Comparison package versions

To be sure your package will be upgraded to the latest version you shoult test it. To do it you could use dpkg --compare-versions command. The command requires three argumenst: version and the test operation. For example:

The result returns as the exit code which we can see by echo $? shell command.

The test operations could be:

• lt - less than

• gt - great than

See the man page on dpkg for more conditions.