I am able to write value to an input t form type= text
for ex
<input type="text" value="xyz">
But what i want is, to write a value to input type="file" . I have tried the code below but it's not working.
<input type="file" value="something">
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<input type="file" name="fileName" value="C:/hello world/test.txt" size=80>Nirav Ranpara– Nirav Ranpara2012-10-15 08:22:31 +00:00Commented Oct 15, 2012 at 8:22
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2 Answers
You cannot, for fairly obvious security reasons.
If a webpage could specify a default value for a file input, then it could (for example) specify c:\place\where\finance\software\stores\accounts\by\default (and then use JavaScript to submit the form without the user having to do anything).
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PHP aside, HTML doesn't let you assign values to input type="file" elements as a security measure. If HTML had this power, you could setup several of these fields and point each one to a windows file on the user's computer. The result would be a victim submitting a form with no idea they were also submitting sensitive information. No JavaScript is required. The victim might submit such a form to log in or post a comment on a blog somewhere. Why wouldn't the victim notice they are also submitting a file? CSS can style such elements offscreen using negative coordinates so its a lot like an input type="hidden", just in this case it would submitting a file instead.
