mirror of
https://github.com/sharkdp/bat
synced 2024-11-18 15:26:16 +00:00
512 lines
10 KiB
Bash
512 lines
10 KiB
Bash
#!/usr/bin/env bash
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# -----------------------------------------------------------------------------
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# bat-extras | Copyright (C) 2020 eth-p and contributors | MIT License
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#
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# Repository: https://github.com/eth-p/bat-extras
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# Issues: https://github.com/eth-p/bat-extras/issues
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# -----------------------------------------------------------------------------
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printc(){
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printf "$(sed "$_PRINTC_PATTERN" <<<"$1")" "${@:2}"
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}
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printc_init(){
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case "$1" in
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true)_PRINTC_PATTERN="$_PRINTC_PATTERN_ANSI";;
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false)_PRINTC_PATTERN="$_PRINTC_PATTERN_PLAIN";;
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"[DEFINE]"){
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_PRINTC_PATTERN_ANSI=""
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_PRINTC_PATTERN_PLAIN=""
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local name
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local ansi
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while read -r name ansi;do
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if [[ -z $name && -z $ansi ]]||[[ ${name:0:1} == "#" ]];then
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continue
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fi
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ansi="${ansi/\\/\\\\}"
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_PRINTC_PATTERN_PLAIN="${_PRINTC_PATTERN_PLAIN}s/%{$name}//g;"
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_PRINTC_PATTERN_ANSI="${_PRINTC_PATTERN_ANSI}s/%{$name}/$ansi/g;"
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done
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if [ -t 1 ];then
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_PRINTC_PATTERN="$_PRINTC_PATTERN_ANSI"
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else
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_PRINTC_PATTERN="$_PRINTC_PATTERN_PLAIN"
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fi
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}
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esac
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}
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print_warning(){
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printc "%{YELLOW}[%s warning]%{CLEAR}: $1%{CLEAR}\n" "batgrep" "${@:2}" 1>&2
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}
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print_error(){
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printc "%{RED}[%s error]%{CLEAR}: $1%{CLEAR}\n" "batgrep" "${@:2}" 1>&2
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}
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printc_init "[DEFINE]" <<END
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CLEAR \x1B[0m
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RED \x1B[31m
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GREEN \x1B[32m
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YELLOW \x1B[33m
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BLUE \x1B[34m
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MAGENTA \x1B[35m
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CYAN \x1B[36m
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DEFAULT \x1B[39m
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DIM \x1B[2m
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END
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is_pager_less(){
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[[ "$(pager_name)" == "less" ]]
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return $?
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}
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is_pager_disabled(){
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[[ -z "$(pager_name)" ]]
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return $?
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}
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pager_name(){
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_detect_pager 1>&2
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echo "$_SCRIPT_PAGER_NAME"
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}
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pager_version(){
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_detect_pager 1>&2
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echo "$_SCRIPT_PAGER_VERSION"
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}
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pager_exec(){
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if [[ -n $SCRIPT_PAGER_CMD ]];then
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"$@"|pager_display
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return $?
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else
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"$@"
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return $?
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fi
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}
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pager_display(){
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if [[ -n $SCRIPT_PAGER_CMD ]];then
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if [[ -n $SCRIPT_PAGER_ARGS ]];then
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"${SCRIPT_PAGER_CMD[@]}" "${SCRIPT_PAGER_ARGS[@]}"
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return $?
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else
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"${SCRIPT_PAGER_CMD[@]}"
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return $?
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fi
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else
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cat
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return $?
