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SORTF.DOC
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1984-06-06
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SORTF Command
-------------
Purpose: This command reads data from an ASCII file, sorts the
records, and writes the data to another file.
Format: SORTF [d:][path]fname[.ext] [d:][path]fname[.ext] [/R][/+nnn]
Remarks: Records read from the input file ending with a carriage
return and line feed are considered logical records and may
be up to 255 characters in length.
The records are sorted into ascending ASCII character order
unless /R is supplied to reverse the order.
The key is taken from the first character position, unless
the /+ operand is used to specify the location of the key
within the records. The position may be a value from one
to 255. The first 12 characters at that position are used
as the record key.
For example, to sort a file in descending order with the
keys in position 10:
SORTF TEST.DAT TEST.SRT /R/+10
Depending on the amount of memory available, up to 40000
records, or a file of 16-Mb, may be sorted.
The advantages of using SORTF instead of the SORT filter are:
- files larger than 63K may be sorted
- less time is required
For best results, place the input file on the fastest
available drive, e.g. RAM disk.
Notes: Written for the IBM PC using DOS 2.0 or later,
by Vernon Buerg. For public domain use.
Version 1.4, June 6, 1984.