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NAMEAlien::Build::Plugin::Probe::CommandLine - Probe for tools or commands already availableVERSIONversion 2.48SYNOPSISuse alienfile; plugin 'Probe::CommandLine' => ( command => 'gzip', args => [ '--version' ], match => qr/gzip/, version => qr/gzip ([0-9\.]+)/, ); DESCRIPTIONThis plugin probes for the existence of the given command line program.PROPERTIEScommandThe name of the command.argsThe arguments to pass to the command.secondaryIf you are using another probe plugin (such as Alien::Build::Plugin::Probe::CBuilder or Alien::Build::Plugin::PkgConfig::Negotiate) to detect the existence of a library, but also need a program to exist, then you should set secondary to a true value. For example when you need both:use alienfile; # requires both liblzma library and xz program plugin 'PkgConfig' => 'liblzma'; plugin 'Probe::CommandLine => ( command => 'xz', secondary => 1, ); When you don't: use alienfile; plugin 'Probe::CommandLine' => ( command => 'gzip', secondary => 0, # default ); matchRegular expression for which the program output should match.match_stderrRegular expression for which the program standard error should match.versionRegular expression to parse out the version from the program output. The regular expression should store the version number in $1.version_stderrRegular expression to parse out the version from the program standard error. The regular expression should store the version number in $1.atleast_versionThe minimum required version as provided by the system.SEE ALSOAlien::Build, alienfile, Alien::Build::MM, AlienAUTHORAuthor: Graham Ollis <plicease@cpan.org>Contributors: Diab Jerius (DJERIUS) Roy Storey (KIWIROY) Ilya Pavlov David Mertens (run4flat) Mark Nunberg (mordy, mnunberg) Christian Walde (Mithaldu) Brian Wightman (MidLifeXis) Zaki Mughal (zmughal) mohawk (mohawk2, ETJ) Vikas N Kumar (vikasnkumar) Flavio Poletti (polettix) Salvador Fandiño (salva) Gianni Ceccarelli (dakkar) Pavel Shaydo (zwon, trinitum) Kang-min Liu (劉康民, gugod) Nicholas Shipp (nshp) Juan Julián Merelo Guervós (JJ) Joel Berger (JBERGER) Petr Písař (ppisar) Lance Wicks (LANCEW) Ahmad Fatoum (a3f, ATHREEF) José Joaquín Atria (JJATRIA) Duke Leto (LETO) Shoichi Kaji (SKAJI) Shawn Laffan (SLAFFAN) Paul Evans (leonerd, PEVANS) Håkon Hægland (hakonhagland, HAKONH) nick nauwelaerts (INPHOBIA) COPYRIGHT AND LICENSEThis software is copyright (c) 2011-2020 by Graham Ollis.This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
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