21 lines
1.2 KiB
Rexx
21 lines
1.2 KiB
Rexx
/*REXX program demonstrates a method how to increment a numerical string*/
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count = "3" /*REXX variables (and constants) are character strings.*/
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count = 3 /*(identical to the above statement.) */
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count = count+1 /*strings in a numerical context are treated as numbers*/
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say 'sum=' count /*display the value of COUNT to the terminal (screen)*/
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/*────────────────── The default numeric digits for REXX is 9 digits. */
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/*────────────────── However, that can be increased with NUMERIC DIGITS.*/
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numeric digits 15000 /*let's go ka-razy with fifteen thousand digits. */
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count=copies(2,15000) /*stressing REXX's brains with lots of two's, */
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/*the above is considered a number in REXX. */
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count=count+3 /*make that last digit of COUNT a "5". */
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if 1==0 then /*let's not display this gihugeic number to term,*/
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say 'count=' count /*ya most likely don't want to display this thing*/
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/* [↓] show the six leftmost and rightmost digs.*/
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say 'count=' left(count,6)'···'right(count,6)
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/*stick a fork in it, we're done.*/
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