shell script追蹤和調試

標籤：調試   shell   linux   

1. shell script調試
使用sh命令，檢查shell的文法，追蹤執行步驟。sh [-nvx] script.sh-n : 不執行script，僅檢查是否有文法問題-v : 執行前將script列印出來-x : 將使用到的script列印出來
2. 檢查語法錯誤
使用sh -n, 如果有語法錯誤，會提示出來。

[[email protected] sh]$ sh -n for.sh for.sh: line 7: syntax error near unexpected token `o'for.sh: line 7: `o'[[email protected] sh]$ 

3. shell調試列印

[[email protected] sh]$ sh -v for.sh #!/bin/bash# desc : for loopfor animal in dog cat pig do    echo "HI, ${animal}"doneHI, dogHI, catHI, pigexit;[[email protected] sh]$

[[email protected] sh]$ sh -x for.sh + for animal in dog cat pig+ echo 'HI, dog'HI, dog+ for animal in dog cat pig+ echo 'HI, cat'HI, cat+ for animal in dog cat pig+ echo 'HI, pig'HI, pig+ exit[[email protected] sh]$

地址 ：http://blog.csdn.net/yonggang7/article/details/40680369

shell script追蹤和調試