--- /dev/null
+#!/usr/bin/env sh
+
+# Description: An almost fully POSIX compliant batch file renamer
+#
+# Shell: POSIX compliant
+# Author: KlzXS
+
+EDITOR="${EDITOR:-vi}"
+TMPDIR="${TMPDIR:-/tmp}"
+INCLUDE_HIDDEN="${INCLUDE_HIDDEN:-0}"
+
+selection=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection
+exit_status=0
+
+dst_file=$(mktemp "$TMPDIR/.nnnXXXXXX")
+
+if [ -s "$selection" ]; then
+ printf "Rename 'c'urrent / 's'election? "
+ read -r resp
+fi
+
+if [ "$resp" = "s" ]; then
+ arr=$(tr '\0' '\n' < "$selection")
+else
+ if [ "$INCLUDE_HIDDEN" -eq 0 ]; then
+ arr=$(find . ! -name . -prune ! -name ".*" -print | sort)
+ else
+ arr=$(find . ! -name . -prune -print | sort)
+ fi
+fi
+
+printf "%s" "$arr" | awk '{print NR " " $0}' > "$dst_file"
+arr=$(printf "%s" "$arr" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/" | tr '\n' ' ')
+
+eval "set -- $arr"
+$EDITOR "$dst_file"
+
+while read -r num name; do
+ if [ -z "$name" ]; then
+ if [ -z "$num" ]; then
+ continue
+ fi
+
+ printf "%s: unable to parse line, aborting\n" "$0"
+ fi
+
+ # check if $num is an integer
+ if [ ! "$num" -eq "$num" ] 2> /dev/null; then
+ printf "%s: unable to parse line, aborting\n" "$0"
+ fi
+
+ src=$(eval printf "%s" "\${$num}")
+
+ if [ -z "$src" ]; then
+ printf "%s: unknown item number %s\n" "$0" "$num" > /dev/stderr
+ continue
+ elif [ "$name" != "$src" ]; then
+ if [ -z "$name" ]; then
+ continue
+ fi
+
+ if [ ! -e "$src" ] && [ ! -L "$src" ]; then
+ printf "%s: %s does not exit\n" "$0" "$src" > /dev/stderr
+
+ c=1
+ new_args=""
+ while [ $c -le $# ]; do
+ tmp=$(eval printf "%s" "\${$c}")
+ if [ "$c" -eq "$num" ]; then
+ new_args="$new_args ''"
+ else
+ if [ -z "$tmp" ]; then
+ tmp="''"
+ else
+ tmp=$(printf %s "$tmp" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
+ fi
+ new_args="$new_args $tmp"
+ fi
+ c=$((c+1))
+ done
+
+ eval "set -- $new_args"
+ continue
+ fi
+
+ # handle swaps
+ if [ -e "$name" ] || [ -L "$name" ]; then
+ tmp="$name~"
+ c=0
+
+ while [ -e "$tmp" ] || [ -L "$tmp" ]; do
+ c=$((c+1))
+ tmp="$tmp~$c"
+ done
+
+ if mv "$name" "$tmp"; then
+ printf "'%s' -> '%s'\n" "$name" "$tmp"
+ else
+ printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
+ exit_status=1
+ fi
+
+ c=1
+ new_args=""
+ while [ $c -le $# ]; do
+ item=$(eval printf "%s" "\${$c}")
+ if [ "$item" = "$name" ]; then
+ item=$(printf %s "$tmp" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
+ new_args="$new_args $item"
+ else
+ if [ -z "$item" ]; then
+ item="''"
+ else
+ item=$(printf %s "$item" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
+ fi
+ new_args="$new_args $item"
+ fi
+ c=$((c+1))
+ done
+
+ eval "set -- $new_args"
+ fi
+
+ dir=$(dirname "$name")
+ if [ ! -d "$dir" ] && ! mkdir -p "$dir"; then
+ printf "%s: failed to create directory tree %s\n" "$0" "$dir" > /dev/stderr
+ exit_status=1
+ elif ! mv "$src" "$name"; then
+ printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
+ exit_status=1
+ else
+ printf "'%s' -> '%s'\n" "$src" "$name"
+ if [ -d "$name" ]; then
+ c=1
+ new_args=""
+ while [ $c -le $# ]; do
+ tmp=$(eval printf "\${$c}")
+ if [ -z "$tmp" ]; then
+ tmp="''"
+ else
+ tmp=$(printf "%s" "$tmp" | sed "s/^$src\(\$\|\/\)/$name\1/;s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
+ fi
+ new_args="$new_args $tmp"
+ c=$((c+1))
+ done
+
+ eval "set -- $new_args"
+ printf "'%s' => '%s'\n" "$src" "$name"
+ fi
+ fi
+ fi
+
+ c=1
+ new_args=""
+ while [ $c -le $# ]; do
+ tmp=$(eval printf "%s" "\${$c}")
+ if [ "$c" -eq "$num" ]; then
+ new_args="$new_args ''"
+ else
+ if [ -z "$tmp" ]; then
+ tmp="''"
+ else
+ tmp=$(printf %s "$tmp" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
+ fi
+ new_args="$new_args $tmp"
+ fi
+ c=$((c+1))
+ done
+
+ eval "set -- $new_args"
+done <"$dst_file"
+
+c=1
+new_args=""
+while [ $c -le $# ]; do
+ tmp=$(eval printf "%s" "\${$c}")
+ if [ -n "$tmp" ]; then
+ rm -ri "$tmp"
+ fi
+ c=$((c+1))
+done
+
+rm "$dst_file"
+exit $exit_status