From 1633233c9d8df7d5e4c53c078addcbfced017ae1 Mon Sep 17 00:00:00 2001
From: Mahdi Nayef <mhdna@outlook.com>
Date: Sat, 27 May 2023 01:08:43 +0300
Subject: [PATCH] bulkrename using built-ins instead of using a completely
 separate program (#1330)

* bulkrename using bult-ins instead of using a completely separate program

* Make it more efficient
---
 .config/lf/lfrc | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/.config/lf/lfrc b/.config/lf/lfrc
index d1c9402..25fb3d1 100644
--- a/.config/lf/lfrc
+++ b/.config/lf/lfrc
@@ -93,7 +93,27 @@ cmd copyto ${{
 }}
 
 cmd setbg "$1"
-cmd bulkrename $vidir
+
+cmd bulkrename ${{
+    tmpfile_old="$(mktemp)"
+    tmpfile_new="$(mktemp)"
+
+    [ -n "$fs" ] && fs=$(basename -a $fs) || fs=$(ls)
+
+    echo "$fs" > "$tmpfile_old"
+    echo "$fs" > "$tmpfile_new"
+    $EDITOR "$tmpfile_new"
+
+    [ "$(wc -l < "$tmpfile_old")" -eq "$(wc -l < "$tmpfile_new")" ] || { rm -f "$tmpfile_old" "$tmpfile_new"; exit 1; }
+
+    paste "$tmpfile_old" "$tmpfile_new" | while IFS="$(printf '\t')" read -r src dst
+    do
+        [ "$src" = "$dst" ] || [ -e "$dst" ] || mv -- "$src" "$dst"
+    done
+
+    rm -f "$tmpfile_old" "$tmpfile_new"
+    lf -remote "send $id unselect"
+}}
 
 # Bindings
 map <c-f> $lf -remote "send $id select \"$(fzf)\""