needle -filter
Peter Rice
pmr at ebi.ac.uk
Tue Jun 10 10:53:16 UTC 2003
Jan T. Kim wrote:
> needle <file>:abc <file>:xyz
>
> will not work with input streams. Perhaps, such capability could be
> implemented by defining some special name for the "standard input file"
> or "standard input database"? I haven't found such a thing in the USA
> specification, but perhaps, that's already invented?
There is a special name - stdin - but it can only be opened once.
How many Unix commands do read more than one input stream from stdin?
Peter
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