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how to extract values b/w two delimiters

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# 1  
Old 09-16-2008
how to extract values b/w two delimiters
Hi,

Please help me to extrat values b/w two delimiters.

$ echo $abc
[%12345%]

i want to extract the value 12345 b/w %.
# 2  
Old 09-16-2008
Some possibilities:

Code:
echo "$abc" | awk -F"%" '{print $2}'

or:

Code:
echo "$abc" | sed 's/\[%\(.*\)%\]/\1/'

# 3  
Old 09-16-2008
Code:
var="[%12345%]"
IFS="%"
set -- $var
echo $2

# 4  
Old 09-16-2008
Or if the text is in a file,

Code:
sed -n 's/.*\[%\(.*\)%\].*/\1/p' file

You can echo "$string" | sed if the text is not coming from a file, of course.
# 5  
Old 09-16-2008
You can use "tr" too.
Code:
echo "$abc" | tr -d "[%]"

# 6  
Old 09-16-2008
Hi all,

Thanks all. it working fine.
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