Hi All,
I m trying to write a small utilities to help me.
I need to create a shell script to which if I give two filenames it will create a some.diff file from that.
I know its very simple, but I am stuck
here is code I have written.
in the line number 10, I am just trying to get diff file name from first file name.
let say have filename1.c, I want the name of diff file as filename1.diff
some how I am not able to cut the name before dot (.) and append the .diff to it.
Anyone please help me out, where I m making mistake.
Thanks in advnace.
~reverser
Last edited by Scott; 11-10-2010 at 03:30 PM..
Reason: Code tags
It's helpful, when you post problems, to say what it is doing, not just what you want it to do. I had to type out the code myself to see what was going wrong...
When I try your code awk prints an error message and usage instructions. Looks like you forgot a space between " and ', when I add it awk does as expected.
Depending on your shell there may be much more efficient ways to do this, like:
If you're calling awk, cut, sed, perl, etc. to process single lines of text, that's probably not the best way to do it. awk is an entire complex language by itself, and any of these can process more than one line, so it's overkill and slows your script way down.
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