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Which shell is running my script?

Comment:

Hi, I'm trying to find out from within a script which shell is running it, so I can take some decisions based on that. If it's ksh, bash or something else. The $SHELL variable stores the default user shell, not the current one, and "echo $0" is good only from the command prompt. Advices much appreciated.

Name: nails
Date: September 19, 2007 at 09:45:11 Pacific

Reply:

The first tip in this article "Korn Shell Nuances" might be helpful: http://www.samag.com/documents/s=10...

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Name: fpmurphy
Date: September 22, 2007 at 17:16:30 Pacific

Reply:

It really is a bad idea not to write your script to use the POSIX shell. However if you must try and figure out the invoking shell from within your script you can do so as follows ps -h -o "%c" -p $$ The -h option (to hide headers) may be problematic on some systems. An alternative would be: ps - o "%c" -p $$ | tail -1

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