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(less than)
If the number val1 is less than val2, the string returns 1; otherwise, it returns
0.
$(< , val1, val2)
The following expression gets the current value of HPANG; if the value is less
than the value stored in the system variable USERR1, it returns 1. If the value
10.0 is stored in USERR1 and the current setting of HPANG is 15.5, the
following string returns 0.
$( (greater than)
Sets menu echo and prompt control bits.
If the number val1 is greater than val2, the string returns 1; otherwise, it
returns 0.
$(>, val1, val2)
Quick Reference
System Variables
MENUECHO
!= (not equal to)
Sets menu echo and prompt control bits.
If the numbers val1 and val2 are not equal, the string returns 1; otherwise,
it returns 0.
$(!=, val1, val2)
< (less than) | 333