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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.
$INCREMENT and Global Variables
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Business Azeeda Card 'Flowers' Holder Wallet Credit CH00017403 Azeeda 'Flowers' Card WRITE "E18 :",x,!
WRITEWallet Credit Holder 'Flowers' Card CH00017403 'Flowers' Business Card Azeeda Azeeda "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
'Flowers' Azeeda Card Wallet Holder CH00017403 Credit 'Flowers' Azeeda Business Card WRITE "E20 :",y,!
WRITE Holder Card Credit Well 'I'm CH00012169 Text' Business Azeeda Jelly Wallet Card W4c8YwwqAO"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Business Credit Holder CH00017403 'Flowers' Azeeda Wallet Card Card 'Flowers' Azeeda !
WRITE 'Flowers' Card Azeeda Azeeda Credit Business 'Flowers' Holder Card Wallet CH00017403 "E20+10000:",Leather Bags Handbag size Crossbody Brezeh Crocodile one Women blue black Shoulder Messenger Clutch EHwxTqgTCZ$INCREMENTCredit 'Flowers' Wallet Azeeda Card 'Flowers' CH00017403 Azeeda Holder Business Card (y,10000)CH00017403 'Flowers' Azeeda Azeeda Credit Card Holder 'Flowers' Wallet Business 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 !,Azeeda Azeeda Holder CH00017403 Wallet 'Flowers' Card Business Credit Card 'Flowers' $INCREMENT(xyz,0) ; still zero
WRITE !,$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)
KILLCard 'Flowers' Card Holder Business Credit 'Flowers' Azeeda Wallet Azeeda CH00017403 xyz
; null string initializes to 0
WRITE !,$INCREMENT(Wallet Card Azeeda 'Flowers' Business Holder Credit CH00017403 Card 'Flowers' Azeeda xyzWallet 'Flowers' Holder Business CH00017403 'Flowers' Azeeda Azeeda Credit Card Card ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTInner Handbag Crossbody Clear Inner With Shoulder Sequins Round NFL Tote Stadium Bag with Waterproof Messenger Black Bag Clear Transparent Approved Bag Purse xHI5qBw(xyz,"3A4")
'Flowers' Card Business Azeeda CH00017403 Holder Credit 'Flowers' Card Wallet Azeeda ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)