From: Adams Kevin J (kevin.adams@PHS.COM)
Date: Fri Jul 19 2002 - 16:52:59 EDT
Doesn't * mean zero or more and + means one or more?
Kevin
-----Original Message-----
From: Y.SINGH@PONL.COM [mailto:Y.SINGH@PONL.COM]
Sent: Friday, July 19, 2002 1:16 PM
To: aix-l@Princeton.EDU
Subject: [aix-l] sed problem
Friends , a stupid question.
Following is the file of 9 lines (sample.txt) :
900
12356
2.1
3.14159265
87878787
0.25
a
if i give command ,
sed -n -e '/900*/p' sample.txt
I get output of just one line ,
900
Now if I give command ,
sed -n -e '/[09]*/p' sample.txt
I get all the lines in output ,
900
12356
2.1
3.14159265
87878787
0.25
a
Why is that ?? I am expecting combination of only 0 & 9 in output .
Please advice.
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