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Full Discussion: Grep float/integers but skip some integers
Top Forums Shell Programming and Scripting Grep float/integers but skip some integers Post 302791639 by hanson44 on Monday 8th of April 2013 09:00:13 PM
Old 04-08-2013
Here's a possible way:
Code:
$ cat input.txt
<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

Code:
$ grep -o '[+-]*[0-9]\+[.]*[0-9]*' input.txt | grep -v "[+-][12]\>"
11
1.02651
11
-9.84211
11
0.202636
+11

This User Gave Thanks to hanson44 For This Post:
Asif Siddique
 

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LEARN ABOUT BSD

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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