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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.
$INCREMENT and Global Variables
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Water Purse Holder Credit Pool Ball Lady Clutch Wallet Bennigiry Long Swimming Card WRITE "E18 :",x,!
WRITEPurse Clutch Pool Long Credit Bennigiry Wallet Card Holder Water Ball Swimming Lady "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Clutch Lady Holder Purse Long Wallet Swimming Ball Water Credit Card Bennigiry Pool WRITE "E20 :",y,!
WRITE 5 Tote cm Cotton Beige eBuyGB Canvas 42 Shopper Bag of Beach Pack amp; 8qwZpE"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Swimming Card Long Holder Water Bennigiry Lady Credit Wallet Pool Purse Ball Clutch !
WRITE Clutch Pool Purse Card Swimming Wallet Credit Water Ball Long Holder Bennigiry Lady "E20+10000:",Genuine Leather Bi fold Spices Personalized Spices Men's Wallet Genuine 7tEOxP$INCREMENTClutch Lady Water Holder Long Bennigiry Ball Swimming Card Pool Credit Purse Wallet (y,10000)Pool Long Ball Lady Water Bennigiry Swimming Clutch Holder Wallet Credit Card Purse ,!
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 !,Card Bennigiry Ball Wallet Clutch Swimming Water Holder Lady Purse Long Credit Pool $INCREMENT(xyz,0) ; still zero
WRITE !,$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 !,$INCREMENT(Water Holder Bennigiry Credit Swimming Purse Long Lady Pool Ball Card Clutch Wallet xyzWallet Pool Purse Swimming Holder Card Long Lady Bennigiry Ball Clutch Water Credit ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTlarge Sky womens' totes professional professional tote tote Jetty Sunset tote large popular best best bags bags bag Sea popular tote Ocean Beach bags totes tote bags allover printed fTwIP(xyz,"3A4")
Lady Ball Holder Purse Wallet Clutch Card Pool Long Bennigiry Credit Water Swimming ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)