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working with tar exclude command

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# 1  
Old 04-25-2012
working with tar exclude command

i have issue with tar, let me explain

when i run below command it works perfectly as usual.
tar -cvf /tmp/temp.tar --exclude="exclusion expression" dir

my requirement is
--exclude="exclusion expression"

will come from another variable.
so when i execute below command:
tar -cvf /tmp/temp.tar "$patern" dir

it interprets it as
tar -cvf /tmp/temp.tar '--exclude="exclusion expression" ' dir

see it adds extra single quotes and command fails.

anybody please help, i hope its very easy.

i tried using sed and removing single quote from variable but that not the problem as soon as i give here as parameter to tar command it gets converted same.

Last edited by ajayyadavmca; 04-25-2012 at 01:13 PM..
# 2  
Old 04-25-2012
Can you not make the variable not contain --exclude

tar -cvf /tmp/temp.tar --exclude "$patern" dir

# 3  
Old 04-26-2012

thanks , i have solved it by using "awk" with help of some other shell programmer.

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