Shell Script Debug Print log issues

Shell Script Debug Print log issue 1. Demand

When we write scripts, sometimes we need to do debugging, so that we can locate the problem, and sometimes when the script goes online, we need to keep the records during the execution of the script. It makes it easier for us to locate problems when things go wrong.

2. Print script execution record to log file 2.1 script content as following script implementation

[Email protected]@@@]# VI cat_test.sh

#!/bin/bash

# # # #使用shell脚本的调试功能 to print the contents of the script execution to the log file

Set-x-V

EXEC 1>./test.log 2>&1

Who |wc–l

2.2 Log file contents

[Email protected]@@@]# cat Test.log

+ Who

+ wc-l

2

Shell Script Debug Print log issues