How do I determine if a function called foo() is already defined in a bash script or not? If a function called foo() is defined just call it or show an error message?
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variables
I‘ve set the the TMOUT in the ~/.profile of the user account as well as in /etc/profile file on my UNIX or Linux servers. How do I unset the TMOUT variable? How to unset TMOUT temporarily under UNIX like operating systems?
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How do I create a shell script function using Bash under UNIX / Linux operating systems?
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Q. I’m using BASH shell filename tab completion feature to complete file names and other stuff. However default tab-completion in bash case-sensitive. It cannot show me /tmp/Y* or /tmp/Y* files. How do I force filename tab-completion in bash case insensitive? A. According to bash man page completion-ignore-case set to Off. If set to On, readline [...]
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