48 lines
1.1 KiB
Bash
48 lines
1.1 KiB
Bash
#!/bin/sh
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set -e -u
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end(){
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rm -r -- "$(dirname -- "$namebase")"
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[ $# -ne 0 ] && echo $@ >&2
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exit $#
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}
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if [ $# -ne 0 ] ; then
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for i in "$@" ; do
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printf "%s\n" "$i"
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done | "$0"
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exit $?
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fi
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namebase="$(mktemp -d)/blkrn"
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echo '# Modify filenames without removing any line, quitting aborts' \
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> "$namebase.2"
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tee -- "$namebase.1" >> "$namebase.2"
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exec </dev/tty >/dev/tty ||
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end 'Interactive terminal needed'
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"$EDITOR" -- "$namebase.2"
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sed -i -- '1d' "$namebase.2"
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! diff -- "$namebase.1" "$namebase.2" &> /dev/null || end "no changes"
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[ `wc -l < "$namebase.1"` -eq `wc -l < "$namebase.2"` ] || end "Wrong number of lines"
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{
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echo '# Please review/modify this script or empty it to do nothing'
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echo 'run(){'
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echo ' mkdir -p "$(dirname "$2")"'
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echo ' mv -T -- "$1" "$2"'
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echo '}'
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while read -r l1 <&3 && read -r l2 <&4; do
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[ "$l1" = "$l2" ] || printf "%s\n%s\n" "$l1" "$l2"
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done 3<"$namebase.1" 4<"$namebase.2" |
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sed 's/\([\\"$`]\)/\\\1/g;s/^.*$/"&"/' |
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xargs -d"\n" -L2 echo 'run'
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} > "$namebase.sh"
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"$EDITOR" -- "$namebase.sh"
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sh -e -- "$namebase.sh"
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end # exit normaly
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