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CU Amiga Super CD-ROM 18
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CU Amiga Magazine's Super CD-ROM 18 (1997)(EMAP Images)(GB)[!][issue 1998-01].iso
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csv-norm.e
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1995-06-18
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1KB
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43 lines
/* A suitably large size for the record buffer */
CONST BUFFERSIZE=512
PROC main()
DEF filehandle, status, buffer[BUFFERSIZE]:STRING, filename
filename:='datafile'
IF filehandle:=Open(filename, OLDFILE)
REPEAT
status:=ReadStr(filehandle, buffer)
/* This is the way to check ReadStr() actually read something */
IF buffer[] OR (status<>-1) THEN process_record(buffer)
UNTIL status=-1
/* If Open() succeeded then we must Close() the file */
Close(filehandle)
ELSE
WriteF('Error: Failed to open "\s"\n', filename)
ENDIF
ENDPROC
PROC process_record(line)
DEF i=1, start=0, end, s
/* Show the whole line being processed */
WriteF('Processing record: "\s"\n', line)
REPEAT
/* Find the index of a comma after the start index */
end:=InStr(line, ',', start)
/* If a comma was found then terminate with a NIL */
IF end<>-1 THEN line[end]:=NIL
/* Point to the start of the field */
s:=line+start
IF s[]
/* At this point we could do something useful... */
WriteF('\t\d) "\s"\n', i, s)
ELSE
WriteF('\t\d) Empty Field\n', i)
ENDIF
/* The new start is after the end we found */
start:=end+1
INC i
/* Once a comma is not found we've finished */
UNTIL end=-1
ENDPROC