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- PROGRAM Ws87;
- {
- **********************************************************************
- Copy an 8-bit file to a 7-bit file, turning characters with bit 8
- set into 4-character octal escape sequences \nnn. This is useful in
- analyzing WordStar microcomputer word processor files.
-
- Usage:
-
- @WS87
- Old 8-bit file: filespec
- New 7-bit file: filespec
-
- [10-Oct-85]
- **********************************************************************
- }
- VAR
- fp8,fp7 : PACKED FILE OF integer;
- BEGIN
- Rewrite(output,'tty:');
- Write('Old 8-bit file: ');
- Reset(fp8,'':@,'/e/b:8');
- Write('New 7-bit file: ');
- Rewrite(fp7,'':@,'/e/b:7');
- WHILE NOT Eof(fp8) DO
- BEGIN
- IF fp8^ > 127 THEN
- BEGIN
- fp7^ := ord('\');
- Put(fp7);
- fp7^ := (fp8^ DIV 64) + ord('0');
- Put(fp7);
- fp7^ := ((fp8^ DIV 8) MOD 8) + ord('0');
- Put(fp7);
- fp7^ := (fp8^ MOD 8) + ord('0');
- Put(fp7)
- END
- ELSE
- BEGIN
- fp7^ := fp8^;
- Put(fp7)
- END;
- Get(fp8)
- END;
- END.
-