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Old 06-28-2012, 10:42 AM   #1
Registered: Oct 2011
Posts: 54

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insert prompt command

Dear all,

I have a shell script that produces some certain txt files according to the input.txt file I give in. So far, I insert every time the new input.txt filename into the shell, save the script and run it:

awk .... input.txt > output.txt

Is there a way to make the script asking me to write down which input file I would like to use?

Any suggestions, or references, would be highly appreciated!

Have a nice day,

Old 06-28-2012, 11:10 AM   #2
Registered: Jun 2012
Location: Canada
Distribution: Ubuntu/Debian/CentOS
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You can use the read command

echo "what is the name of the input text file?"
read in

awk... $in > output.txt
Old 06-28-2012, 11:22 AM   #3
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You can also pass command line arguments to the script. Look at this. Specifically, you want "4. Introduction to Variables and Parameters", then go to section 4.4 and look for "Positional parameters". The whole guide is good, in general.
1 members found this post helpful.
Old 07-03-2012, 10:20 AM   #4
Registered: Oct 2011
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Thanks to both of you!


Old 07-03-2012, 10:43 AM   #5
David the H.
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Registered: Jun 2004
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It would've helped more if you'd posted the actual script (or at least relevant parts of it). We'd likely be able to give you specific fixes.

BTW, assuming it's a bash script, try adding the "-e" option to read. This will enable all the readline editing functions, including tab completion. It makes entering filenames much easier.


input, prompt, text processing

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