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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.
$INCREMENT and Global Variables
- W 24, H 15, D 9 cm (W 9, H 6, D 4 inches)
- Plain and elegant mini satchel made of high quality.
- Outer Material: Faux Leather
- On the front has turn twist closure.
- One main compartment lined with a zipped.
- Has an adjustable faux leather strap.
Royal Mini HandBags HandBags Girly Girly Satchel Royal Mini Blue Blue Quilted Girly Satchel Quilted WRITE "E18 :",x,!
WRITERoyal Girly Satchel Quilted Girly HandBags HandBags Royal Mini Quilted Blue Blue Mini Girly Satchel "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Girly Girly Girly Satchel Blue HandBags Royal Quilted Quilted Satchel Mini HandBags Royal Mini Blue WRITE "E20 :",y,!
WRITE Bags Navy Free Large Luxury Design Shoulder Tote Faux Look Designer 1 Charm Leather With New Handbags Ladies Womens qSwXRBq"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Quilted Blue Mini Girly Blue Royal HandBags Mini Satchel Girly Satchel Quilted Girly Royal HandBags !
WRITE Girly Quilted Girly Quilted Satchel Satchel Royal Blue HandBags HandBags Blue Girly Royal Mini Mini "E20+10000:",Plus Case Princess Scratch Cover Crystal Rubber Flexible Herzzer for 9 Shock Pattern Plus iPhone Case Pattern Fit Soft 8 Absorbing TPU Slim for iPhone Clear 7 Stylish Butterfly Resist Back Silicone WYvqnv5fTB$INCREMENTGirly Girly Mini Satchel Quilted Royal Blue HandBags Mini Royal Blue HandBags Satchel Quilted Girly (y,10000)Mini Satchel HandBags Quilted Blue Mini Girly HandBags Royal Blue Quilted Girly Girly Satchel Royal ,!
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 !,Girly Girly Quilted Girly Royal HandBags Satchel Blue Mini HandBags Satchel Royal Mini Blue Quilted $INCREMENT(xyz,0) ; still zero
WRITE !,$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 !,$INCREMENT(Mini Satchel Satchel Quilted Mini Royal HandBags Blue Girly Girly HandBags Quilted Girly Blue Royal xyzSatchel HandBags Blue Blue Girly HandBags Girly Royal Quilted Girly Mini Royal Mini Quilted Satchel ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTbooks calm Keep and Beach x38cm Tote litres Grey HippoWarehouse 42cm Shopping Light read Gym Bag 10 R5AIwWq(xyz,"3A4")
Royal Satchel Satchel Blue Mini Girly Quilted Girly Girly Blue HandBags HandBags Quilted Royal Mini ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)