How Can I Parse Variably Formatted FTP ListDirectoryDetails Responses in C#?

Parsing FTP WebRequestMethods.Ftp.ListDirectoryDetails Response with C#

FTP servers utilize diverse response formats when executing the WebRequestMethods.Ftp.ListDirectoryDetails method, making it challenging to parse the returned content. This article addresses these complexities and provides a managed C# solution to seamlessly handle different response variations.

FTP Response Parsing Challenges

FTP responses vary depending on the server software, leading to inconsistent formats. Some FTP servers use a DOS/Windows format, while others employ a *nix format, introducing subtle differences.

Managed C# Solution

To handle these variable response formats, a managed C# solution is presented:

This code is compatible with DOS/Windows response formats, extracting file/directory names, last modified timestamps, and file sizes.

Alternative Options

While parsing LIST responses is a valid approach, it is recommended to utilize FTP clients that support the MLSD command, providing a structured and standardized format for directory listings. Third-party libraries, such as WinSCP, implement MLSD support and offer additional features for FTP management.

In conclusion, the provided C# solution effectively handles FTP WebRequestMethods.Ftp.ListDirectoryDetails response parsing, accounting for diverse response formats. However, considering the limitations of the LIST method, exploring alternative options that leverage the MLSD command is recommended for optimal FTP management.

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