diff options
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perlfunc.pod | 4 | ||||
| -rw-r--r-- | pod/perlsyn.pod | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 7cf4d3fd0a..a68c7a0836 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -1199,8 +1199,8 @@ C<eof> without the parentheses to test I<each> file in a while } Practical hint: you almost never need to use C<eof> in Perl, because the -input operators return false values when they run out of data, or if there -was an error. +input operators typically return C<undef> when they run out of data, or if +there was an error. =item eval EXPR diff --git a/pod/perlsyn.pod b/pod/perlsyn.pod index 0dd842d2a2..1f3ae50f2d 100644 --- a/pod/perlsyn.pod +++ b/pod/perlsyn.pod @@ -163,6 +163,8 @@ If the LABEL is omitted, the loop control statement refers to the innermost enclosing loop. This may include dynamically looking back your call-stack at run time to find the LABEL. Such desperate behavior triggers a warning if you use the B<-w> flag. +Unlike a C<foreach> statement, a C<while> statement never implicitly +localises any variables. If there is a C<continue> BLOCK, it is always executed just before the conditional is about to be evaluated again, just like the third part of a |