From 1174c16b5d088919f4701d5ef12c3daa373b8338 Mon Sep 17 00:00:00 2001
From: Andre Ramnitz <tux.rising@gmail.com>
Date: Mon, 8 Jan 2024 22:44:20 +0100
Subject: [PATCH] lf: add bulk-rename function

from this fine dude:
https://github.com/gokcehan/lf/issues/149#issuecomment-470960434
---
 config/lf/lfrc | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/config/lf/lfrc b/config/lf/lfrc
index 4a5ae92b..a376cd80 100644
--- a/config/lf/lfrc
+++ b/config/lf/lfrc
@@ -78,6 +78,35 @@ cmd zip ${{
     rm -rf $1
 }}
 
+# add bulk-renaming of files
+cmd bulk-rename ${{
+	index=$(mktemp /tmp/lf-bulk-rename-index.XXXXXXXXXX)
+	if [ -n "${fs}" ]; then
+		echo "$fs" > $index
+	else
+		echo "$(ls "$(dirname $f)" | tr ' ' "\n")" > $index
+	fi
+	index_edit=$(mktemp /tmp/lf-bulk-rename.XXXXXXXXXX)
+	cat $index > $index_edit
+	$EDITOR $index_edit
+	if [ $(cat $index | wc -l) -eq $(cat $index_edit | wc -l) ]; then
+		max=$(($(cat $index | wc -l)+1))
+		counter=1
+		while [ $counter -le $max ]; do
+			a="$(cat $index | sed "${counter}q;d")"
+			b="$(cat $index_edit | sed "${counter}q;d")"
+			counter=$(($counter+1))
+			
+			[ "$a" = "$b" ] && continue
+			[ -e "$b" ] && echo "File exists: $b" && continue
+			mv "$a" "$b"
+		done
+	else
+		echo "Number of lines must stay the same"
+	fi
+	rm $index $index_edit
+}}
+
 cmd on-select &{{
     lf -remote "send $id set statfmt \"$(eza -ld --color=always "$f")\""
 }}
-- 
2.51.2