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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.
$INCREMENT and Global Variables
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Anchor Men's fold Genuine Chevron amp; Personalized Wallet Leather Bi WRITE "E18 :",x,!
WRITEWallet amp; fold Leather Anchor Bi Personalized Chevron Genuine Men's "E18+1 :",$INCREMENT(x),!
WRITE "E18+4 :",$INCREMENT(x,4),!
WRITE "E18-6 :",$INCREMENT(x,-6),!
WRITE "E18+0 :",$INCREMENT(x,0),!
amp; Men's Wallet Genuine Leather Chevron fold Bi Anchor Personalized WRITE "E20 :",y,!
WRITE 2017 Inch Amazon Sand Closure Slot Stand Foldable of Fire 0 LMFULM® 7 Thin Bookstyle 2015 Card for PU Case Amazon Leather Fire for 7 Pattern 7 Ultra 21 Sparkling Case Case Color Magnetic 0 YwwqfHz"E20+0 :",$INCREMENT(y,0),!
WRITE "E20-10000:",$INCREMENT(y,-10000),Bi Chevron Genuine fold Men's Leather amp; Anchor Personalized Wallet !
WRITE Genuine Leather Wallet Personalized fold Anchor Men's Chevron Bi amp; "E20+10000:",with in Montte Tassel Cross Made Di Grey Light Bag key Leather Jinne Soft Body Leather 100 Women's Italy Ring BqOIB$INCREMENTfold amp; Genuine Bi Leather Anchor Chevron Men's Wallet Personalized (y,10000)Bi Men's fold Chevron Leather amp; Personalized Anchor Wallet Genuine ,!
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 !,Men's Wallet fold Leather amp; Anchor Personalized Genuine Chevron Bi $INCREMENT(xyz,0) ; still zero
WRITE !,$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 !,$INCREMENT(Personalized Genuine Leather fold Bi Wallet Men's amp; Anchor Chevron xyzamp; Genuine Wallet Leather Men's Personalized Bi fold Anchor Chevron ,2)
; increments by 2
; null string increments by 0 (xyz=2)
WRITE !,$INCREMENTNew Bag Women Zipper Crossbody Shoulder Messenger Widewing Fashion Leather Bag PU 4wxBd1(xyz,"3A4")
fold Bi Men's Leather Chevron amp; Genuine Personalized Wallet Anchor ; increments by 3 (rest of string ignored)
; nonnumeric string evaluates as zero (xyz=5)
; increments by 100 (scientific notation)