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fi
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}
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_detect_pager(){
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if [[ $_SCRIPT_PAGER_DETECTED == "true" ]];then return;fi
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_SCRIPT_PAGER_DETECTED=true
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if [[ -z ${SCRIPT_PAGER_CMD[0]} ]];then
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_SCRIPT_PAGER_VERSION=0
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_SCRIPT_PAGER_NAME=""
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return
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fi
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local output
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local output1
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output="$("${SCRIPT_PAGER_CMD[0]}" --version 2>&1)"
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output1="$(head -n 1 <<<"$output")"
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if [[ $output1 =~ ^less[[:blank:]]([[:digit:]]+) ]];then
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_SCRIPT_PAGER_VERSION="${BASH_REMATCH[1]}"
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_SCRIPT_PAGER_NAME="less"
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else
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_SCRIPT_PAGER_VERSION=0
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_SCRIPT_PAGER_NAME="$(basename "${SCRIPT_PAGER_CMD[0]}")"
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fi
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}
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_configure_pager(){
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SCRIPT_PAGER_CMD=($PAGER)
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SCRIPT_PAGER_ARGS=()
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if [[ -n ${BAT_PAGER+x} ]];then
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SCRIPT_PAGER_CMD=($BAT_PAGER)
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SCRIPT_PAGER_ARGS=()
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return
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fi
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if is_pager_less;then
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SCRIPT_PAGER_CMD=("${SCRIPT_PAGER_CMD[0]}" -R --quit-if-one-screen)
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if [[ "$(pager_version)" -lt 500 ]];then
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SCRIPT_PAGER_CMD+=(--no-init)
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fi
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fi
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}
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if [[ -t 1 ]];then
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_configure_pager
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else
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SCRIPT_PAGER_CMD=()
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SCRIPT_PAGER_ARGS=()
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fi
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SHIFTOPT_HOOKS=()
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setargs(){
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_ARGV=("$@")
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_ARGV_LAST="$((${#_ARGV[@]}-1))"
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_ARGV_INDEX=0
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}
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shiftopt(){
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[[ $_ARGV_INDEX -gt $_ARGV_LAST ]]&&return 1
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OPT="${_ARGV[$_ARGV_INDEX]}"
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unset OPT_VAL
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if [[ $OPT =~ ^--[a-zA-Z0-9_-]+=.* ]];then
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OPT_VAL="${OPT#*=}"
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OPT="${OPT%%=*}"
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fi
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((_ARGV_INDEX++))
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local hook
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for hook in "${SHIFTOPT_HOOKS[@]}";do
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if "$hook";then
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shiftopt
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return $?
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fi
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done
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return 0
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}
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shiftval(){
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if [[ -n ${OPT_VAL+x} ]];then
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return 0
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fi
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if [[ $OPT =~ ^-[[:alpha:]][[:digit:]]{1,}$ ]];then
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OPT_VAL="${OPT:2}"
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return
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fi
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OPT_VAL="${_ARGV[$_ARGV_INDEX]}"
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((_ARGV_INDEX++))
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if [[ $OPT_VAL =~ -.* ]];then
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printc "%{RED}%s: '%s' requires a value%{CLEAR}\n" "batgrep" "$ARG"
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exit 1
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fi
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}
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setargs "$@"
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hook_color(){
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SHIFTOPT_HOOKS+=("__shiftopt_hook__color")
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__shiftopt_hook__color(){
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case "$OPT" in
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--no-color)OPT_COLOR=false;;
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--color){
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case "$OPT_VAL" in
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"")OPT_COLOR=true;;
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always|true)OPT_COLOR=true;;
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never|false)OPT_COLOR=false;;
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auto)return 0;;
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*)printc "%{RED}%s: '--color' expects value of 'auto', 'always', or 'never'%{CLEAR}\n" "batgrep"
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exit 1
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esac
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};;
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*)return 1
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esac
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printc_init "$OPT_COLOR"
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return 0
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}
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if [[ -z $OPT_COLOR ]];then
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if [[ -t 1 ]];then
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OPT_COLOR=true
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else
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OPT_COLOR=false
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fi
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printc_init "$OPT_COLOR"
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fi
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}
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hook_pager(){
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SHIFTOPT_HOOKS+=("__shiftopt_hook__pager")
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__shiftopt_hook__pager(){
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case "$OPT" in
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\
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--no-pager)shiftval
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SCRIPT_PAGER_CMD=''
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;;
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--paging){
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shiftval
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case "$OPT_VAL" in
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auto):;;
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always):;;
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never)SCRIPT_PAGER_CMD='';;
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*)printc "%{RED}%s: '--paging' expects value of 'auto', 'always', or 'never'%{CLEAR}\n" "batgrep"
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exit 1
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esac
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};;
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\
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--pager){
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shiftval
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{
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SCRIPT_PAGER_CMD=($OPT_VAL)
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PAGER_ARGS=()
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}
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};;
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*)return 1
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esac
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}
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}
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hook_version(){
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SHIFTOPT_HOOKS+=("__shiftopt_hook__version")
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__shiftopt_hook__version(){
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if [[ $OPT == "--version" ]];then
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printf "%s %s\n\n%s\n%s\n" \
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"batgrep" \
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"2020.10.04" \
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"Copyright (C) 2019-2020 eth-p | MIT License" \
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"https://github.com/eth-p/bat-extras"
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exit 0
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fi
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return 1
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}
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}
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term_width(){
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local width="$({ stty size 2>/dev/null||echo "22 80";}|cut -d ' ' -f2)"
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if [[ $width -ne 0 ]];then
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echo "$width"
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else
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echo "80"
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fi
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return 0
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}
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hook_width(){
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SHIFTOPT_HOOKS+=("__shiftopt_hook__width")
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__shiftopt_hook__width(){
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case "$OPT" in
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--terminal-width)shiftval
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OPT_TERMINAL_WIDTH="$OPT_VAL"
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;;
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*)return 1
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esac
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return 0
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}
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OPT_TERMINAL_WIDTH="$(term_width)"
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}
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bat_version(){
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"bat" --version|cut -d ' ' -f 2
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return
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}
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version_compare(){
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local version="$1"
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local compare="$3"
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if ! [[ $version =~ \.$ ]];then
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version="$version."
