Jan 25, 2013 · How to create and redirect file descriptors other than stdin/stdout/stderr using Tcl?

ChannelId must be an identifier for an open channel such as a Tcl standard channel (stdout or stderr), the return value from an invocation of open or socket, or the result of a channel …

On a related note we use the following command to redirect any command producing stdout output to a tcl variable. It works by redirecting to a temporary file, although to do this it uses …

To refer to this output filehandle in Tcl, use the string stdout when using puts. Show discussion

Feb 5, 2022 · In plain Tcl, a command can be redefined by renaming it into a safe name, and creating a wrapper proc that calls the original command at the safe name - or not at all, …

Dec 19, 2018 · > stdout redirects the output to a file named 'stdout', not to the stdout file descriptor. >@ stdout redirects the output to the fileId stdout, and will print to the current …

The standard output channel is named stdout and is used by puts. The standard error channel is named stderr and is used for reporting errors. In addition, the standard channels are inherited …

Jan 31, 2014 · Here's the first one which was called 'transforming stdout'. It's an example of (misusing) a transchan: We chan push a transformer onto stdout that intercepts writes and …

The Tcl standard channels (stdin, stdout, and stderr) can be configured through this command like every other channel opened by the Tcl library. Beyond the standard options described above …

Jan 14, 2013 · The puts command writes to stdout if you don't provide it with a channel name (and has worked this way since… well, since forever). If you want, you can put it in or leave it out; it …