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Adds a specified increment to the numeric value of a variable.
WRITE !,result /* result is 8 (a+1) */
WRITE !,a /* variable a is also now 8 */
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You can use the
function to return the current value of a variable.
$INCREMENT and Global Variables
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'Flowers' Business Card 'Flowers' Holder Azeeda Wallet Card Credit Azeeda CH00017403 WRITE "E18 :",x,!
WRITEAzeeda 'Flowers' Card Azeeda Wallet Holder Credit Business 'Flowers' CH00017403 Card "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Credit 'Flowers' Business Azeeda Wallet CH00017403 Card 'Flowers' Azeeda Holder Card WRITE "E20 :",y,!
WRITE amp; Lady Leather Fur Fashion Shoulder Bag Handbag Faux nabati PU Girls 5qaIX"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Holder CH00017403 Wallet Card Card Credit Azeeda Business 'Flowers' Azeeda 'Flowers' !
WRITE Azeeda 'Flowers' Business 'Flowers' Card Holder Wallet Azeeda Credit CH00017403 Card "E20+10000:",Holder 'Spain Card Business Card Credit Wallet Country' Azeeda CH00010776 I6UxwdBB$INCREMENTHolder Business Credit Card 'Flowers' 'Flowers' Azeeda Wallet CH00017403 Azeeda Card (y,10000)Credit 'Flowers' Azeeda CH00017403 Wallet Holder 'Flowers' Business Azeeda Card Card ,!
WRITE "E20+1 :",$INCREMENT(y),!
Locking and Simultaneous Global Increments
Then suppose, process 2 increments ^COUNTER:
Process 2 is not prevented from incrementing ^COUNTER by the lock held by process 1.
$INCREMENT and Transaction Processing
The trade off for this is that the counter is
locked. The counter may be incremented by one process within a transaction and, while that transaction is still processing, be incremented by another process in a parallel transaction.
The following example increments the value of
. Note that
does not have to be a prior defined variable:
WRITE !,$INCREMENT(^||xyz) ; returns 1
WRITE !,$INCREMENT(^||xyz) ; returns 2
WRITE !,$INCREMENT(^||xyz) ; returns 3
WRITE !,$INCREMENT(^||xyz,3.14) ; returns 6.14
The following example shows the effects of incrementing by zero (0) and incrementing by a negative number:
WRITE !,$INCREMENT(xyz,0) ; initialized as zero
WRITE !,'Flowers' Credit Wallet 'Flowers' Card CH00017403 Holder Azeeda Azeeda Card Business $INCREMENT(xyz,0) ; still zero
WRITE !,$INCREMENT(xyz) ; increments by 1 (default)
WRITE !,$INCREMENT(xyz) ; increments by 1 (=2)
WRITE !,$INCREMENT(xyz,-1) ; decrements by -1 (=1)
WRITE !,$INCREMENT(xyz,-1) ; decrements by -1 (=0)
WRITE !,$INCREMENT(xyz,-1) ; decrements by -1 (=-1)
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; null string initializes to 0
WRITE !,$INCREMENT(Card 'Flowers' Business 'Flowers' Holder Card Credit Azeeda CH00017403 Wallet Azeeda xyz'Flowers' Credit Card Azeeda Holder Card Wallet Business 'Flowers' CH00017403 Azeeda ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTHolder Card Credit Card Bulldog' Azeeda Wallet CH00009489 'French Business wqZIxOtR(xyz,"3A4")
'Flowers' Card Card Credit Business Holder Azeeda CH00017403 Wallet 'Flowers' Azeeda ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)