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

• $EFFECTIVE_GROUP_ID

• $OUTPUT_AUTOFLUSH

• $:

• Use of uninitialized value $got in pattern match (m//) at Test/Deep/Regexp.pm line 57.

• $OUTPUT_FIELD_SEPARATOR

• $;

• $_

• $PREMATCH

• $^R

• $=

• $^A

• $ERRNO

• $WARNING

• $EXTENDED_OS_ERROR

• $FORMAT_NAME