what happens when blast is run with default query "-"?

I have seen cmdline blast been used like:

blastx -db my_blast_db_path -query - -evalue 1e-3 -outfmt 6 -max_target_seqs 1

What's the purpose running blastx without query? Does it do anything?

blast blastx

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written 8.8 years ago by chefarov

1 answer

It reads the query from stdin - from standard input meaning terminal or redirected input such as pipe "|" or input "<"

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written 8.8 years ago by Asaf

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