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14 lines
195 B
Plaintext
14 lines
195 B
Plaintext
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#!/usr/bin/env bash
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_buffer() {
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[[ -n "$1" ]] && return 1
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"${FUNCNAME[1]}" "$(</dev/stdin)"
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}
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rot13(){
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_buffer "$@" && return $?
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tr '[A-Za-z]' '[N-ZA-Mn-za-m]' <<< "$*"
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}
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rot13 "$*"
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