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How to cut a file name from back side

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# 1  
Old 07-28-2008
How to cut a file name from back side
Hi
I have to delete 18 characters from my file names from back side.

i mean if file name is abcde123456

then i have to delete 6 characters from back and i need file name as abcde.

Please help
# 2  
Old 07-28-2008
Code:
file=abcdefg123456
newfile=${var%??????}
echo $newfile
abcdefg

Thanks
namish
# 3  
Old 07-28-2008
with sed
Code:
sed 's/.\{6\}$//g'

# 4  
Old 07-28-2008
If you have GNU cut
Code:
echo abcde123456 | cut -c6- --complement

# 5  
Old 07-28-2008
it worked...

thank you so much
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