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F.2 String Manipulation Functions and Features |
Strings as buffers Strings can also be used store data into fixed length buffers. Over 30 million string overlays can be processed per second.
For example:
mybuf$ = space$(1024)
subtext$ = 'abcde'
start_pos = 1
for idx = 1 to 10
start_pos = overlay(mybuf$, subtext$, start_pos)
next idx
For high-speed string bulding, Sheerpower includes the JOIN() function. the format is:
new_pos = join(string_var$, string1$, string2$, ...) up to 15 strings at a time.
numbers$ = ''
for i = 1 to 100_0000
newlen = join(numbers$, str$(i), ' ')
next i
print 'Length: '; len(numbers$)
print 'Elapsed: '; _elapsed
The code below contains an example of some of the major string functions.
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