patch 8.2.4305: tex filetype detection fails Commit: https://github.com/vim/vim/commit/e5b7897585eccec84431d8b23df5cde2e283828c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 5 19:50:34 2022 +0000 patch 8.2.4305: tex filetype detection fails Problem: Tex filetype detection fails. Solution: Check value to be positive. (closes https://github.com/vim/vim/issues/9704)

#! /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