1

I want to apply the following command to all the files in the current directory

clustalw -align -infile=*here goes the input filename* -outfile=*here goes the output filename*

I also want the output filename to be the same as the input plus ".aln". For example:

clustalw -align -infile=nexus0000.fna -outfile=nexus000.fna.aln

Thanks for the help!

4

You could use for loop and globbing by filename extension:

for file in *.fna; do
    clustalw -align -infile="$file" -outfile="$file.aln"
done

If you want to use a single command, you can use find:

find . -maxdepth 1 -type f -iname "*.fna" -exec clustalw -infile {} -outfile {}.aln  \;
  • 3
    If you want the equivalent of -iname "*.fna", that would be for file in *.[fF][nN][aA] or use the extensions that some shells have for case insensitive globs. Note that find will include dotfiles though shell globs won't by default. – Stéphane Chazelas Aug 10 '17 at 20:00

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