nnn/plugins/fixname

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#!/usr/bin/env bash
# Description: Clean filename or dirname (either hovered or selections)
# to be more shell-friendly. This script cleans
# non A-Za-z0-9._- characters.
# and replaces it with underscore (_).
#
# It supports cleaning single/double quote, newline,
# leading, trailing spaces.
#
# eg.
# to be continued (つづく).mp4 -> to_be_continued______.mp4
# [work] stuff.txt -> _work__stuff.txt
# home's server -> home_s_server
# qwe\trty -> __qwe_rty
#
# And if there are two almost similar filenames
# like: 'asd]f' and 'asd f' both will be renamed to 'asd_f',
# to avoid overwriting, the last file will be prepended by _.
# So they will be: 'asd_f' and '_asd_f'
#
# Dependencies: sed
#
# Shell: Bash
# Author: Benawi Adha
prompt=true
sel=${NNN_SEL:-${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection}
cleanup() {
# printf "%s" "$1" | sed -e 's/[^A-Za-z0-9._-]/_/g'
printf "%s" "$1" | sed 's/[^A-Za-z0-9._-]/_/g' | sed ':a;N;$!ba;s/\n/_/g'
}
if [ -s "$sel" ]; then
targets=()
while IFS= read -r -d '' i || [ -n "$i" ]; do
targets+=( "$(basename "$i")" )
done < "$sel"
else
targets=("$1")
fi
for i in "${targets[@]}"; do
printf "%s -> %s\n" "$i" "$(cleanup "$i")";
done
if $prompt; then
echo
printf "Proceed [Yn]? "
read -r input
case "$input" in
y|Y|'')
;;
*)
echo "Canceled"
exit
;;
esac
fi
for i in "${targets[@]}"; do
if [ "$i" != "$(cleanup "$i")" ]; then
tmp=''
if [ -e "$(cleanup "$i")" ]; then
tmp='_'
fi
mv -- "$i" "$tmp$(cleanup "$i")";
fi
done
# Clear selection
if [ -s "$sel" ] && [ -p "$NNN_PIPE" ]; then
printf "-" > "$NNN_PIPE"
fi