x xor These operators are documented in perlop.

NAME

ne These operators are documented in perlop.

NAME

getpgrp PID Returns the current process group for the specified PID. Use a PID of 0 to

NAME

$INPUT_LINE_NUMBER

$b Special package variables when using sort()

${^MATCH} This is similar to $& ($MATCH

IO::Handle->output_record_separator( EXPR )