From 707c13c6b62d92a14930ae9915e9f804e8358141 Mon Sep 17 00:00:00 2001
From: Aborn Jiang <loveaborn@foxmail.com>
Date: Tue, 23 Feb 2021 20:34:32 +0800
Subject: [PATCH] commit by magit in emacs@2021-02-23 20:34:32

---
 shell/shell-freq.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/shell/shell-freq.sh b/shell/shell-freq.sh
index 5d25546..3738a47 100644
--- a/shell/shell-freq.sh
+++ b/shell/shell-freq.sh
@@ -27,6 +27,11 @@ else
     rm -rf /data/filename
 fi
 
+# 循环判断pid是否还活着
+while kill -0 $PID; do
+    sleep 1
+done
+
 # 常见的判断
 # -e filename  如果 filename存在，则为真  [ -e /var/log/syslog ]
 # -d filename  如果 filename为目录，则为真  [ -d /tmp/mydir ]