# Undefined method \`strip' for #\<ActionController::UploadedStr

**URL:** <https://www.ruby-forum.com/t/undefined-method-strip-for-actioncontroller-uploadedstr/159600>\
**Category:** Rails\
**Created:** [February 6, 2009, 7:33am UTC](https://www.ruby-forum.com/t/undefined-method-strip-for-actioncontroller-uploadedstr/159600 "2009-02-06T07:33:22Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![dharmdip](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/e274bd/32.png) [@dharmdip](https://www.ruby-forum.com/u/dharmdip)\
**Post date:** [February 6, 2009, 7:33am UTC](https://www.ruby-forum.com/t/undefined-method-strip-for-actioncontroller-uploadedstr/159600/1 "2009-02-06T07:33:22Z")

</div>

i am getting array of uploaded images when i am trying to dump in  
database i am getting error

**NoMethodError (undefined method `strip' for #<ActionController::UploadedStringIO:0x458afe4>): /vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:367:in`sanitize\_filename’  
/vendor/plugins/attachment\_fu/lib/technoweenie/attachment\_fu/backends/file\_system\_backend.rb:48:in  
`filename=’**

help ?