The phrase "a file for each" is correct and usable in written English.
It can be used when referring to the organization or allocation of files, typically in a context where multiple items or subjects are being discussed, and each requires its own file.
Example: "For the project, we need to create a file for each team member to keep their documents organized."
Alternatives: "one file per" or "a separate file for each".
My very first hack at age 9 was noticing there was a file for each pilot, and I simply copied the pilot file for the good wingman 20 times, giving me a plentiful supply of the best wingmen from then on".
In this dataset, there is a file for each taxon, including all the proteins for organisms belonging to that taxon, except for rodents, mammals and human, which are distributed in individual files each.
The complete set of protein sequences was downloaded from Entrez Genome for each species, and a Pascal program was written to use the list of reciprocal best matches, create a file for each pair of protein sequences, extract the protein sequences, and put them in the appropriate files.
The sequences obtained in this project are publicly available in the MG-RAST database and were organized in a file for each sample, named according to the site of origin, and a file containing the assembler of all reads (http://metagenomics.anl.gov/linkin.cgi project=1274).anl.gov/linkin.cgi project=1274
(they usually have a card or a file for each client like a doctor or psychiatrist).
Make a file for each child with all his or her paperwork (school records, immunizations, birth certificate).
It's always a good idea to write down the website names you signed up with, and set up a file for any correspondence from each site.
TCGA Data Portal [ 4] is the default gateway to retrieve data offering a text file for each processed sample belonging to a dataset generated using a given platform.
A national weight is included in a data file for each PAR and is called "WEIGHT", which is the product of an inverse of the probabilities of selection at each of the three stages.
Making a new file for each entry results in a lot of files, but makes organisation easier.
For this analysis, each category of sequence was assembled into a single file for each strain to generate an overall percentage of identity.
