carlibiri

Header is the section of the file that contains info about structure, units, source, etc of the file. e.g. number of data columns (in data section), units of each, range of the data, associated...

Thanks again (and yes, I've installed J701) One more question: For a file with a header (about 50 lines) and the rest is numeric data (maybe a thousand lines), how to read only the first 50...

Thanks for your answer. I meant how to read external files (estructured data) with the data to be used in a J program, and how to write the results to a file. Thanks again. By the way, that's...

Hi Could you comment about how to handling files in J? (There is a lot of information about sintax, verbs, and so on, but precious little about files). Thanks in advance