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#! /usr/bin/perl -w use strict; ... sub foobar { print "foo$_[1]bar\n"; }
Use of uninitialized value in concatenation (.) or string at - line 7. foobar
#! /usr/bin/perl -w use strict; ... print "foobar\n"; } }
#! /usr/bin/perl use strict; ... no warnings qw (uninitialized); print "foo$_[1]bar\n"; }
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