Do we need a new command? Why not just a window option log-file and if it is
set all panes in that window are logged? People who want everything logged can
set it globally. If we have a new command it is hardly different from pipe-pane.
-------- Original message --------
From: J Raynor <jxray...@gmail.com>
Date: 17/08/2013 03:41 (GMT+00:00)
To: Nicholas Marriott <nicholas.marri...@gmail.com>
Cc: tmux-users@lists.sourceforge.net
Subject: Re: patch allowing pipe-pane to write directly to a file
I've attached a patch that implements logging with a new command,
log-pane or logp. A -b flag will begin logging for the pane, -e will
end it, and -o will toggle it on/off, similar to pipe-pane. You can
specify the filename with -f, but if you don't, there's a default
that's set to "~/tmux-#S-#I-#P.log" with a logpane-default-logname
session option.
Logging can be made to happen automatically when a new pane is created
by setting the session option logpane-autolog to 1. It defaults to
off, though.
In order to allow things like #S and #P in the filename I had to alter
status_replace(). That function required a non-NULL client variable,
which won't always be available when setting the filename. I altered
it so that it will accept a NULL client. If client is non-NULL, it'll
behave as before. With a NULL, it'll use s, wl, and wp to replace
what it can.
I also added a function to cmd-string.c called
cmd_string_expand_path(). This expands a tilde or $var in the
filename. While cmd_string_parse() can do this, it leads to odd
quoting needs in conjunction with the status formatting. If you enter
~/file-#P (no quotes), then the #P gets chopped off because it's
assumed to start a comment. If you enter "~/file-#P" then
cmd_string_parse() won't expand the tilde. You'd have to get around
it by doing ~/file-"#P".
With the patch, each pane gets a logging filename and file descriptor,
initially set to NULL and -1. Only when logging is turned on for the
pane will the filename be set, and fd set to the return from open().
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