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Shell Programming and Scripting

TO Extract Last 10 Characters from a line

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# 1  
Old 10-24-2008
TO Extract Last 10 Characters from a line
Hi Guys!!!!!!!!!!!

How do we extract last 13 characters from a line

I/p:

.R1/new/sv902a.01.per

O/p:
sv902a.01.per

And the no of characters differs in each line..

Kindly help me out in this!!!!!!!!!!!

Thanks in Advance
# 2  
Old 10-24-2008
To print the last 13 characters of a line:

Code:
echo "$string" | awk '{print substr($0,length-12)}'

To get the last characters after the slash:

Code:
echo ${string##*/}

with basename:

Code:
basename "$string"

or with sed:

Code:
echo "$string" | sed 's_.*/__'

Regards
# 3  
Old 10-24-2008
Code:
echo ".R1/new/sv902a.01.per" | sed 's/\(.*\)\(.\{13\}\)$/\2/'

# 4  
Old 10-24-2008
summer_cherry has a nice solution but lacks readability.
just to prove there is more than one sulution

get the last 13 characters:
echo ".R1/new/sv902a.01.per" | rev | cut -b-13| rev

get the filename:
FOO=".R1/new/sv902a.01.per"
echo ${FOO##*/*/}
# 5  
Old 10-24-2008
Quote:
Originally Posted by grumpf
echo ${FOO##*/*/}
Shorter Smilie
Code:
echo ${FOO##*/}

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