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hash, percent, carret, exclamation, etc special characters use

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# 1  
Old 02-24-2012
hash, percent, carret, exclamation, etc special characters use
Hi,

I want to know the meaning of this expression -> ${FicPDF#*.} and ${FicPDF##*.}

Can you please refer me to a guide which has explained all this special use of special charaters

Thanks in advance
# 2  
Old 02-24-2012
Answer for your questions

${string##substring} Deletes longest match of $substring from front of $string

${string%%substring} Deletes longest match of $substring from back of $string.

Code:
 
$ a=one.txt
$ echo $a
one.txt
$ echo ${a##*.}
txt
$ echo ${a%%.*}
one


For more :
Manipulating Strings
This User Gave Thanks to itkamaraj For This Post:
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