UBI EasyCoder 201 IIE Manuale delle Istruzioni Scaricare il pdf (Pagina 113)

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Intermec Fingerprint v7.61 – Programmer’s Reference Manual Ed. 7 111

Chapter 2 Program Instructions

GETPFSVAR

Field of Application

Function for recovering saved variables.

Syntax GETPFSVAR(<sexp>[,D])

<sexp> is the name of the variable (uppercase characters only).

D optionally specifies that the variable is to be deleted

after recovery.

Remarks

This function is used to recover variables registered to be saved at power

failure by means of a SETPFSVAR statement and returns either -1 on

success or 0 at failure.

If a D ﬂ ag is included, the variable is deleted after it has been recovered.

This can be used to make sure that the variable is up to date and that no

old obsolete value is recovered.

Related instructions are SETPFSVAR, DELETEPFSVAR, and LIST-

PFSVAR.

Example

10 IF NOT GETPFSVAR("QS$") THEN QS$ ="<this is

the default vaule, set a new one>"

20 IF NOT GETPFSVAR("QCPS%") THEN PRINT "No

copies available":END

30 QSTATUS%=GETPFSVAR("AWE$",D):IF QSTATUS%

THEN PRINT "Recovered successfully!"

40 SETPFSVAR "QCPS%"

50 ’Build label

60 .....

99 PRINTFEED; QCPS%=QCPS%

100 .....

1 2 ... 108 109 110 111 112 113 114 115 116 117 118 ... 331 332

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UBI EasyCoder 201 IIE Manuale delle Istruzioni Pagina 113

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