Mail Archives: cygwin/2007/02/06/10:48:39
On 2/5/07, Gary Johnson wrote:
> On 2007-02-05, Gary Johnson wrote:
> > I recently got Cygwin's sshd running on my Windows XP machine. It
> > seems to basically work fine, allowing me to login from any of
> > several machines running various flavors of Unix. Cygwin's less
> > command, however, doesn't seem to recognize the capabilities of my
> > remote terminal.
> >
> > For example, I often use ssh to login to my Windows machine from
> > another machine running SunOS 5.8, using an xterm version "XFree86
> > 4.1.0(165)". When I use less to read a file, I get a warning
> > message:
> >
> > $ less /usr/share/doc/Cygwin/terminfo-5.5_20061104.README
> > WARNING: terminal is not fully functional
> > /usr/share/doc/Cygwin/terminfo-5.5_20061104.README (press RETURN)
>
> Update: If I simply set TERM=xterm (instead of xterm-16color), less
> works fine:
>
> TERM=xterm less /usr/share/doc/Cygwin/terminfo-5.5_20061104.README
>
> The difference between the two terminfo entries is:
<snip>
> That xterm-16color terminfo is from Cygwin's /usr/lib/terminfo. The
> xterm-16color terminfo from the xterm-165 release that I have on the
> Sun machine is different, but its setb and setf strings also lack
> the leading \E's. The same is true for the xterm-16color terminfo
> from a Red Hat Linux 9 machine with xterm-174.
>
> This is just a guess, but I wonder if the setb and setf entries are
> long-standing errors in the xterm terminfo data that haven't been
> detected because applications use setab and setaf instead. But then
> why does only Cygwin's less complain?
The cygwin-distributed less doesn't use terminfo. It was built with
-ltermcap. The cygwin-distributed /etc/termcap doesn't have an entry
for xterm-16color. Thus, less complains. Possible solutions inlclude
adding an xterm-16color line to /etc/termcap (could just be an
additional alias to xterm), or installing libncurses-devel,
downloading the less source package and building it yourself (the
build process will automatically use ncurses if it's available).
Lev
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