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check file type in upload

Script code:

<script type="text/javascript">function check_upload(upload_field){    var re_text = /\.txt|\.pdf|\.zip/i;    var filename = upload_field.value;

/* Checking file type */    if (filename.search(re_text) == -1)    {        alert("File does not have (txt / pdf / zip) extension");        upload_field.form.reset();        return false;    }return true; } function verify_upload(){ if(document.upload_file.file1.value == "") { alert("Please select a file"); return false; }return true; }</script>

Form code:

<form name="upload_file" action="" method="post" enctype="multipart/form-data"><input type="file" name="file1" id="file" onChange="check_upload(this)"><input type="submit" name="submit" value="Upload" onclick="return verify_upload()" /></form>

Comments

  1. dskanthNovember 15, 2010 at 5:42 AM

    Note: This script ensures whether the chosen file is of type txt, pdf or zip.

    ReplyDelete

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