|Perl Language Reference Manual|
by Larry Wall and others
Paperback (6"x9"), 724 pages
RRP £29.95 ($39.95)
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EXPR is executed as a system command.
The collected standard output of the command is returned.
In scalar context, it comes back as a single (potentially
multi-line) string. In list context, returns a list of lines
(however you've defined lines with
This is the internal function implementing the
operator, but you can use it directly. The
operator is discussed in more detail in 7.33.
If EXPR is omitted, uses
|ISBN 9781906966027||Perl Language Reference Manual||See the print edition|