Code for automatic change of unix shells to bash

[ravet]

Hello

i want to write a shell script that can be able to change the shell, i.e. i wrote a code that can run correctly in bash and not in csh, so, i want to add something in the code so that it automatic can change the shell to bash, whatever the current shell is, and after finishing , it automatically reload the previous shell....

thanks

 

[blue_snake]

Re: unix shells

Hi,

use "magic number" #! at the first line of the script, for example

#!/bin/bash

this specify, which shell will be used to execute the script, see:

h**p://www.faqs.org/faqs/unix-faq/faq/part3/section-16.html

blue_snake

 

[louisnells]

Re: unix shells

Hi
You can specify the interpreter (and options) for the script at the beginning of the script as "#<path to the interpreter>".
Eg: #!/bin/bash
#!/bin/sh
#!/usr/bin/perl

 

[gliss]

unix shells

When your shell script exits, no matter which language or interpreter you use, the previous environment is restored. Which means you're are already automatically back to your original shell.