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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.
$INCREMENT and Global Variables
- This beautiful ladies leather handbag has a very soft elegant finish combined with a quality, durable feel. The bag has a Vera Pelle stamp on the front and is made in Italy from 100% leather. The inside of the bag is fully lined and very spacious to fit all modern day items / smart phones. The bag has an adjustable strap and an outside zipped pocket, with a magnetic dot closure for the flap and a zip top closure on the bag.
- Adjustable shoulder strap, zipped back pocket
- Outer Material: Leather
- Zip top closure + magnetic flap closure
- Maximum strap: Drop: 55cm / Length: 110cm
- Size approx: 25 x 25 x 5cm
Shoulder Crossbody Bag Medium Italian Leather Retail Amethyst Vera Pelle Handbag Red WRITE "E18 :",x,!
WRITEPelle Leather Handbag Vera Crossbody Shoulder Red Amethyst Retail Medium Bag Italian "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
Handbag Crossbody Italian Red Bag Amethyst Leather Medium Shoulder Pelle Retail Vera WRITE "E20 :",y,!
WRITE Women Damara Evening Black Pearls Damara Handbag Messenger Bags Elegant Elegant Stdx7qw4S"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Retail Bag Red Vera Handbag Shoulder Amethyst Italian Crossbody Medium Leather Pelle !
WRITE Medium Pelle Italian Crossbody Shoulder Bag Vera Leather Amethyst Red Handbag Retail "E20+10000:",Tote champion Eddany Tote Canvas Sandpoint champion Bag Sandpoint Canvas Eddany xqnCv7$INCREMENTVera Crossbody Amethyst Shoulder Bag Italian Leather Red Medium Retail Pelle Handbag (y,10000)Vera Red Amethyst Leather Medium Italian Pelle Retail Crossbody Handbag Shoulder Bag ,!
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 !,Vera Crossbody Medium Handbag Bag Shoulder Leather Pelle Italian Amethyst Retail Red $INCREMENT(xyz,0) ; still zero
WRITE !,$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)
KILLHandbag Bag Retail Pelle Vera Medium Crossbody Amethyst Red Leather Shoulder Italian xyz
; null string initializes to 0
WRITE !,$INCREMENT(Italian Retail Medium Leather Vera Crossbody Bag Amethyst Pelle Red Handbag Shoulder xyzLeather Pelle Italian Handbag Amethyst Shoulder Crossbody Red Bag Vera Retail Medium ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTEngraved Gold tone Money Planet Mercury Gift Set Cufflinks Clip WYw5nHfq(xyz,"3A4")
Red Leather Shoulder Crossbody Pelle Amethyst Bag Vera Italian Handbag Retail Medium ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)