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env: print usage for bad options #461

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merged 1 commit into from
Feb 14, 2024
Merged

env: print usage for bad options #461

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9 changes: 5 additions & 4 deletions bin/env
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Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,8 @@ while ( @ARGV && $ARGV[0] =~ /^-/ ) {
} elsif ($arg eq '--') {
last;
} else {
warn "$Program: invalid option -- $arg\n";
exit 2;
require Pod::Usage;
Pod::Usage::pod2usage({ -exitval => 2, -verbose => 0 });
}
}

Expand Down Expand Up @@ -87,12 +87,13 @@ I<env> accepts the following options:

=item B<-i>

Clears the environment, passing only the values specifed to the command.
Clears the environment, passing only the values specified to the command.

=item B<-u> I<name>

Clears the environment variable I<name> if it exists.
The value must not include the '=' character.
This option may be repeated.

=back

Expand All @@ -103,7 +104,7 @@ status of the command. Otherwise, I<env> will return one of the following
values:

0 env completed successfully.
1-125 An error occured in env.
1-125 An error occurred in env.
127 There was an error running the command specified.

=head1 BUGS
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