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I see. I was thinking of using an if else statement to check whether if there is an argument for the command or not. If there is an argument, then the command would use that argument, which is the...

This worked perfectly, thank you.

---------- Post updated 03-25-14 at 11:16 AM ---------- Previous update was 03-24-14 at 10:03 PM ----------



Hello, sorry, but actually, what is this line...

Hmm, so [: punct:] would be a good place to start with?

Just started learning Unix and received my first assignment recently. We haven't learned many commands and honestly, I'm stumped. I'd like to receive assistance/guidance/hints.

1. The problem...

If I understand correctly, the < file at the end is feeding the file into the script, right? But right now I'm trying to do it in a way so that its like:

./test.sh FILENAME #file input

and
...

That kinda worked. However, when I tried using a test case with a tab or with more than one space included, it stopped working.

Input:

This <SP> is <TAB> <SP> a <SP> <SP> <SP> line.

and it...

Hello, I am a beginner in Unix and I'm learning how to program by myself.

I am trying to create a shell script that is able to take in either a file containing input or by standard input, and...