* File created with the provided name null if provided name is null or * Create a file with the provided file name. erases output file if it already existedġ.upto(numberOfLines, " NumberOfLines = args.length > 1 ? args as Integer : 100000
Println "number of lines to be placed in the generated file." Println "where fileName is name of file to be generated and lineCount is the" Println "\n\nUsage: oovy fileName lineCount\n" If no number of lines is specified, uses default of 100,000 lines. Accepts single argument for number of lines to be written to generated file. The following simple Groovy script, oovy, creates a simple text file that can be split. I'll use Groovy to easily generate this source file. To test and demonstrate the Groovy-based split script, some type of source file is required. Because Groovy runs on the JVM, this implementation could be theoretically run on any operating system with a modern Java Virtual Machine implementation. However, these existing solutions leave just enough to be desired that I have the motivation to implement a split equivalent in Groovy and that is the subject of this post. There are also third-party products available that perform similar functionality. PowerShell can be scripted to do something like this, but that implementation is specific to PowerShell. Unfortunately, I'm not aware of a split equivalent for Windows or DOS.
There are many uses for such functionality including fitting files onto certain media, making files "readable" by applications with file length restrictions, and so on.
This extremely handy command allows one to split a large file into multiple smaller files determined by the specification of either by number of lines or number of bytes (or kilobytes or megabytes) desired for the smaller files. One of the commands that I miss most from Linux when working in Windows/ DOS environments is the split command.
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