"FTP is for transfering files, it has no ability to compare them."
in reply to Re: Retrieve SNP information from UCSC genome browser
in thread Retrieve SNP information from UCSC genome browser
Connected to perlmonks.com.
220 perlmonks.com FTP Server (Version ...) ready.
331 Password required for root.
230 User root logged in.
Usage: siz remote-file
"but I am not sure how to compare a local file to a file in the remote server without downloading."
Please see above -- the ftp command is: siz
which you can "compare" to, as you requested. However, if you wish to compare file contents. It is possible, but is more elaborate, and depends on the ftp servers capabilities.
ˇλɐp ʇɑəɹ⅁ ɐ əʌɐɥ puɐ ʻꜱdləɥ ꜱᴉɥʇ ədoH