1GUARDS(1) User Contributed Perl Documentation GUARDS(1)
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6 guards - select from a list of files guarded by conditions
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9 guards [--prefix=dir] [--path=dir1:dir2:...] [--default=<0|1>]
10 [--check|--list] [--invert-match] [--with-guards] [--config=<file>]
11 symbol ...
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14 The script reads a configuration file that may contain so-called
15 guards, file names, and comments, and writes those file names that
16 satisfy all guards to standard output. The script takes a list of
17 symbols as its arguments. Each line in the configuration file is
18 processed separately. Lines may start with a number of guards. The
19 following guards are defined:
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21 +xxx Include the file(s) on this line if the symbol xxx is defined.
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23 -xxx Exclude the file(s) on this line if the symbol xxx is defined.
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25 +!xxx Include the file(s) on this line if the symbol xxx is not
26 defined.
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28 -!xxx Exclude the file(s) on this line if the symbol xxx is not
29 defined.
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31 - Exclude this file. Used to avoid spurious --check messages.
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33 The guards are processed left to right. The last guard that matches
34 determines if the file is included. If no guard is specified, the
35 --default setting determines if the file is included.
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37 If no configuration file is specified, the script reads from standard
38 input.
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40 The --check option is used to compare the specification file against
41 the file system. If files are referenced in the specification that do
42 not exist, or if files are not enlisted in the specification file
43 warnings are printed. The --path option can be used to specify which
44 directory or directories to scan. Multiple directories are separated
45 by a colon (":") character. The --prefix option specifies the location
46 of the files. Alternatively, the --path=@<file> syntax can be used to
47 specify a file from which the file names will be read.
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49 Use --list to list all files independent of any rules. Use
50 --invert-match to list only the excluded patches. Use --with-guards to
51 also include all inclusion and exclusion rules.
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54 Andreas Gruenbacher <agruen@suse.de>, SUSE Labs
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58perl v5.30.1 2020-01-30 GUARDS(1)