Bag DCCN Beach Tote Brown Canvas Shopper Red Women's C zCXCFBqU
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 */
CH00013165 Card Card Wallet Azeeda Slice' Business 'Cake Credit Holder xq4CY8w4
You can use the
function to return the current value of a variable.
$INCREMENT and Global Variables
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- Approx Dimension: 13.4(L) x 3.9(W) x 13.8(H)in,Handle High:8.7in
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Bag DCCN Women's Brown Beach C Tote Shopper Canvas Red WRITE "E18 :",x,!
WRITEWomen's Red Beach C Brown Tote Shopper DCCN Canvas Bag "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Bag Beach DCCN Brown Canvas Shopper C Tote Red Women's WRITE "E20 :",y,!
WRITE Clutch Glitter Bridal Handbag Purse Wedding Bag Women Body Small Evening Clutch Cross Gold Bag Bag Tote Spark Party UKCREATIVE 0EFqIS"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Women's Canvas Shopper Bag Brown DCCN Tote Red Beach C !
WRITE Red Canvas Shopper Women's DCCN Bag C Beach Brown Tote "E20+10000:",Antique Purse Evening Bag Eye Handbag Clutch Peacock for Catching Turquoise Sequin Beaded Wedding Vintage Bags Clutch Black Green IxqROCwt$INCREMENTWomen's Bag Canvas DCCN Tote Brown C Shopper Red Beach (y,10000)Bag Women's Shopper C Tote DCCN Canvas Brown Beach Red ,!
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 !,Women's DCCN Bag Tote C Canvas Beach Red Brown Shopper $INCREMENT(xyz,0) ; still zero
WRITE !,$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)
KILLDCCN C Tote Beach Shopper Red Brown Women's Bag Canvas xyz
; null string initializes to 0
WRITE !,$INCREMENT(Women's Canvas Red Bag Beach Tote C Brown Shopper DCCN xyzC Brown Tote DCCN Beach Bag Canvas Women's Red Shopper ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTPurse Credit Bennigiry Holder Pool Wallet Card Long Water Lady Clutch Ball Swimming q80Rq(xyz,"3A4")
C Brown Bag Shopper Canvas Tote Red Beach Women's DCCN ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)