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Top Forums UNIX for Dummies Questions & Answers Multiple string input in a awk Post 302926266 by derekludwig on Saturday 22nd of November 2014 12:44:44 PM
Old 11-22-2014
You will have to convert both the search string and the input line to either upper or lower case. For example:
Code:
BEGIN{ SLENGTH = 3 }
{
    string = "jkl"
    skipped = 0
    starts = ""
    line   = tolower($0);
    while ( SSTART = index(line,string )) {
        starts = starts (starts?" ":"") (skipped + SSTART)
        line = substr(line,SSTART + SLENGTH)
        skipped += (SSTART + SLENGTH - 1)
    }
}
starts { print starts }

which returns:
Code:
9 18 21 28 36

 

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GCHEM3D(1)						       gnome-chemistry-utils							GCHEM3D(1)

NAME
gchem3d - a small chemical viewer application SYNOPSIS
gchem3d [OPTION(S)...] [FILE...] DESCRIPTION
gchem3d is a small chemical viewer application, which can show several chemical file formats. OPTIONS
The following options are accepted: -b COLOR, --bgcolor=COLOR Use the given color as background color. COLOR can be one of "black" (default), "white", "#rrggbb" (don't forget to escape the "#" character in the shell). -d MODEL, --display3d=MODEL Choose how molecules are displayed. MODEL can be one of "BallnStick" (default), "SpaceFill". -?, --help Show application help options. --help-all, --help-* Print all or just a group of help options. These options are not documented here. Instead see gtk-options(7) and gnome-options(7). -v, --version Print gchem3d version information. SEE ALSO
gnome-options(7), gtk-options(7) AUTHORS
Jean Brefort <jean.brefort@normalesup.org> Program author. Daniel Leidert <daniel.leidert@wgdd.de> Manpage author. COPYRIGHT
Copyright (C) 2002-2007 Jean Brefort Copyright (C) 2004-2007 Daniel Leidert Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or any later version published by the Free Software Foundation. gcu 0.12 $Date: 2009-03-19 10:53:47 +0100 (jeu. 19 mars 2009) $ GCHEM3D(1)
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