09-20-2001
well thats way over my head. but it will give me alot to think about. i can follow you to a point. i have a lot to learn about scripting but this helps alot. asicly if i get what you put is the while true which will of course go on for ever, stops because it has this line
q|Q) tput rmso ; clear ; exit 0 ;; in the case statement
and the while true is killed when you enter q to exit.
please tell me if i have this right.
jerzey
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TPUT(1) BSD General Commands Manual TPUT(1)
NAME
tput, clear -- terminal capability interface
SYNOPSIS
tput [-T term] attribute [attribute-args] ...
DESCRIPTION
tput makes terminal-dependent information available to users or shell applications. The options are as follows:
-T The terminal name as specified in the terminfo(5) database, for example, ``vt100'' or ``xterm''. If not specified, tput retrieves
the ``TERM'' variable from the environment.
tput outputs a string if the attribute is of type string; a number if it is of type integer. Otherwise, tput exits 0 if the terminal has the
capability and 1 if it does not, without further action.
If the attribute is of type string, and takes arguments (e.g. cursor movement, the terminfo ``cup'' sequence) the arguments are taken from
the command line immediately following the attribute.
The following special attributes are available:
clear Clear the screen (the terminfo(5) ``cl'' sequence).
init Initialize the terminal (the terminfo(5) ``is2'' sequence).
longname Print the descriptive name of the user's terminal type.
reset Reset the terminal (the terminfo(5) ``rs1, rs2, rs3'' and ``rf'' sequence).
EXIT STATUS
The exit status of tput is based on the last attribute specified. If the attribute is of type string or of type integer, tput exits 0 if the
attribute is defined for this terminal type and 1 if it is not. If the attribute is of type boolean, tput exits 0 if the terminal has this
attribute, and 1 if it does not. tput exits 2 if any error occurred.
EXAMPLES
tput cl cm 5 10 clear the screen and goto line 5 column 10
tput cm 6 11 DC 6 goto line 6 column 11 and delete 6 characters
SEE ALSO
termcap(3), termcap(5)
HISTORY
The tput command appears in 4.4BSD.
BUGS
tput can't really distinguish between different types of attributes.
Not all terminfo entries contain the reset sequence, so using the init sequence may be more useful.
BSD
September 29, 2009 BSD