patch 8.2.4253: using freed memory when substitute with function call Commit: https://github.com/vim/vim/commit/37f47958b8a2a44abc60614271d9537e7f14e51a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 29 14:21:51 2022 +0000 patch 8.2.4253: using freed memory when substitute with function call Problem: Using freed memory when substitute uses a recursive function call. Solution: Make a copy of the substitute text.

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done