Shell Scripting Development Specification

1) Start specifying the script interpreter

#!/bin/sh; #!/bin/bash

2) opening plus version and copyright information

3) No Chinese comments in script

4) file saved with. sh extension

5) Full-time write-in of paired content to prevent leakage

6) [] have spaces at both ends of the brackets

7) Process Control statements are completed once, then add statements

Hint: You check the script clearly no problem, but is to perform a baffling error, to think of executing the Dos2unix command

Good habit: Each execution of the script is Dos2unix

Shell Debug Script method:

1) Shell debug echo Key command

2) shell Debugging bash parameters

Sh-n filename

Sh-x filename

sh-v filename

Shell Scripting Development Specification