nnn/plugins/renamer

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#!/usr/bin/env sh
# Description: Batch rename selection or current directory with qmv or vidir
#
# Notes:
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# - Try to mimic current batch rename functionality but with correct
# handling of edge cases by qmv or vidir.
# - Qmv opens with hidden files if no selection is used. Selected
# directories are shown.
# - Vidir don't show directories nor hidden files.
#
# Shell: POSIX compliant
# Author: José Neder
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selection=${NNN_SEL:-${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection}
if type qmv >/dev/null 2>&1; then
batchrenamesel="qmv -fdo -da"
batchrename="qmv -fdo -a"
elif type vidir >/dev/null 2>&1; then
batchrenamesel="vidir"
batchrename="vidir"
else
printf "there is not batchrename program installed."
exit
fi
if [ -s "$selection" ]; then
printf "rename selection? "
read -r resp
fi
if [ "$resp" = "y" ]; then
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# -o flag is necessary for interactive editors
xargs -o -0 $batchrenamesel < "$selection"
# Clear selection
if [ -p "$NNN_PIPE" ]; then
printf "-" > "$NNN_PIPE"
fi
elif [ ! "$(LC_ALL=C ls -a)" = ".
.." ]; then
# On older systems that don't have ls -A
$batchrename
fi