On Tue, July 29, 2008 12:37 pm, Eric Blake wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > According to Corinna Vinschen on 7/28/2008 9:27 AM: > |> # check the window size after each command and, if necessary, > |> # update the values of LINES and COLUMNS. > |> shopt -s checkwinsize > |> > |> would it work in cygwin? Also; > | > | Looks like bash on Cygwin doesn't set LINES and COLUMNS. Eric? > > Hmm. Right now, bash _does_ set LINES and COLUMNS (as shell variables, > you have to export them for children to see), but only after the first > SIGWINCH, or if you have 'shopt -s checkwinsize', after the first > non-builtin-command (ie. if checkwinsize is set, bash does not check > window size after builtins - how weird is that?). At any rate, I already > have a cygwin-specific patch for the upstream bug that lib/sh/winsize.c > forgot to include <termios.h>. And blindly setting checkwinsize seems > like it would slow things down: since SIGWINCH works (I tested in both cmd > and urxvt), there is no need to slow down bash to check window size after > every single command, when only window size changes are necessary. > checkwinsize is primarily for those platforms that lack SIGWINCH. > > At any rate, you've given me an idea. Add this to /etc/profile, and > $LINES and $COLUMNS will be automatically populated for all users, > regardless of whether they use 'shopt -s checkwinsize': > > kill -s WINCH $$
Hi Eric, So, let me get this straight, you _don't_ want/need me to add the shopt but you would like me to add the kill instruction? J.
