This is not specific to korn shell. Perl with -p doesn't die if a file doesn't exist (cf. the behaviour of open). Unfortunately, autodie doesn't help here, so if you want it to die, you have to change the logic to something like 
                                                            |
                                                            V
perl -e 'for my $file (@ARGV) { open my $IN, "<", $file or die $!; whi
+le (<$IN>) {s/AJZ/AZZ/g if /^AB/; print}}' input > output

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In reply to Re: Capture error from one-liner by choroba
in thread Capture error from one-liner by dirtdog

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