Concatenated Text File Splitter A handy utility for SEQUEST that splits concatenated files and re-creates individual files
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Concatenated Text File Splitter Tags

spectra dat summarize SEQUEST SEQUEST generator SEQUEST SEQUEST splitter concatenated file spliitter split spectra

Concatenated Text File Splitter Description

When analyzing tandem mass spectral data files with SEQUEST or X!Tandem, we concatenate together separate spectra files (.Dta files) into a single file, whose name ends in _Dta.txt. Concatenated Text File Splitter is a reliable application designed to split apart the concatenated file to re-create the individual text files (creating one file per spectrum). This is necessary if you wish to re-search the data with SEQUEST (which reads individual .Dta files). The result files produced by sequest are called .Out files. We also concatenate them together to form a single _Out.txt file. Again, the Concatenated Text File Splitter can be used to split apart the _Out.txt file to re-recreate the separate .Out files. When creating the .dta or .out files, you can use the /F switch to filter the spectra and only extract spectra of interest. Alternatively, you can use the /T switch to create a new, filtered _dta.txt or _out.txt file, again, only containing the spectra of interest.

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