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Top Forums Shell Programming and Scripting Control cursor position also at bottom of window Post 303043676 by wisecracker on Monday 3rd of February 2020 04:53:32 PM
Old 02-03-2020
Hi Ralph...

Some terminals don't always follow terminal escape codes to the _letter_.
You could try and force the line prompt, force the cursor to the correct position and force clearing after the line prompt.
An example of the cursor forcing, it is just as easy to manipulate this to write the prompt and clear the line
Code:
printf "\033[12;36fSome prompt: \n"

 

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BNCHAT(1)							BNETD User's Manual							 BNCHAT(1)

NAME
bnchat - Battle.net text-based chat client SYNOPSIS
bnchat [options] [servername [serverport]] DESCRIPTION
bnchat is a simple Battle.net client emulator that can be used as a minimal chat client with bnetd(1) in order to test certain aspects of the server configuration or to do server administration from the Unix command line. It is also compatible with FSGS servers, but has diffi- culty with real Battle.net servers. If no servername is specified, localhost is assumed. If no serverport is specified, 6112 is assumed. OPTIONS
-a --ansi-color Allows bnchat to use ANSI terminal color escapes to make things more readable. You must be using a terminal compatible with VT100 positioning and ANSI color codes. The program will not attempt to determine your terminal type. -b Causes bnchat to emulate a Brood Wars client. -c --change-password Causes bnchat to prompt for a new login password on the bnetd(1) server. --client Causes bnchat to emulate a specific client. The following client tags are recognized: DRTL DSHR STAR SSHR SEXP W2BN. There are short options which may be used instead for the common clients. -d Causes bnchat to emulate a Diablo client. -h --help --usage Print usage information and exit. -k --cdkey Causes bnchat to report an alternate key to the bnetd(1) server. -o --owner Causes bnchat to report an alternate owner to the bnetd(1) server. -n --new-account Causes bnchat to prompt to create a new player account on the bnetd(1) server. -s Causes bnchat to emulate a Starcraft client. -v --version Print its version number and exit. -w Causes bnchat to emulate a Warcraft II BNE client. NOTES
The terminal width is attempted to be determined at runtime but if it does not work you may need to try running resize(1). As a final act of desperation you can try setting the COLUMNS environmental variable. If SIGWINCH and its associated ioctl(2) are supported on your system, resizing the window while the program is running should immediately update width of the entry line. The current version is available with the bnetd distribution at: http://www.bnetd.org/ BUGS
This program assumes that the terminal will move to the beginning of the current line when the carriage return character (^M) is printed. It also assumes the backspace character (^H) will move one column to the left that character printed after that will replace those already on the screen. The terminal settings are not consulted for keybindings. The following are assumed: ^H delete the character to the left of the cursor ^J accept current line ^M (return) accept current line ^T transpose the last two characters ^W delete word to the left of the cursor ^U delete the whole input line ^[ (escape) cancel the current input line ^? (delete) delete the character to the left of the cursor SEE ALSO
bnetd(1) AUTHOR
Ross Combs (ross@bnetd.org) BNETD
09 April, 1999 BNCHAT(1)
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