Closed Grinnz closed 9 years ago
"The default place to put the next value or input record when a <FH> , readline, readdir or each operation's result is tested by itself as the sole criterion of a while test. Outside a while test, this will not happen." - referring to $_
<FH>
readline
readdir
each
$_
https://metacpan.org/pod/distribution/perl/pod/perlvar.pod#pod-_
"The default place to put the next value or input record when a
<FH>,readline,readdiroreachoperation's result is tested by itself as the sole criterion of a while test. Outside a while test, this will not happen." - referring to$_https://metacpan.org/pod/distribution/perl/pod/perlvar.pod#pod-_