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Diffstat (limited to 'pod/perlsyn.pod')
| -rw-r--r-- | pod/perlsyn.pod | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pod/perlsyn.pod b/pod/perlsyn.pod index dfded2ecde..a65b4cd263 100644 --- a/pod/perlsyn.pod +++ b/pod/perlsyn.pod @@ -598,6 +598,11 @@ C</^#\s*line\s+(\d+)\s*(?:\s"([^"]+)")?\s*$/> with C<$1> being the line number for the next line, and C<$2> being the optional filename (specified within quotes). +There is a fairly obvious gotcha included with the line directive: +Debuggers and profilers will only show the last source line to appear +at a particular line number in a given file. Care should be taken not +to cause line number collisions in code you'd like to debug later. + Here are some examples that you should be able to type into your command shell: |