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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.
$INCREMENT and Global Variables
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Wallet Lady Purse Card Swimming Long Holder Bennigiry Clutch Credit Ball Water Pool WRITE "E18 :",x,!
WRITELong Purse Ball Swimming Holder Credit Clutch Wallet Lady Card Water Bennigiry Pool "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Pool Purse Bennigiry Ball Lady Long Holder Clutch Water Swimming Credit Wallet Card WRITE "E20 :",y,!
WRITE Bag KERVINFENDRIYUN Color Evening Pearl Crossbody Banquet Women's Champagne Ladies Handbag Creamy Luxury Clutch white Shoulder rzwzIZxP"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Holder Water Lady Pool Card Purse Wallet Long Bennigiry Clutch Ball Credit Swimming !
WRITE Lady Long Card Bennigiry Holder Wallet Credit Pool Ball Purse Swimming Clutch Water "E20+10000:",Handbag Strap Sand Shoulder CASPAR Detachable Business TS561 Women with Bag RSwCqf$INCREMENTCredit Card Bennigiry Pool Holder Purse Clutch Lady Wallet Water Ball Swimming Long (y,10000)Water Card Credit Clutch Pool Long Wallet Lady Swimming Bennigiry Holder Purse Ball ,!
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 !,Lady Bennigiry Card Long Ball Holder Wallet Water Credit Clutch Swimming Purse 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)
KILLCredit Long Holder Ball Bennigiry Lady Wallet Pool Purse Water Clutch Card Swimming xyz
; null string initializes to 0
WRITE !,$INCREMENT(Lady Pool Holder Ball Swimming Water Card Clutch Purse Long Wallet Credit Bennigiry xyzPool Long Card Wallet Water Lady Holder Bennigiry Ball Purse Swimming Clutch Credit ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTGenuine Large Wallet Wallet Black Valentini Matt Genuine Black Men's Soft Men's Matt Soft Large Leather Leather fRSAwq(xyz,"3A4")
Credit Ball Bennigiry Swimming Water Clutch Card Holder Long Wallet Lady Purse Pool ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)