On Sat, Nov 13, 1999 at 10:14:56AM -0500, gnielson wrote:
> Hi,
>
> I have an ascii data file, using | as the field separator, and I want to
> be able to sort that file's 5th field, the price field, in descending
> order from highest to lowest price.
>
> I can not seem to get the sort command to accept the | field separator.
> I get the error: option '-t' requires an argument
>
> My command line is sort +4rn -5 -t| datafile.dat -o datafile.dat.sorted
>
> I am using r to sort in reverse order from highest number to lowest, and n
> to denote numeric field. I have been through the man pages and can not see
> what I am doing wrong. Any help much appreciated.
>
It probably thinks you are trying to pipe the output of sort into datafile.
Try sort +4rn -5 -t\| datafile.dat -o datafile.dat.sorted
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