How to add CSS reference link to local HTML files in folder?

Question

I have a folder named "DocSamples" on the file system, this folder has 100 HTML files and one cascading style sheet file named "docStyle.css", i want to add a reference to this style sheet <link rel="stylesheet" href="docStyle.css">to each HTML file in the folder using Console Application (C#).

Any idea on how I can implement this?

Thank you,

Hello Mohammad, I suggest using a filereader and loop over each file. Then, for each file you do a string filetext = File.ReadAllText(fileName);. And then do a filetext.replace("</head>", "<link rel="stylesheet" href="docStyle.css"></head>"). And of course save the file afterwards :) — Dieter B
– Dieter B, Commented Mar 10, 2016 at 11:11

Dieter B · Accepted Answer · 2016-03-10 11:17:34Z

1

I would suggest something like:

// Get all files
string filepath = Environment.GetFolderPath("Filepath here");
DirectoryInfo d = new DirectoryInfo(filepath);

//Handle each file
foreach (var file in d.GetFiles("*.html"))

    // Get all text from 1 file
    string readText = File.ReadAllText(file.FullName);
    // Add css
    readText = readText.Replace("</head>", @"<link rel="stylesheet" href="docStyle.css"></head>")

    // Save file with modifications
    File.WriteAllText(file.FullName, readText);
}

answered Mar 10, 2016 at 11:17

Dieter B

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Comments

Mohammad Akilan · Accepted Answer · 2016-03-10 12:20:35Z

0

Thank you Dieter for your response, much appreciated, i edited your code and used the below code, and it's working fine

    static void Main(string[] args)
        {
            string[] htmlFiles = Directory.GetFiles("systemDrive\\Doc samples", "*.html");


//Handle each file
foreach (var htmlFile in htmlFiles)
{
    // Get all text from 1 file
    string readText = File.ReadAllText(htmlFile);
    // Add css
    readText = readText.Replace("</head>", @"<link rel='stylesheet' href='docStyle.css'></head>");

    // Save file with modifications
    File.WriteAllText(htmlFile, readText);
}
        }

Thanks again.

answered Mar 10, 2016 at 12:20

Mohammad Akilan

1135 bronze badges

1 Comment

Dieter B Over a year ago

You're welcome. Just be aware that you can't run it twice on the same file, else you'll be referencing the css twice.

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