From 0b848fac27fe1bc48f08c0fc3519c16851c9988d Mon Sep 17 00:00:00 2001
From: xdavidwu <xdavidwuph@gmail.com>
Date: Thu, 21 Oct 2021 05:33:50 +0000
Subject: [PATCH] bash: set PCMD only if /proc available

---
 .bashrc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.bashrc b/.bashrc
index 6fbecbb..cb23e73 100644
--- a/.bashrc
+++ b/.bashrc
@@ -170,7 +170,7 @@ case "$TERM" in
 		;;
 esac
 # bash complains if $() faces null
-PCMD=$(tr -d '\000' < /proc/$PPID/cmdline)
+[ -f "/proc/$PPID/cmdline" ] && PCMD=$(tr -d '\000' < /proc/$PPID/cmdline)
 [ -z "$PTERM" ] && INITLVL=1
 PTERM=${PTERM:-$TERM/}
 case "$PCMD" in
-- 
2.45.2