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50 lines
1.4 KiB
Plaintext
50 lines
1.4 KiB
Plaintext
{{DISPLAYTITLE:_DEFLATE$}}
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The [[_DEFLATE$]] function compresses a [[STRING|string]].
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{{PageSyntax}}
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:{{Parameter|result$}} = [[_DEFLATE$]]({{Parameter|stringToCompress$}})
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{{PageDescription}}
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* {{Parameter|result$}} will contain the compressed version of {{Parameter|stringToCompress$}}.
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* To decompress the resulting string, use [[_INFLATE$]].
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==Availability==
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* '''Version 1.4 and up'''.
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{{PageExamples}}
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''Example 1:'' Compressing a long string of text.
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{{CodeStart}}
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a$ = "The quick brown fox jumps over the lazy dog. "
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{{Cl|PRINT}} "Original string (a$): "; a$
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{{Cl|FOR}} i = 1 {{Cl|TO}} 15
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a$ = a$ + a$
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{{Cl|NEXT}}
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{{Cl|PRINT}} "After concatenating it into itself several times, LEN(a$) ="; {{Cl|LEN}}(a$)
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b$ = {{Cl|_DEFLATE$}}(a$)
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{{Cl|PRINT}} "After using _DEFLATE$ to compress it, LEN ="; {{Cl|LEN}}(b$)
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{{Cl|PRINT}} {{Cl|USING}} "(compressed size is #.###% of the original)"; (({{Cl|LEN}}(b$) * 100) / {{Cl|LEN}}(a$))
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c$ = {{Cl|_INFLATE$}}(b$)
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PRINT "After using _INFLATE$ to decompress it, LEN ="; {{Cl|LEN}}(c$)
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{{CodeEnd}}
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{{OutputStart}}
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Original string (a$): The quick brown fox jumps over the lazy dog
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After concatenating it into itself several times, LEN(a$) = 1474560
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After using _DEFLATE$ to compress it, LEN = 4335
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(compressed size is 0.295% of the original)
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After using _INFLATE$ to decompress it, LEN = 1474560
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{{OutputEnd}}
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{{PageSeeAlso}}
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* [[_INFLATE$]]
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{{PageNavigation}}
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<
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