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Shell Programming and Scripting

Newbie hw engineer

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# 1  
Old 12-04-2013
perl word extraction
Need a perl script that will extract component reference designators from a text file and write them to a new file. The refdes attribute will always follow the characters "REFDES=". So for the first line below I'd like to extract the reference designator R2402.

Code:
A 2158 1882 12 2 2 3 REFDES=R2042
C 3975 2 1 0
A 2041 1898 12 1 3 3 #=1
C 3982 15 2 0
A 2110 1892 12 1 3 3 #=2

Last edited by jeffs123456; 12-05-2013 at 01:00 PM.. Reason: Please use code tags for code and data samples
# 2  
Old 12-05-2013
Does it have to be perl?

Code:
$ sed -n '/REFDES=/s/.*REFDES=\([^ ]*\).*/\1/p' input
R2042

# 3  
Old 12-05-2013
what kind of thread title it is "Newbie hw engineer" ?
This User Gave Thanks to Akshay Hegde For This Post:
Scott
# 4  
Old 12-05-2013
he said pre-newbie hw engineer, lol, I guess he hasn't reached full newbie hw engineer status. I would guess the dream would be to reach just regular hw engineer status. pre-newbie and full-newbie...like the unicorn, I don't think these animals exist.
This User Gave Thanks to blackrageous For This Post:
jeffs123456
# 5  
Old 12-05-2013
Code:
perl -ne '/REFDES=(.*?)\s+/ && print $1' your_file

# 6  
Old 12-05-2013
Mea culpa, mea culpa. Sorry for not knowing the rules. Will comply in the future.
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