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fi
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if ! [[ $compare =~ \.$ ]];then
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compare="$compare."
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fi
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version_compare__recurse "$version" "$2" "$compare"
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return $?
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}
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version_compare__recurse(){
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local version="$1"
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local operator="$2"
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local compare="$3"
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local v_major="${version%%.*}"
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local c_major="${compare%%.*}"
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local v_minor="${version#*.}"
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local c_minor="${compare#*.}"
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if [[ -z $v_minor && -z $c_minor ]];then
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[ "$v_major" $operator "$c_major" ]
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return $?
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fi
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if [[ -z $v_minor ]];then
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v_minor="0."
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fi
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if [[ -z $c_minor ]];then
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c_minor="0."
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fi
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case "$operator" in
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-eq)[[ $v_major -ne $c_major ]]&&return 1;;
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-ne)[[ $v_major -ne $c_major ]]&&return 0;;
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-ge|-gt)[[ $v_major -lt $c_major ]]&&return 1
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[[ $v_major -gt $c_major ]]&&return 0
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;;
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-le|-lt)[[ $v_major -gt $c_major ]]&&return 1
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[[ $v_major -lt $c_major ]]&&return 0
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esac
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version_compare__recurse "$v_minor" "$operator" "$c_minor"
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}
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hook_color
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hook_pager
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hook_version
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hook_width
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RG_ARGS=()
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BAT_ARGS=()
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PATTERN=""
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FILES=()
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OPT_CASE_SENSITIVITY=''
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OPT_CONTEXT_BEFORE=2
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OPT_CONTEXT_AFTER=2
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OPT_FOLLOW=true
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OPT_SNIP=""
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OPT_HIGHLIGHT=true
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OPT_SEARCH_PATTERN=false
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OPT_FIXED_STRINGS=false
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BAT_STYLE="header,numbers"
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if version_compare "$(bat_version)" -gt "0.12";then
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OPT_SNIP=",snip"
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fi
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if [[ -n $RIPGREP_CONFIG_PATH && -e $RIPGREP_CONFIG_PATH ]];then
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for arg in $(cat "$RIPGREP_CONFIG_PATH");do
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case "$arg" in
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--context=*)val="${arg:10}"
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OPT_CONTEXT_BEFORE="$val"
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OPT_CONTEXT_AFTER="$val"
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;;
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--before-context=*)val="${arg:17}"
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OPT_CONTEXT_BEFORE="$val"
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;;
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--after-context=*)val="${arg:16}"
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OPT_CONTEXT_AFTER="$val"
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;;
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-C*)val="${arg:2}"
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OPT_CONTEXT_BEFORE="$val"
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OPT_CONTEXT_AFTER="$val"
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;;
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-B*)val="${arg:2}"
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OPT_CONTEXT_BEFORE="$val"
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;;
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-A*)val="${arg:2}"
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OPT_CONTEXT_AFTER="$val"
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esac
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done
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fi
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while shiftopt;do
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case "$OPT" in
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\
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-i|--ignore-case)OPT_CASE_SENSITIVITY="--ignore-case";;
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-s|--case-sensitive)OPT_CASE_SENSITIVITY="--case-sensitive";;
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-S|--smart-case)OPT_CASE_SENSITIVITY="--smart-case";;
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-A*|--after-context)shiftval
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OPT_CONTEXT_AFTER="$OPT_VAL"
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;;
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-B*|--before-context)shiftval
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OPT_CONTEXT_BEFORE="$OPT_VAL"
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;;
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-C*|--context)shiftval
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OPT_CONTEXT_BEFORE="$OPT_VAL"
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OPT_CONTEXT_AFTER="$OPT_VAL"
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;;
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-F|--fixed-strings)OPT_FIXED_STRINGS=true
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RG_ARGS+=("$OPT")
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;;
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-U|--multiline|\
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-P|--pcre2|\
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-z|--search-zip|\
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-w|--word-regexp|\
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--one-file-system|\
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--multiline-dotall|\
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--ignore|--no-ignore|\
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--crlf|--no-crlf|\
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--hidden|--no-hidden)RG_ARGS+=("$OPT")
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;;
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-E|--encoding|\
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-g|--glob|\
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-t|--type|\
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-T|--type-not|\
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-m|--max-count|\
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--max-depth|\
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--iglob|\
