Command or Perl script for concatenating multiple files in a specific order listed in a txt file

Question

[adeena_hassan]

Assalm o alikum everyone!

I want to concatenate 100 of FASTA files present in single directory according to a specific order listed in a file by using perl kindly guide me how to do so ???

Is there any command to concatenate files into single file in such a way ???

Answer 1

[GenoMax]

Assuming the files are in order in file_of_files: cat file_of_files | xargs cat >> final.fa should work.

[adeena_hassan]

Thank you so much,, It works :)