Correct the interpretation of status code one hundred to signal availability of updates, the opposite of what is written.
From slackpkg's man page:
EXIT STATUS
0 Successful slackpkg execution.
1 Something wrong happened.
20 No package found to be downloaded, installed, reinstalled, upgraded, or
removed.
50 Slackpkg itself was upgraded and you need to re-run it.
100 There are pending updates.
Correct the interpretation of status code one hundred to signal availability of updates, the opposite of what is written.
From slackpkg's man page: