warn
warn msg
Produces a message on STDERR just like die
, but doesn’t try to exit or throw an
exception. For example:
warn "Debug enabled" if $debug;
If the message supplied is null, the message "Something's wrong"
is used. As with
die
, a message not ending with
a newline will have file and line number information automatically
appended. The warn
operator is
unrelated to the -w switch.
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