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Shell Programming and Scripting
Add a # on particular pattern in file
Post 303024754 by rdrtx1 on Tuesday 16th of October 2018 10:06:40 AM
10-16-2018
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LEARN ABOUT DEBIAN
guards
GUARDS(1) User Contributed Perl Documentation GUARDS(1) NAME
guards - select from a list of files guarded by conditions SYNOPSIS
guards [--prefix=dir] [--path=dir2:dir2:...] [--default=0|1] [-v|--invert-match] [--list|--check] [--config=file] symbol ... DESCRIPTION
The script reads a configuration file that may contain so-called guards, file names, and comments, and writes those file names that satisfy all guards to standard output. The script takes a list of symbols as its arguments. Each line in the configuration file is processed separately. Lines may start with a number of guards. The following guards are defined: +xxx Include the file(s) on this line if the symbol xxx is defined. -xxx Exclude the file(s) on this line if the symbol xxx is defined. +!xxx Include the file(s) on this line if the symbol xxx is not defined. -!xxx Exclude the file(s) on this line if the symbol xxx is not defined. - Exclude this file. Used to avoid spurious --check messages. The guards are processed left to right. The last guard that matches determines if the file is included. If no guard is specified, the --default setting determines if the file is included. If no configuration file is specified, the script reads from standard input. The --check option is used to compare the specification file against the file system. If files are referenced in the specification that do not exist, or if files are not enlisted in the specification file warnings are printed. The --path option can be used to specify which directory or directories to scan. Multiple directories are separated by a colon (":") character. The --prefix option specifies the location of the files. AUTHOR
Andreas Gruenbacher <agruen@suse.de> (SuSE Linux AG) perl v5.14.2 2012-03-04 GUARDS(1)