11-23-2003
tput can be used to reset terms, position cursor placement and other terminfo functions. Keep in mind that the forum that you posted to is for "C Programming", tput would be used in shell/CLI (command line interface) programming. If you are wanting to write a program that can run menus etc. on any terminal type, UNIX Curses is what you would use. A 'man curses' would give you more information. There are numerous examples on the web:
http://heather.cs.ucdavis.edu/~matlo...age/Curses.pdf
Such things as move(x,y) let's you move the cursor to the point of the screen you need to. It is important to remember to get the capabilities of your screen with such things as getmaxyx().
While at motorola, we used curses based programs with great success to minimize the technology on the production floor - much easier to replace a dumb terminal hanging off a term server than a pc or UNIX system.
Cheers,
Keith
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test(1) General Commands Manual test(1)
Name
test - test conditional expression
Syntax
test expr
[ expr ]
Description
The command evaluates the expression expr. If the value of expr is true, the command returns a zero exit status; otherwise, it returns a
nonzero exit status. The command also returns a nonzero exit status if no arguments are specified.
Options
The following primitives are used to construct expr:
-r file Tests if the file exists and is readable.
-w file Tests if the file exists and is writable.
-f file Tests if the file exists and is not a directory.
-d file Tests if the file exists and is a directory.
-s file Tests if the file exists and has a size greater than zero.
-t [ fildes ] Tests if the open file, whose file descriptor number is fildes (1 by default), is associated with a terminal device.
-z s1 Tests if the length of string s1 is zero.
-n s1 Tests if the length of the string s1 is nonzero.
s1 = s2 Tests if the strings s1 and s2 are equal.
s1 != s2 Tests if the strings s1 and s2 are not equal.
s1 Tests if s1 is not the null string.
n1 -eq n2 Tests if number1 equals number2.
n1 -ge n2 Tests if number1 is greater than or equal to number2.
n1 -gt n2 Tests if number1 is greater than number2.
n1 -le n2 Tests if number1 is less than or equal to number2.
n1 -lt n2 Tests if number1 is less than number2.
n1 -ne n2 Tests if number1 is not equal to number2.
These primitives can be combined with the following operators:
!expr Negates evaluation of expression.
expr -a expr Tests logical and of two expressions.
expr -o expr Tests logical or of two expressions.
( expr... ) Groups expressions.
The -a operator takes precedence over the -o operator. Note that all the operators and flags are separate arguments to Note also that
parentheses are meaningful to the Shell and must be escaped.
See Also
find(1), sh(1), test(1sh5)
test(1)