43 lines
1.2 KiB
Bash
Executable File
43 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# Copyright Cédric Picard 2014 -- License WTFPL
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# Inspired by Ranger's -- See https://github.com/hut/ranger
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set -e -u
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if [ $# -ne 0 ] ; then
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{ for i in "$@" ; do printf "%s\n" "$i" ; done } | "$0"
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exit $?
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fi
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EDITOR="${EDITOR:-vi}"
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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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|| { echo 'Interactive terminal needed' >&2 ; exit 1; }
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"$EDITOR" "${namebase}.2"
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sed -i -- '1d' "${namebase}.2"
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if [ $(wc -l < "${namebase}.1") -ne $(wc -l < "${namebase}.2") ] ; then
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rm -r -- "$(dirname -- "${namebase}")"
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echo "Wrong number of lines" >&2 ; exit 1
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fi
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(echo '# Please review/modify this script or empty it to do nothing' \
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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/^.*$/"&"/' \
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| xargs -d"\n" -L2 echo 'mv -i --') \
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> "${namebase}.sh"
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if [ "$(wc -c < "${namebase}.sh")" -ne 0 ] ; then
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"$EDITOR" -- "${namebase}.sh"
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sh -e -- "${namebase}.sh"
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fi
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rm -r -- "$(dirname "${namebase}")"
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