#${^LAST_FH}

This read-only variable contains a reference to the last-read filehandle. This is set by <HANDLE>, readline, tell, eof and seek. This is the same handle that $. and tell and eof without arguments use. It is also the handle used when Perl appends ", <STDIN> line 1" to an error or warning message.

This variable was added in Perl v5.18.0.

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