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

• $LAST_REGEXP_CODE_RESULT

• $_

• $1

• $REAL_USER_ID

• $EVAL_ERROR

• $%

• $LAST_PAREN_MATCH

• $FORMAT_LINE_BREAK_CHARACTERS

• $^T

• $(

• $|

• $a - $b - Special variables when using sort(). Don't use them for anything else besides your sort function!

• Don't use $a and $b outside of sort, not even for examples

• $^

• ${^LAST_FH}