This is an egg for CHICKEN 4, the unsupported old release. You're almost certainly looking for the CHICKEN 5 version of this egg, if it exists.
If it does not exist, there may be equivalent functionality provided by another egg; have a look at the egg index. Otherwise, please consider porting this egg to the current version of CHICKEN.
sysexits(3) values (preferable exit codes).
The source for this egg is available here.
These values correspond to the exit codes defined by sysexits(3) and have the following approximate meanings:
exit/ok ; successful termination exit/usage ; command line usage error exit/dataerr ; data format error exit/noinput ; cannot open input exit/nouser ; addressee unknown exit/nohost ; host name unknown exit/unavailable ; service unavailable exit/software ; internal software error exit/oserr ; system error (e.g., can't fork) exit/osfile ; critical OS file missing exit/cantcreat ; can't create (user) output file exit/ioerr ; input/output error exit/tempfail ; temp failure; user is invited to retry exit/protocol ; remote error in protocol exit/noperm ; permission denied exit/config ; configuration error