{"id":187,"date":"2007-10-09T13:47:31","date_gmt":"2007-10-09T13:47:31","guid":{"rendered":"http:\/\/beta.robertprice.co.uk\/robblog\/2007\/10\/uploading_files_to_a_lamp_server_using_net-shtml\/"},"modified":"2007-10-09T13:47:31","modified_gmt":"2007-10-09T13:47:31","slug":"uploading_files_to_a_lamp_server_using_net-shtml","status":"publish","type":"post","link":"https:\/\/www.robertprice.co.uk\/robblog\/uploading_files_to_a_lamp_server_using_net-shtml\/","title":{"rendered":"Uploading Files To A LAMP Server Using .NET"},"content":{"rendered":"

\nWe had to setup and run a webcam for the Q Awards red carpet earlier this week.\n<\/p>\n

\nThe original plan was to have an old Axis ethernet webcam, connected to a wifi network using a Dlink bridge. After a nightmare of not being able to get the Dlink to work, we gave up and went for a USB webcam connected to a laptop approach.\n<\/p>\n

\nI had to write some software to handle the capture of the image and the upload to the webserver. Because we wanted to do a few custom things on the way we weren’t able to use out of the box software.\n<\/p>\n

\nI’ll post on how to use a webcam with .NET another time. What I wanted to document was how to upload a file using .NET to a LAMP<\/acronym> server.\n<\/p>\n

\nIt turns out to be easier than I thought for .NET, one line of code can achieve this using the My.Computer.Network.UploadFile Method<\/a>.\n<\/p>\n

\nFor example, to upload test.txt<\/code> to http:\/\/www.robertprice.co.uk\/asp_upload.pl<\/code> we can do the following (in Visual Basic)…\n<\/p>\n

My.Computer.Network.UploadFile(\"C:test.txt\",\"http:\/\/www.robertprice.co.uk\/asp_upload.pl\")
\n<\/code><\/div>\n

\nNow we need some code at the other end to store this upload. As I was building a webcam application, the uploaded file, an image in this case, was always overwritten.\n<\/p>\n

\nThe uploaded .NET file uses an bog standard HTTP<\/acronym> upload as described in RFC 1867<\/a>.\n<\/p>\n

\nIf we use Perl<\/a> to read this file, we can use the standard CGI.pm<\/a> module to do most of the hard work for us.\n<\/p>\n

\nThe uploaded file is passed a parameter called file<\/var>, so we can create a CGI object and get a reference to this using the param<\/code> method. Once we have this, we can treat it as a filehandle and read the date off it. Then all we have to do is to write it out to a file.\n<\/p>\n

\nThe following code achieves this.\n<\/p>\n

#!\/usr\/bin\/perl -w
\nuse strict;
\nuse CGI.pm;
\nmy $CGI = new CGI;
\nmy $file = $CGI->param('file');
\nopen(FILE, \">\/path\/to\/my\/file\/test.txt\") or die $!;
\nwhile(<$file>) {
\nprint FILE $_;
\n}
\nclose(FILE);
\nprint \"Content-type: text\/htmlnn\";
\nprint \"OKn\";
\n<\/code><\/div>\n","protected":false},"excerpt":{"rendered":"

We had to setup and run a webcam for the Q Awards red carpet earlier this week. The original plan was to have an old Axis ethernet webcam, connected to a wifi network using a Dlink bridge. After a nightmare of not being able to get the Dlink to work, we gave up and went … Continue reading “Uploading Files To A LAMP Server Using .NET”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2],"tags":[7,25,47,78],"class_list":["post-187","post","type-post","status-publish","format-standard","hentry","category-dev","tag-net","tag-http","tag-perl","tag-work"],"yoast_head":"\nUploading Files To A LAMP Server Using .NET - Robert Price<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.robertprice.co.uk\/robblog\/uploading_files_to_a_lamp_server_using_net-shtml\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uploading Files To A LAMP Server Using .NET - Robert Price\" \/>\n<meta property=\"og:description\" content=\"We had to setup and run a webcam for the Q Awards red carpet earlier this week. The original plan was to have an old Axis ethernet webcam, connected to a wifi network using a Dlink bridge. 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