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VERCMP(8) Pacman Manual VERCMP(8) NAME vercmp - version comparison utility SYNOPSIS vercmp [-h] [--help] <version1> <version2> DESCRIPTION vercmp is used to determine the relationship between two given version numbers. It outputs values as follows: o < 0 : if ver1 < ver2 o = 0 : if ver1 == ver2 o > 0 : if ver1 > ver2 Version comparison operates as follows: Alphanumeric: 1.0a < 1.0b < 1.0beta < 1.0p < 1.0pre < 1.0rc < 1.0 < 1.0.a < 1.0.1 Numeric: 1 < 1.0 < 1.1 < 1.1.1 < 1.2 < 2.0 < 3.0.0 Additionally, version strings can have an epoch value defined that will overrule any version comparison, unless the epoch values are equal. This is specified in an epoch:version-rel format. For example, 2:1.0-1 is always greater than 1:3.6-1. Keep in mind that the pkgrel is only compared if it is available on both versions given to this tool. For example, comparing 1.5-1 and 1.5 will yield 0; comparing 1.5-1 and 1.5-2 will yield < 0 as expected. This is mainly for supporting versioned dependencies that do not include the pkgrel. OPTIONS -h, --help Display summary of the available return codes. Must be the first option specified. EXAMPLES $ vercmp 1 2 -1 $ vercmp 2 1 1 $ vercmp 2.0-1 1.7-6 1 $ vercmp 2.0 2.0-13 0 $ vercmp 4.34 1:001 -1 SEE ALSO pacman(8), makepkg(8), libalpm(3) See the pacman website at https://www.archlinux.org/pacman/ for current information on pacman and its related tools. BUGS Bugs? You must be kidding; there are no bugs in this software. But if we happen to be wrong, send us an email with as much detail as possible to pacman-dev@archlinux.org. AUTHORS Current maintainers: o Allan McRae <allan@archlinux.org> o Andrew Gregory <andrew.gregory.8@gmail.com> o Dan McGee <dan@archlinux.org> o Dave Reisner <dreisner@archlinux.org> Past major contributors: o Judd Vinet <jvinet@zeroflux.org> o Aurelien Foret <aurelien@archlinux.org> o Aaron Griffin <aaron@archlinux.org> o Xavier Chantry <shiningxc@gmail.com> o Nagy Gabor <ngaba@bibl.u-szeged.hu> For additional contributors, use git shortlog -s on the pacman.git repository. Pacman 5.1.3 2019-03-01 VERCMP(8)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SEE ALSO | BUGS | AUTHORS
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