read the file with cffile then hash() that cffile variable, like so <cffile action="read" file="#fileYouWantToHash#" variable="xFile" /> <cfoutput>#hash(xFile)# should be equal to #md5_of_fileYouWantToHash#</cfoutput>
Stefan Richter wrote: > I've used that for passwords, but since it takes a string as input I > am unsure how to use that to verify a binary file. > > Cheers > > Stefan > > > > On 27 Feb 2009, at 14:19, James Holmes wrote: > >> Have you tried the hash() function? >> >> mxAjax / CFAjax docs and other useful articles: >> http://www.bifrost.com.au/blog/ >> >> >> 2009/2/27 Stefan Richter <[email protected]>: >>> This should be an easy one: how can I check the MD5 hash of an >>> uploaded file in Coldfusion? >>> >>> Use case: Flex app uploads a file and CF converts it, but if the same >>> file already exists on the server I want to discard the conversion >>> process and return the already converted file from disk. Has someone >>> got a code snipped for the MD5 hash check? I've never done that >>> before. >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;207172674;29440083;f Archive: http://www.houseoffusion.com/groups/flex/message.cfm/messageid:5804 Subscription: http://www.houseoffusion.com/groups/flex/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.37
