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61 lines
1.2 KiB
Fish
61 lines
1.2 KiB
Fish
function __bak_help
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echo -e \
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"Usage:
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$argv[1] SOURCE..."
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end
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function __bak_parse_help
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if [ (count $argv) -lt 3 ]
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__bak_help $argv[1]
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else
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return 1
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end
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end
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function __bak_name
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# trim / for directories
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set file (echo $argv[1] | sed 's/\/*$//')
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echo "$file."(date +'%Y%m%d_%H%M%S')".bak"
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end
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function __bak
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__bak_parse_help $argv
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or begin
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set program $argv[2]
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for file in $argv[3..-1]
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eval $program $file (__bak_name $file)
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end
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end
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end
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set -g __bak_re '(.*)\.[0-9]{8,8}_[0-9]{6,6}\.bak\/*$'
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function __is_bak
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set file $argv[1]
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echo "$file" | grep -Eq $__bak_re
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end
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function __bak_normalized
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set file $argv[1]
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echo "$file" | sed -E "s/$__bak_re/\1/g"
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end
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function __unbak
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__bak_parse_help $argv
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or begin
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set program $argv[2]
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for file in $argv[3..-1]
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set normalized (__bak_normalized $file)
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if test ! -e $file
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echo "File \"$file\" not exists! Cannot unbak \"$file\"."
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else if not __is_bak $file
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echo "File \"$file\" don't meet bak files convention! Cannot unbak \"$file\"."
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else if test -e $normalized
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echo "File \"$normalized\" exists! Cannot unbak \"$file\"."
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else
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eval $program $file $normalized
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end
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end
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end
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end
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