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06-16-2008
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Pulling the first and last character/number from a string.
Let's say I have a word "foobar23" in a file, and I want to pull the first "f" and last "3" character out of the world, how would I accomplish that?
# cat file foobar23 I want the output to be: f3 |
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06-16-2008
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(use the button right of the post (attention sign) to report the spam) bash: Code:
> cat file
foobar23
> var=`cat file`
> echo $var
foobar23
> echo ${var:0:1}${var: -1}
f3
Note that the space in ${var: -1} is important. Last edited by fabtagon; 06-17-2008 at 11:37 AM.. Reason: damn ;-) |
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