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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.
$INCREMENT and Global Variables
- 1.Made of durable canvas and cotton,lightweight for carrying.
- 2.Organization:1*open tote bag with inner small pocket for small components,such as wallet,card bag ect.
- 3.Tote Bag Dimension: Outer Size:42 CM X 34 CM (16.53" L * 13.38" W), Handle Length 26 CM;Inner Pocket Size: 20.5 CM X 23 CM;Weight:210g.
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Teacher Color Bags Print Advocator Work Tote Tote Daily Summer Bag Tote Beach Handles Shopping Canvas Durable 1 for Bag WRITE "E18 :",x,!
WRITECanvas Daily Shopping Bags Handles Bag Bag Durable Teacher Summer Color for Advocator Tote Beach Tote Tote Print Work 1 "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Bag Tote Bags Tote Bag Durable Tote Advocator Daily Canvas Shopping Print Teacher 1 Work Color Summer Beach for Handles WRITE "E20 :",y,!
WRITE Revets Damara Satin Womens silver Damara Paillette Bags Evening Womens Gauze nOqOTX4f"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Handles Bags Advocator Tote Color Shopping Tote Durable Work Summer Beach Canvas 1 for Bag Print Tote Bag Teacher Daily !
WRITE for Summer Tote Advocator Durable Tote Work Color Daily Print Bags Shopping 1 Handles Bag Tote Teacher Bag Beach Canvas "E20+10000:",Handbag Shoulder Monroe Women's Leather Bag YB001 NiaNia Totes Women's NiaNia wXzqvnY$INCREMENTColor Canvas Bag Shopping Tote Advocator Bag Daily Beach for Teacher Summer Work Tote Handles Bags Tote Durable 1 Print (y,10000)Bags Tote Work Tote Handles Summer Bag Bag Durable Tote Beach Color Print Shopping Canvas for Daily Teacher 1 Advocator ,!
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 !,Canvas 1 Durable Bag Tote Tote Tote Color Summer Shopping Teacher Daily Bag Beach Print for Advocator Bags Handles Work $INCREMENT(xyz,0) ; still zero
WRITE !,$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)
KILLDaily Bag Durable Bag Summer Handles Shopping Work 1 Advocator Teacher Bags Tote for Print Tote Tote Beach Color Canvas xyz
; null string initializes to 0
WRITE !,$INCREMENT(Color Shopping Durable 1 Bags Advocator Print Work Tote Tote Teacher Beach Daily Summer Tote for Canvas Bag Bag Handles xyzDaily Canvas Tote Print Shopping Tote for Teacher Tote 1 Work Color Advocator Summer Bag Bags Bag Handles Durable Beach ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTCity nbsp;cm Avenue 35 nbsp;cm Inner City Inner Avenue Rucksack Rucksack Champagne Hedgren 35 Hedgren twqzgF7zpx(xyz,"3A4")
Daily Tote Teacher Bag Tote for Color Print Advocator Canvas Bag Summer Shopping Handles Tote 1 Bags Durable Beach Work ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)