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Top Forums UNIX for Dummies Questions & Answers Is this grep command correct? Post 302287709 by rushhour on Sunday 15th of February 2009 08:54:23 AM
Old 02-15-2009
Is this grep command correct?

Hi

I need to know if I have got the following grep command correct. I wanted to find from myfile.txt all signed real numbers (e.g. +5.0, -78, but not 5.0, 5 are not).

I have thought about it and decided it was this:

Code:
grep '[+-]' myfile.txt

but I was wondering if this was correct. If not, could you tell me what is wrong?
 

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TPAGE(1)						User Contributed Perl Documentation						  TPAGE(1)

NAME
Template::Tools::tpage - Process templates from command line USAGE
tpage [ --define var=value ] file(s) DESCRIPTION
The tpage script is a simple wrapper around the Template Toolkit processor. Files specified by name on the command line are processed in turn by the template processor and the resulting output is sent to STDOUT and can be redirected accordingly. e.g. tpage myfile > myfile.out tpage header myfile footer > myfile.html If no file names are specified on the command line then tpage will read STDIN for input. The "--define" option can be used to set the values of template variables. e.g. tpage --define author="Andy Wardley" skeleton.pm > MyModule.pm See Template for general information about the Perl Template Toolkit and the template language and features. AUTHOR
Andy Wardley <abw@wardley.org> <http://wardley.org/> VERSION
2.68, distributed as part of the Template Toolkit version 2.19, released on 27 April 2007. COPYRIGHT
Copyright (C) 1996-2007 Andy Wardley. All Rights Reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
ttree perl v5.12.1 2008-11-13 TPAGE(1)
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