Linux Command Library


version comparison utility

vercmp <version1> <version2>

vercmp is used to determine the relationship between two given version numbers. It outputs values as follows:

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.

-h, --help

Display syntax for the given operation. If no operation was supplied, then the general syntax is shown.

$ 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

There is none.

pacman(8), makepkg(8), libalpm(3)

See the pacman website at for current information on pacman and its related tools.

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

Current maintainers:

Past major contributors:

For additional contributors, use git shortlog -s on the pacman.git repository.

Last updated 2014-12-21 16:24:36 AEST

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