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options used inside if then else statement in

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if [[ -a $outputFile ]] then rm $outputFile fi In the above code, why do we use double square brackets instead of one. What does option -a do in the above coding?

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Summary: How do i end an if/else statement, in C, in the middle of a program if a variable is incorrect without using a goto statement or another return 0 statement? ...

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Summary: Ola Jimenez, I'm back at the end of a busy day to answer your questions and give you the script to do your job. First of all here the correct version of the code in the previous post as that was writt...