The Concatenated Text File Splitter can be used to split apart the concatenated file to re-create the individual text files (creating one file per spectrum).
The Flexible File Sort Utility is a command line application that sorts a text file alphabetically (forward or reverse). It supports both in-memory sorts for smaller files and use of temporary swap files for large files.
Command-line utility that reads in a _Dta.txt file and creates the equivalent Mascot Generic Format (MGF) file. _Dta.txt files are large text files that contain numerous .Dta files, all concatenated together.
The MS File Info Scanner can be used to scan a series of MS data files (or data folders) and extract the acquisition start and end times, number of spectra, and the total size of the data.