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| Newer page: | version 24 | Last edited on Wednesday, May 11, 2005 2:57:40 pm | by CraigBox | Revert |
| Older page: | version 23 | Last edited on Tuesday, November 2, 2004 5:00:51 am | by AristotlePagaltzis | Revert |
@@ -42,8 +42,16 @@
perl -pe 's!\\n!\n!g; s!\\t!\t!g' $file
</verbatim>
Note that you can use any punctuation as the separator in an <tt>s///</tt> command, and if you have backslashes or even need literal slashes in your pattern then doing this can increase clarity.
+
+!! sh -x a Perl script
+
+If you're just trying to get a printout of each line of Perl code as it executes (the way that sh -x provides for shell scripts), you can't use Perl's -D switch. Instead do this:
+
+<verbatim>
+$ PERLDB_OPTS="NonStop=1 AutoTrace=1 frame=2" perl -dS program
+</verbatim>
!! List all currently running processes
This is useful if you suspect that ps(1) is not reliable, whether due to a RootKit or some other cause. It prints the process ID and command line of every running process on the system (except some "special" kernel processes that lie about/don't have command lines).
