Searching for "$"

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• $, the output field separator, and $" the list separator of Perl

• How to extract strings from a file

• Installing and getting started with Perl

• Scalar values and variables - video

• Scalar variables

• $^E

• $>

• $]

• $BASETIME

• $^O $OSNAME

• $EGID

• $_ the default variable of Perl

• $PERLDB

• $$, $PROCESS_ID, $PID- The process number of the current script / program / executable.

• ${^UTF8LOCALE}

• $UID

• $~

• $OUTPUT_RECORD_SEPARATOR

• $4

• ${^CHILD_ERROR_NATIVE}