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Programming >> Liberty BASIC language >> DATE$() return type
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DATE$() return type
Post by Richard Russell on Jun 2nd, 2015, 2:13pm

The Liberty BASIC DATE$() function is a little unusual in sometimes returning a string and sometimes returning a number, depending on the parameter supplied. Indeed that feature seems to confuse LB 4.04, for example it will accept the following code without error:

Code:
    count$ = date$("days")

You would expect that to raise a 'Type mismatch' error (since it is attempting to assign a numeric value to a string variable) but it doesn't. However it leaves LB in a confused state because an error may be raised in a subsequent statement that accesses the count$ variable.

For maximum compatibility, LBB will accept both these forms without generating an error, and the resulting variable (whether numeric or string) is entirely valid:

Code:
    count = date$("days")  ' correct according to the LB help documents
    count$ = date$("days") ' equivalent to count$ = str$(date$("days"))

Richard.