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Using md5sum to name file based on URL

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Old Unix and Linux 12-03-2011
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Using md5sum to name file based on URL

I am trying to download a file and make the filename of the file be the md5sum of the URL. I know to use wgets to download the file but I do not know how to do the rest...any help would be appreciated.
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OK, I have neither wget or md5sum, only curl and md5 Unix or Linux Image

Looking at the man page for wget, it might go something like:

Code:
$ X="http://scrivener.s3.amazonaws.com/Scrivener.dmg"
$ wget $X -O $(echo $X | md5sum)

But, check the man page Unix or Linux Image
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Thank you so much for your help.
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