{"id":864,"date":"2009-10-13T16:03:37","date_gmt":"2009-10-13T14:03:37","guid":{"rendered":"http:\/\/www.navision-blog.de\/2009\/10\/13\/redirecting-process-output-in-f\/"},"modified":"2009-10-13T16:05:07","modified_gmt":"2009-10-13T14:05:07","slug":"redirecting-process-output-in-f","status":"publish","type":"post","link":"http:\/\/www.navision-blog.de\/blog\/2009\/10\/13\/redirecting-process-output-in-f\/","title":{"rendered":"Redirecting process output in F#"},"content":{"rendered":"

Today I had some trouble to redirect the default and error output from a created process. So here is my final solution:<\/p>\n

\n

  open<\/span> System.Diagnostics<\/p>\n

  open<\/span> System.Threading<\/p>\n

 <\/p>\n<\/p><\/div>\n

\n

  \/\/ outputF: string -> unit<\/span><\/p>\n

  \/\/ errorF: string -> unit<\/span><\/p>\n

  let<\/span> runProcess outputF errorF = <\/p>\n

    use<\/span> p = new<\/span> Process()<\/p>\n

    p.StartInfo.UseShellExecute <- false<\/span><\/p>\n

    \/\/ …<\/span><\/p>\n

    p.StartInfo.RedirectStandardOutput <- true<\/span><\/p>\n

    p.StartInfo.RedirectStandardError <- true<\/span><\/p>\n

 <\/p>\n

    p.ErrorDataReceived.Add <\/p>\n

      (fun<\/span> d \u2013><\/span> if<\/span>  d.Data <> null<\/span> then<\/span> errorF d.Data)<\/p>\n

    p.OutputDataReceived.Add <\/p>\n

      (fun<\/span> d \u2013><\/span> if<\/span> d.Data <> null<\/span> then<\/span> outputF d.Data)<\/p>\n

    p.Start() |> ignore<\/p>\n

 <\/p>\n

    p.BeginErrorReadLine()<\/p>\n

    p.BeginOutputReadLine()     <\/p>\n

 <\/p>\n

    p.WaitForExit()<\/p>\n

 <\/p>\n

    p.ExitCode<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

Today I had some trouble to redirect the default and error output from a created process. So here is my final solution:   open System.Diagnostics   open System.Threading     \/\/ outputF: string -> unit   \/\/ errorF: string -> unit   let runProcess outputF errorF =     use p = new Process()     p.StartInfo.UseShellExecute […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[448],"tags":[664,568],"_links":{"self":[{"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/posts\/864"}],"collection":[{"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/comments?post=864"}],"version-history":[{"count":1,"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/posts\/864\/revisions"}],"predecessor-version":[{"id":865,"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/posts\/864\/revisions\/865"}],"wp:attachment":[{"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/media?parent=864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/categories?post=864"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.navision-blog.de\/blog\/wp-json\/wp\/v2\/tags?post=864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}