[comment {-*- tcl -*- doctools manpage}] [manpage_begin tcl::chan::random n 1] [keywords /dev/random] [keywords random] [keywords {reflected channel}] [keywords {tip 219}] [keywords {virtual channel}] [copyright {2009 Andreas Kupries }] [moddesc {Reflected/virtual channel support}] [category Channels] [titledesc {Random channel}] [require Tcl 8.5] [require TclOO] [require tcl::chan::events [opt 1]] [require tcl::chan::random [opt 1]] [description] [para] The [package tcl::chan::random] package provides a command creating random channels, i.e. read-only channels which return an infinite stream of pseudo-random characters upon reading. This is similar to the random channels provided by the package [package Memchan], except that this is written in pure Tcl, not C, and uses a much simpler generator as well. On the other hand, [package Memchan] is usable with Tcl 8.4 and before, whereas this package requires Tcl 8.5 or higher, and TclOO. [para] The internal [package TclOO] class implementing the channel handler is a sub-class of the [package tcl::chan::events] framework. [section API] [list_begin definitions] [call [cmd ::tcl::chan::random] [arg seed]] This command creates a new random channel and returns its handle. The seed is a list of integer numbers used to initialize the internal feedback shift register of the generator. [list_end] [vset CATEGORY virtchannel] [include ../common-text/feedback.inc] [manpage_end]