Strange tab-completion behavior with zsh in screen

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# 1  
Old 11-19-2010
Strange tab-completion behavior with zsh in screen

I'm running Mac OS, using the latest version of zsh.

I've noticed that I have funny tab-completion behavior when inside a screen session.

Specifically, once I press tab, the first part of my command seems to be duplicated before the completion results are inserted.

For example, if I type
cd ~<TAB>

the contents of my command line will be replaced with
cd ~cd ~/

Strangely, this superfluous stuff doesn't affect the command: the interpreter still reads the command as
cd ~/

but it can be confusing at times, and it's certainly annoying to have my computer doing something I didn't intentionally program and cannot figure out.

Any ideas what's up?

Let me know if anybody wants to see any of my rc files.

Thanks all.
# 2  
Old 11-19-2010
Perhaps your TERM variable does not match what is running, so the command line edit features are displaying a mess?
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# 3  
Old 11-19-2010
echo $TERM

returns "xterm-color", which is I believe declared by a setting in the preferences of my

The same command within a screen session returns "screen".
# 4  
Old 11-19-2010
have you resized your window by any chance?
If so, you might want to run 'resize' from the shell. I don't know where 'resize' lives under MacOS, but on Solaris it's under /usr/openwin/bin directory.
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# 5  
Old 11-19-2010
I ran "locate resize" and it seems the only resize on my computer is part of xterm.

What exactly does it do?

By the way, I noticed that the behavior doesn't occur for every tab-completion request: only when the zsh list of possible matches comes up does this occur.

In cases where there is only one possible match and it doesn't display a list to the user, the command line is unchanged.

Thus I can type
cd ~<TAB>

and it properly autocompletes "~" to /Users/myusername/, with no doubling. If I press tab again (which returns a list of the contents of ~/), the problem occurs.


will cause doubling without having to press tab a second time.
# 6  
Old 11-19-2010
here's the man resize, but I'm not sure if there's one fo MacOS...
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# 7  
Old 11-20-2010
Well, if the screen does not support the control characters defined for xterm-color or screen, the $TERM can create such anomalies. Try other export TERM=model, like xterm-color for screen and vice-versa, or something simpler like vt100, XTERM. I am assuming zsh does something sane on the proper term type. I am not a zsh user yet.
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