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Grep and append

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# 1  
Old 01-22-2015
HP Grep and append
Have a string as below in a file.

"
Code:
anohter boy has id 000921 and girl has id=655 of roll number

"

using grep below commands with grep commands but able to get one string at a time, not able to append.

Code:
less <filename> | grep -o -P '(?<=id ).*(?=and )'

Code:
 
less <filename> | grep -o -P '(?<=id\= ).*(?=of )'

how to get output as :
Code:
000921 655

thanks
Last edited by Scrutinizer; 01-22-2015 at 04:01 AM.. Reason: code tags
# 2  
Old 01-22-2015
try

Code:
grep -o -P '(?<=id ).*?(?= and )|(?<=id=).*?(?= of )' filename | paste -d " " - -

Or

Code:
grep -Po '(?<=id( |=)).*?(?= (and|of) )' filename | paste -d " " - -

Last edited by Scrutinizer; 01-22-2015 at 11:06 AM..
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