Using SED to change a specific word's color? Post: 302415114

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Top Forums UNIX for Dummies Questions & Answers Using SED to change a specific word's color? Post 302415114 by pseudocoder on Wednesday 21st of April 2010 08:39:12 PM

04-21-2010

Registered User

I think your requirement is too complex to be done with an one-liner.
Here is a fully working script which can search up to 3 words.
Feel free to modify it if you need to search your logfile(s) for more than 3 words.

Code:

#!/bin/sh

if [ $# -eq 0 ] ; then
	
        echo " usage: $0 logfile arg1 arg2 arg3"
        echo " arg2 and arg3 are optional"
        exit 1

elif [ ! -e $1 ] ; then

        echo " file $1 does not exist"
	exit 1

elif [ "$2" = "" ] ; then

        echo " no arg1"
	exit 1

elif [ $# -gt 4 ] ; then

	echo " too many arguments!"
        exit 1

elif [ $# -eq 4 ] ; then

	cat $1 | sed -e ''/$2/s//`printf "\033[32m$2\033[0m"`/'' \
                     -e ''/$3/s//`printf "\033[32m$3\033[0m"`/'' \
		     -e ''/$4/s//`printf "\033[32m$4\033[0m"`/''
	exit 0

elif [ $# -eq 3 ] ; then

 	cat $1 | sed -e ''/$2/s//`printf "\033[32m$2\033[0m"`/'' \
		     -e ''/$3/s//`printf "\033[32m$3\033[0m"`/''
	exit 0

elif [ $# -eq 2 ] ; then

        cat $1 | sed -e ''/$2/s//`printf "\033[32m$2\033[0m"`/''
	exit 0

fi

Code:

$ ./sgrep 
 usage: ./sgrep logfile arg1 arg2 arg3
 arg2 and arg3 are optional
$ ./sgrep mylogg
 file mylogg does not exist
$ ./sgrep mylog
 no arg1
$ ./sgrep mylog LINE
LINE 001 START 00:01 END 00:11
LINE 002 START 01:01 END 01:11
LINE 003 START 02:01 END 02:11
LINE 004 START 03:01 END 03:11
LINE 005 START 04:01 END 04:11
$ ./sgrep mylog LINE START
LINE 001 START 00:01 END 00:11
LINE 002 START 01:01 END 01:11
LINE 003 START 02:01 END 02:11
LINE 004 START 03:01 END 03:11
LINE 005 START 04:01 END 04:11
$ ./sgrep mylog LINE START END
LINE 001 START 00:01 END 00:11
LINE 002 START 01:01 END 01:11
LINE 003 START 02:01 END 02:11
LINE 004 START 03:01 END 03:11
LINE 005 START 04:01 END 04:11
$ ./sgrep mylog LINE START END WTF
 too many arguments!
$

pseudocoder

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dxmcolormixgetnewcolor

DXmColorMixGetNewColor(3X)												DXmColorMixGetNewColor(3X)

NAME

       DXmColorMixGetNewColor - Retrieves (returns) the color mixing widget's current new color red, green, and blue values.

SYNOPSIS

       void DXmColorMixGetNewColor(
	       DXmColorMixWidget cmw,
	       unsigned short *red,
	       unsigned short *green,
	       unsigned short *blue );

PARAMETERS

       The  widget  identifier	of  the  color mixing widget.  A pointer to the returned new color red value.  A pointer to the returned new color
       green value.  A pointer to the returned new color blue value.

       A complete list of all the X color values available to you is located on your system.  To find it, type the following  command:	%  find  /
       -name '*rgb*' -print

DESCRIPTION

       DXmColorMixGetNewColor  allows  the  calling application or routine to quickly obtain the current color value from the color mixing widget.
       Note that if your application uses the default color mixing subwidget, the application will perform this operation faster if you call  this
       routine instead of the Intrinsic routine XtGetValues.

SEE ALSO

       DXmColorMixSetNewColor(3X), DXmCreateColorMix(3X), DXmCreateColorMixDialog(3X)

															DXmColorMixGetNewColor(3X)

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