bysplitext

bysplitext is a command-line utility designed for splitting text files based on a specified delimiter. It reads an input file and outputs multiple files, where each new file begins after encountering the delimiter. This is particularly useful for processing large log files, data dumps, or any text document that is structured with repeating separators. The delimiter can be a simple string or a regular expression, offering flexibility in defining the split points.

The tool typically accepts the input filename and the delimiter as arguments. Options may be available to specify the output directory, a prefix for the generated filenames, and whether to include or exclude the delimiter in the output files. For instance, if a file contains records separated by a line starting with "---", bysplitext could be used with "---" as the delimiter to create individual files for each record. This makes it easier to manage and analyze large datasets by breaking them down into smaller, more digestible chunks. The primary purpose of bysplitext is to automate a common file manipulation task, saving users time and effort compared to manual splitting.