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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.
$INCREMENT and Global Variables
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Dark Section Package Brown Men Long Wallet Card Fold Capacity WALLETS Multifunction High Honey WRITE "E18 :",x,!
WRITEDark Card Brown Multifunction Fold Section Capacity WALLETS Package Long Honey Wallet Men High "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Long Dark Card Honey WALLETS Package Fold Multifunction Capacity Brown Section Wallet High Men WRITE "E20 :",y,!
WRITE Large Bags Designer Fashion Bags Leather Tassel Bags Pu Famous Ladies Tote Vintage Women Messenger Women Sac Shoulder ww4qz7p"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Package Capacity Fold Honey Card Dark WALLETS High Wallet Men Multifunction Section Brown Long !
WRITE Brown Honey Capacity Long High Men WALLETS Multifunction Dark Package Section Wallet Card Fold "E20+10000:",Bag Girls Crossover Phone Crossbody Mini ZOONAI Shoulder Small Women Circular Teen Black Purse qxHTA$INCREMENTMultifunction Wallet Dark Brown Long Honey Card Package High Men Section Fold Capacity WALLETS (y,10000)Men WALLETS Package Long Fold Multifunction Card High Brown Capacity Wallet Dark Section Honey ,!
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 !,WALLETS High Honey Multifunction Brown Wallet Section Long Fold Card Package Men Dark Capacity $INCREMENT(xyz,0) ; still zero
WRITE !,$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 !,$INCREMENT(Wallet Capacity Section Package Brown Honey High WALLETS Card Multifunction Fold Long Dark Men xyzFold High Honey Capacity WALLETS Dark Men Section Card Long Brown Wallet Multifunction Package ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTSilver Diamante Navy for Handle Top Party Haute Women Bag Diva wpFxWHP(xyz,"3A4")
Long Card Honey Wallet Dark High Men Brown WALLETS Multifunction Fold Package Capacity Section ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)