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Asked: 2026-05-31T17:08:03+00:00

When writing a web application which allows the upload of files, one must be

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When writing a web application which allows the upload of files, one must be concious of the fact that users of said web application may be on any operating system, including unix-like systems which use <lf> for line ending, mac-like systems which use <cr> for line endings, and windows-like systems which use <cr><lf> for line ending.

Assuming that I want to parse uploaded files (such as csv’s) to access the data within them (for instance so as to import it into my application), is there a standard OS-agnostic method of breaking the file up into its constituent lines for further parsing?

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1 Answer

  1. Editorial Team

    You could use a StreamReader. The ReadLine method handles the various types of line break:

    A line is defined as a sequence of characters followed by a line feed
    (“\n”), a carriage return (“\r”), or a carriage return immediately
    followed by a line feed (“\r\n”). The string that is returned does not
    contain the terminating carriage return or line feed.

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