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Top Forums Shell Programming and Scripting Finding a word with awk or sed Post 302999174 by RudiC on Wednesday 14th of June 2017 06:51:58 PM
Old 06-14-2017
If you don't know the word in advance, you need to define some context by which the target is identifyable, like "it's in the line starting with "EX" in the second block", or "it's on the fifth data line". You can't use "it's the last field that is 8 chars long" as this will cause false triggers...

Last edited by RudiC; 06-15-2017 at 07:09 AM..
 

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deb-triggers(5) 						  dpkg utilities						   deb-triggers(5)

NAME
deb-triggers - package triggers SYNOPSIS
triggers DESCRIPTION
A package declares its relationship to some trigger(s) by including a triggers file in its control archive (i.e. DEBIAN/triggers during package creation). This file contains directives, one per line. Leading and trailing whitespace and everything after the first # on any line will be trimmed, and empty lines will be ignored. The trigger control directives currently supported are: interest trigger-name interest-noawait trigger-name Specifies that the package is interested in the named trigger. All triggers in which a package is interested must be listed using this directive in the triggers control file. The "noawait" variant does not put the triggering packages in triggers-awaited state. This should be used when the functionality provided by the trigger is not crucial. activate trigger-name activate-noawait trigger-name Arranges that changes to this package's state will activate the specified trigger. The trigger will be activated at the start of the following operations: unpack, configure, remove (including for the benefit of a conflicting package), purge and deconfigure. The "noawait" variant does not put the triggering packages in triggers-awaited state. This should be used when the functionality provided by the trigger is not crucial. If this package disappears during the unpacking of another package the trigger will be activated when the disappearance is noted towards the end of the unpack. Trigger processing, and transition from triggers-awaited to installed, does not cause activations. In the case of unpack, triggers mentioned in both the old and new versions of the package will be activated. Unknown directives are an error which will prevent installation of the package. The "-noawait" variants are only supported by dpkg 1.16.1 or newer, and will lead to errors if used with an older dpkg. It is thus recom- mended to add a "Pre-Depends: dpkg (>= 1.16.1)" to any package that wish to use those directives. SEE ALSO
dpkg-trigger(1), dpkg(1), /usr/share/doc/dpkg-dev/triggers.txt.gz. Debian Project 2011-08-14 deb-triggers(5)
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