_DEFLATE$

The _DEFLATE$ function compresses a string.

Syntax

result$ = _DEFLATE$(stringToCompress$)

Description

• result$ will contain the compressed version of stringToCompress$.
• To decompress the resulting string, use _INFLATE$.

Availability

• Version 1.4 and up.

Examples

Example 1: Compressing a long string of text.

a$ = "The quick brown fox jumps over the lazy dog. " PRINT "Original string (a$): "; a$ FOR i = 1 TO 15 a$ = a$ + a$ NEXT PRINT "After concatenating it into itself several times, LEN(a$) ="; LEN(a$) b$ = _DEFLATE$(a$) PRINT "After using _DEFLATE$ to compress it, LEN ="; LEN(b$) PRINT USING "(compressed size is #.###% of the original)"; ((LEN(b$) * 100) / LEN(a$)) c$ = _INFLATE$(b$) PRINT "After using _INFLATE$ to decompress it, LEN ="; LEN(c$)

Original string (a$): The quick brown fox jumps over the lazy dog After concatenating it into itself several times, LEN(a$) = 1474560 After using _DEFLATE$ to compress it, LEN = 4335 (compressed size is 0.295% of the original) After using _INFLATE$ to decompress it, LEN = 1474560

See also

• _INFLATE$

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