[jconner@kwan ~]$ cat celldata | perl -d code.pl Default die handler restored. Loading DB routines from perl5db.pl version 1.07 Editor support available. Enter h or `h h' for help, or `man perldebug' for more help. main::(code.pl:4): chomp(my $msisdn = ); DB<1> t Trace = on DB<1> s main::(code.pl:5): $/ = ""; # read paragraphs DB<1> main::(code.pl:6): my $para; DB<1> main::(code.pl:7): my $lastHeading; DB<1> main::(code.pl:9): while ($para = <>) { DB<1> main::(code.pl:11): my @lines = split(/\n/, $para);