Ivan Jager wrote: > On Mon, May 30, 2011 at 01:08:19PM -0500, lrhorer scribbled: >> In bash, the default when outputting to stdout is to wrap any lines >> wider than the console display. Is there a way to suppress this? > > Bash isn't doing the line wrapping. That's your terminal > emulator. For example, if you're using screen, you can use ^A^R > to turn off line wrapping. With xterm you can use the +aw option. > Check the manual for your terminal emulator.
Normally it's a bash shell in a KDE window. There doesn't seem to be any setting for line wrap. >> During script execution, I want certain lines to be overwritten. >> This can be accomplished with the /r escape sequence rather than /n, >> but if the line is longer than the width of the display, it will >> still scroll the display. >> >> On a related note, bash doesn't seem to be setting the $COLUMNS >> variable >> correctly in a sub-shell. At the console, the $COLUMNS variable >> contains the correct terminal width. If I change the terminal width, >> the $COLUMNS variable updates accordingly. If I run a bash script, >> however, this feature no longer works. The $COLUMNS variable remains >> null no matter what I try: > > If you run a bash script, that's not a subshell. It's a > completely separate, noninteractive shell. And you don't get > $COLUMNS because it's a noninteractive shell. > > You could try stty -a or something like that... I submitted a bug report, and the maintainer suggested using COLUMNS=$( tput cols ) He has submitted a request to update the man page, making it clear the checkwinsize utility does not work in a non-interactive shell. (Why, by the way, doesn't it? I don't understand why a `kill SIGWINCH <proc>` doesn't work.) -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
