June 2002
Beginner
759 pages
80h 42m
English
open2
open2 (\*rdr, \*wtr,cmd_with_args)
Forks a child process to execute the specified command. Takes the following arguments:
\*
rdrRepresents a read filehandle that your program can use to read from the command $cmd’s standard output. Can be a filehandle object or a reference to a typeglob.
\*
wtrRepresents a write filehandle that your program can use to write to the command $cmd’s standard input. Can be a filehandle object or a reference to a typeglob.
cmd_with_argsThe command to be executed by the child process and its arguments. Can be specified two ways:
$cmd_with_args$cmd, "arg1", "arg2", ...