From bcf3c95bd2a1ab8876c6527b6eca3ad08eff3e1d Mon Sep 17 00:00:00 2001
From: OBATA Akio <obache@outlook.com>
Date: Tue, 17 Oct 2023 15:48:42 +0900
Subject: [PATCH] cyr_cd.sh: change to POSIX sh style

`function` keyword is not required to declare functions.
Additionally, prevent to overwrite global scope variables.

Signed-off-by: OBATA Akio <obache@outlook.com>
---
 imap/cyr_cd.sh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/imap/cyr_cd.sh b/imap/cyr_cd.sh
index 9fdfbb56ac..0eebeff47d 100644
--- a/imap/cyr_cd.sh
+++ b/imap/cyr_cd.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # cyr_cd -- Shell script to change directory within a mailbox spool
 #
@@ -44,10 +44,10 @@
 
 # This script should be sourced from the command line or from within .bashrc
 
-function cyr_cd() {
-    path=`mbpath $@`
-    if test ${#path} -ne 0
+cyr_cd() {
+    set -- `mbpath $@`
+    if test $# -ne 0
     then
-        cd $path
+        cd "$@"
     fi
 }