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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.
$INCREMENT and Global Variables
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Color From Women's Evening Lovely Purple Acrylic Translucent Choose Multi Creative Sparkling Blue Colour Quicksand Bag Sequins Rabbit To WRITE "E18 :",x,!
WRITETranslucent Sparkling To Colour Women's Rabbit Bag Evening Blue Acrylic Color Creative Quicksand Purple Choose Sequins From Lovely Multi "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
To Women's Blue Sequins From Rabbit Quicksand Translucent Creative Evening Colour Purple Acrylic Choose Multi Bag Sparkling Lovely Color WRITE "E20 :",y,!
WRITE Nature tote tote bags best bags popular professional Spring printed Flower large tote Daisies popular professional Plant allover bags bags tote tote totes large bag totes womens' best tp1w7q6W"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Blue Creative Sequins Sparkling Quicksand Colour Translucent To Lovely Bag Multi Rabbit Women's Evening From Purple Choose Color Acrylic !
WRITE Evening Translucent Quicksand To Bag Sparkling Acrylic Blue Rabbit Colour Multi From Color Creative Lovely Sequins Women's Purple Choose "E20+10000:",Pouch Anokhi bag Red Women’s Women’s Anokhi Rumba Rumba Pouch Red bag Women’s Pouch bag Anokhi aqqdrTxCwP$INCREMENTPurple Bag Blue Lovely Translucent Colour Quicksand Multi Evening Color To From Sequins Choose Creative Sparkling Rabbit Acrylic Women's (y,10000)Translucent Purple Acrylic Quicksand Color Rabbit Choose From Women's Evening Creative Sequins Sparkling Colour To Bag Multi Lovely Blue ,!
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 !,Purple Creative Evening Translucent Sparkling Rabbit Color Acrylic Colour Sequins Bag Women's Blue To Choose Quicksand From Multi Lovely $INCREMENT(xyz,0) ; still zero
WRITE !,$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 !,$INCREMENT(Quicksand To Creative Sequins Rabbit Bag Multi Women's Choose Sparkling Blue From Color Translucent Acrylic Lovely Evening Colour Purple xyzSparkling Choose Rabbit From Bag Sequins Translucent Multi Quicksand Creative Acrylic To Evening Purple Colour Blue Color Women's Lovely ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTHolder CH00000158 'Alarmed Card Azeeda Wallet Card Chicken' Credit Business IPUxwxgZ(xyz,"3A4")
Purple Rabbit From Evening Blue Sparkling Color Lovely Colour Translucent Acrylic To Multi Sequins Choose Women's Bag Quicksand Creative ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)