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Cut cmd with delimiter as |#|

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Top Forums Shell Programming and Scripting Cut cmd with delimiter as |#|
# 8  
Old 06-27-2013
Thanks that is good to know. I did some more tests with several versions of awk on various platforms:
Code:
awk -F"|#|" '{print $2}' file

Indeed it works on AIX. It also works with /usr/xpg4/bin/awk on Solaris but not with nawk. It did not work with any of the other awks I tried on various platforms.

Code:
awk -F"[|]#[|]" '{print $2}' file

worked with every awk on every platform (except oawk on Solaris obviously)

I found this section:
Quote:
A <vertical-line> appearing first or last in an ERE, or immediately following a <vertical-line> or a <left-parenthesis>, or immediately preceding a <right-parenthesis>, produces undefined results.
9.4.3 ERE Special Characters

So that means -F'[|]#[|]' is correct and portable, whereas -F'|#|' is not.
Last edited by Scrutinizer; 06-27-2013 at 03:33 AM..
This User Gave Thanks to Scrutinizer For This Post:
krishmaths
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