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Top Forums Shell Programming and Scripting Grep float/integers but skip some integers Post 302791567 by Asif Siddique on Monday 8th of April 2013 05:25:47 PM
Old 04-08-2013
Grep float/integers but skip some integers

Hi,
I am working in bash in Mac OSX, I have following 'input.txt' file:

<INFO> HypoTestTool: >>> Done running HypoTestInverter on the workspace combined
<INFO> HypoTestTool: The computed upper limit is: 11 +/- 1.02651
<INFO> HypoTestTool: expected limit (median) 11
<INFO> HypoTestTool: expected limit (-1 sig) 9.84211
<INFO> HypoTestTool: expected limit (+1 sig) 11
<INFO> HypoTestTool: expected limit (-2 sig) 0.202636
<INFO> HypoTestTool: expected limit (+2 sig) 11

I want to grep all the integers and floats except -1 +1 -2 +2 before "sig".

I tried this
Code:
cat input.txt | grep -oE '\-?[0-9]+|\-?[0-9]+\.[0-9]+'

but i also get -1 +1 -2 +2 ,

I don't want to restrict the length of integers like this:
Code:
cat input.txt | grep -oE '\-?[0-9][0-9]|\-?[0-9]+\.[0-9]+'

Can you please help in it ?

Last edited by Asif Siddique; 04-08-2013 at 06:36 PM..
 

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