Perl: Pocket Reference by Johan Vromans

Author:Johan Vromans [Johan Vromans]
Language: eng
Format: epub
Tags: COMPUTERS / Programming Languages / Perl
ISBN: 9781449308131
Publisher: O'Reilly Media
Published: 2011-07-18T16:00:00+00:00

printf [ filehandle ] list†

Equivalent to print filehandle sprintf list.

read filehandle, $var, length [ , offset ]

Reads length characters from the file into the variable at offset. Returns the number of characters actually read, 0 on EOF, and undef on failure.

readline expr†

Internal function that implements the < > operator.

readpipe expr†

Internal function that implements the qx operator. expr is executed as a system command.

say [ filehandle ] list†

Just like print, but implicitly appends a newline.

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