Timeline for Create new concatenated files of same name in multiple directories

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Apr 5, 2018 at 17:30	comment	added	user284592		I've now also tried what is posted from steeldriver (amended by Kusalananda), which sounds like what I want, but I don't know enough about the syntax to understand what went it wrong. I produced new files but only concatenated two files and there are many more matching in other sub-directories.
Apr 5, 2018 at 17:08	history	edited	Kusalananda♦	CC BY-SA 3.0	added 266 characters in body
Apr 5, 2018 at 17:07	comment	added	steeldriver		Thanks yes I realized that after it was too late to edit the comment - I guess I had in mind that the OP might want to name the aggregate files something like `basename_all.fasta`
Apr 5, 2018 at 17:05	comment	added	Kusalananda♦		@steeldriver Yes, that would also work, except you're doing some unnecessary filename suffix juggling there. I'll add that as an alternative.
Apr 5, 2018 at 16:42	comment	added	user284586		Thank you all for your replies, but I'm still having issues. The file.list is empty when I try that option. Also, just the be clear, the result will be hundreds of concatenated files - made from numerous files of the same prefix.
Apr 5, 2018 at 16:27	comment	added	steeldriver		Hmm... shouldn't something like `find dir -name '*.fasta' -exec sh -c 'for f; do cat "$f" >> "$(basename "$f" ".fasta").fasta"; done' sh {} +` work also?
Apr 5, 2018 at 16:23	history	edited	Kusalananda♦	CC BY-SA 3.0	added 268 characters in body
Apr 5, 2018 at 16:13	history	answered	Kusalananda♦	CC BY-SA 3.0