I‘m using Debian Linux as my development workstation. I would like to search a directory called ~/projects/ recursively for “foo” word only for *.txt files. How do I search all text files in ~/projects/ for “foo” word using grep command?
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?
How do I append additional text a variable? For e.g., I’ve a vech set as follows:
I’d like to add (append) “Bus” word to $vevh under UNIX scripting using bash?