pattern matching in Bash
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by Tim
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Published on 2010-03-21T18:27:23Z
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2010/03/21
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bash
|pattern-matching
Hi,
Here is an example to get different parts of a filename
bash-3.2$ pathandfile=/tmp/ff.txt
bash-3.2$ filename=$(basename $pathandfile)
bash-3.2$ echo $filename
ff.txt
bash-3.2$ echo ${filename##*.}
txt
bash-3.2$ echo ${filename%.*}
ff
I was wondering what does ## and % mean in the patterns. How is the patten matching working?
Thanks and regards!
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