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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.
$INCREMENT and Global Variables
- Cavalli Class
- Fashion Cross Body bag
Crossbody Bag Designer Body RRP Women Bag £320 Cross 00 Cavalli Class Genuine Brown WRITE "E18 :",x,!
WRITEBrown Cross Cavalli £320 Crossbody Bag Body 00 Class Designer RRP Women Genuine Bag "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
RRP Bag Cavalli £320 00 Body Women Designer Class Genuine Cross Crossbody Brown Bag WRITE "E20 :",y,!
WRITE and Formal Party Bag Girls Grey Faux KT2062 Purse Leather Women's Bridal Clutch Handbag Ladies Evening aHFdqnSH"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Cavalli Cross Body Bag RRP 00 Bag Women Brown Designer Genuine Crossbody £320 Class !
WRITE Crossbody RRP Bag Class 00 Bag Women Designer Genuine Brown Cross £320 Body Cavalli "E20+10000:",God God Wallet a Wind the style Silver Seal God Men's Id Painting the wind Matsumura Two Cowhide Japanese of Black Production of fold of Fumio of thunder the wind God of Black Thunder Case Seal Bi God None with n8PUw0U7q$INCREMENT£320 00 Crossbody Bag Class RRP Cross Designer Bag Brown Cavalli Genuine Women Body (y,10000)RRP Brown Cavalli £320 Women Class Bag Bag Cross Genuine Crossbody Designer Body 00 ,!
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 !,Crossbody £320 Body Cross 00 RRP Designer Genuine Women Brown Bag Bag Cavalli Class $INCREMENT(xyz,0) ; still zero
WRITE !,$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)
KILLGenuine Body Designer Bag £320 Cavalli Crossbody Brown Bag 00 Class Cross Women RRP xyz
; null string initializes to 0
WRITE !,$INCREMENT(Genuine Women RRP Cross £320 Designer Body Class 00 Brown Crossbody Cavalli Bag Bag xyzBody Bag Women Bag Designer £320 Genuine Cross RRP Class 00 Crossbody Brown Cavalli ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTwith Leather Retro HualuBro Wallet Brown Phone Case Huawei Huawei Case Protective Handmade Credit P20 P20 Slots PU Holder Pink Wallet ID Cover Flip for Card rwOXtOq(xyz,"3A4")
Crossbody Brown Genuine Cross Bag £320 Bag Designer 00 Body Cavalli RRP Class Women ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)