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--ignore-file)shiftval
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RG_ARGS+=("$OPT" "$OPT_VAL")
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;;
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\
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\
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\
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--no-follow)OPT_FOLLOW=false;;
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--no-snip)OPT_SNIP="";;
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--no-highlight)OPT_HIGHLIGHT=false;;
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-p|--search-pattern)OPT_SEARCH_PATTERN=true;;
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--no-search-pattern)OPT_SEARCH_PATTERN=false;;
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\
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--rg:*){
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if [[ ${OPT:5:1} == "-" ]];then
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RG_ARGS+=("${OPT:5}")
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else
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RG_ARGS+=("--${OPT:5}")
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fi
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if [[ -n $OPT_VAL ]];then
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RG_ARGS+=("$OPT_VAL")
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fi
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};;
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\
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-*){
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printc "%{RED}%s: unknown option '%s'%{CLEAR}\n" "batgrep" "$OPT" 1>&2
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exit 1
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};;
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\
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*){
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if [ -z "$PATTERN" ];then
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PATTERN="$OPT"
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else
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FILES+=("$OPT")
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fi
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}
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esac
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done
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if [[ -z $PATTERN ]];then
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print_error "no pattern provided"
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exit 1
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fi
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SEP="$(printc "%{DIM}%${OPT_TERMINAL_WIDTH}s%{CLEAR}"|sed "s/ /─/g")"
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if [[ -n $OPT_CASE_SENSITIVITY ]];then
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RG_ARGS+=("$OPT_CASE_SENSITIVITY")
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fi
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if "$OPT_FOLLOW";then
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RG_ARGS+=("--follow")
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fi
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if "$OPT_COLOR";then
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BAT_ARGS+=("--color=always")
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else
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BAT_ARGS+=("--color=never")
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fi
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if [[ $OPT_CONTEXT_BEFORE -eq 0 && $OPT_CONTEXT_AFTER -eq 0 ]];then
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OPT_SNIP=""
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OPT_HIGHLIGHT=false
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fi
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if "$OPT_SEARCH_PATTERN";then
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if is_pager_less;then
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if "$OPT_FIXED_STRINGS";then
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SCRIPT_PAGER_ARGS+=(-p $'\x12'"$PATTERN")
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else
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SCRIPT_PAGER_ARGS+=(-p "$PATTERN")
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fi
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elif is_pager_disabled;then
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print_error "%s %s %s" \
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"The -p/--search-pattern option requires a pager, but" \
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'the pager was explicitly disabled by $BAT_PAGER or the' \
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"--paging option."
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exit 1
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else
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print_error "Unsupported pager '%s' for option -p/--search-pattern" \
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"$(pager_name)"
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exit 1
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fi
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fi
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main(){
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FOUND_FILES=()
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FOUND=0
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FIRST_PRINT=true
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LAST_LR=()
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LAST_LH=()
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LAST_FILE=''
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do_print(){
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[[ -z $LAST_FILE ]]&&return 0
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"$FIRST_PRINT"&&echo "$SEP"
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FIRST_PRINT=false
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"bat" "${BAT_ARGS[@]}" \
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"${LAST_LR[@]}" \
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"${LAST_LH[@]}" \
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--style="$BAT_STYLE$OPT_SNIP" \
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--paging=never \
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--terminal-width="$OPT_TERMINAL_WIDTH" \
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"$LAST_FILE"
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echo "$SEP"
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}
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while IFS=':' read -r file line column text;do
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((FOUND++))
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if [[ $LAST_FILE != "$file" ]];then
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do_print
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LAST_FILE="$file"
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LAST_LR=()
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LAST_LH=()
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fi
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line_start=$((line-OPT_CONTEXT_BEFORE))
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line_end=$((line+OPT_CONTEXT_AFTER))
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[[ $line_start -gt 0 ]]||line_start=''
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LAST_LR+=("--line-range=$line_start:$line_end")
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[[ $OPT_HIGHLIGHT == "true" ]]&&LAST_LH+=("--highlight-line=$line")
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done < <(rg --with-filename --vimgrep "${RG_ARGS[@]}" --context=0 --no-context-separator --sort path "$PATTERN" "${FILES[@]}")
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do_print
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if [[ $FOUND -eq 0 ]];then
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exit 2
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fi
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}
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pager_exec main
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exit $?
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