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SORTHLP.FUN
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1993-01-04
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1KB
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{ Help message procedure for SORT.PAS }
procedure helpmsg; begin
writeln(' SORT -- Merge and sort multiple text files');
writeln(' Copyright, 1988, by J. W. Rider ');
writeln(' Syntax : SORT [options] [<unsorted-file-spec> ... ]');
writeln(' Available options are:');
writeln(' "/r" -- reverses the sense of the sort.');
writeln(' "/+#" -- sorts the lines from the data in column #.');
writeln(' (a second # defines the last column of the key field.)');
writeln(' "/b" -- ignores leading blanks (spaces, tabs) in determining ');
writeln(' the key.');
writeln(' "/c" -- makes the sort case-insensitive ("a"="A").');
writeln(' "/d" -- ignore non-alphanumerics in comparisons.');
writeln(' "/f" -- key defined by "awk" fields vice columns.');
writeln(' "/h" -- displays this help message rather than sort input.');
writeln(' "/k" -- output sort keys only vice input lines.');
writeln(' "/n" -- sorts the lines numerically vice alphabetically.');
writeln(' "/u" -- "unique", eliminates multiple copies of identical lines.');
writeln(' "/tC" -- makes "C" the field delimiter vice tab and space.');
writeln(' If first filename is missing or is "-", reads from standard');
writeln(' input. Writes to standard output.');
end;