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Answer: how do i trap the error generated by perl

by bikeNomad (Priest)
on Jun 08, 2001 at 00:46 UTC ( #86745=categorized answer: print w/replies, xml ) Need Help??

Q&A > programs and processes > how do i trap the error generated by perl - Answer contributed by bikeNomad

You need to look at the discussions of die() and warn() and the %SIG hash. You can set up your own handlers for errors (via die) using $SIG{__DIE__} = sub { ... } and for warnings (via warn) using $SIG{__WARN__} = sub { ... }. See the perlvar and perlfunc manpages. You can also run code that you think might die inside an eval { } construction and keep your program from dying.
#!/usr/bin/perl -w use strict; $SIG{__DIE__} = sub { die("My error: ", @_); }; $SIG{__WARN__} = sub { warn("My warning: ", @_); }; warn("some warning"); die("aarggh!");

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