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POSIX and Portability | shell scripts | grep -s, grep -q
I am all in for portability in regards to shell scripts.
But I am unsure if I am overdoing it right now.
In this example, we have a function called confirmation, which accepts the very first ...
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Test if command accepts a specific option
What is the preferred way to test if a command takes an option? What are the caveats?
As a motivating example, at login my shell aliases grep to add several --exclude-dir options but this option is ...
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