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

• $COMPILING

• $ERRNO

• $EUID

• ${^RE_DEBUG_FLAGS}

• $%

• $ARGV

• $(

• $RS

• Chomp and $/, the Input Record Separator

• $;

• $`

• $EFFECTIVE_GROUP_ID

• $^T

• $?

• $OUTPUT_FIELD_SEPARATOR