[OT] Bash help

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I know this is for CentOS stuff, but I'm at a loss on how to build a script that does what I need it to do.  It's probably really logically simple, I'm just not seeing it.  Hopefully someone will take pity on me and at least give me a big hint.

I have a file with two columns 'email' and 'total' like this:

me@xxxxxxxxxxx 20
me@xxxxxxxxxxx 40
you@xxxxxxxxxx 100
you@xxxxxxxxxx 30

I need to get the total number of messages for each email address.  This type of code has always been the hardest for me for whatever reason, and honestly, I don't write many scripts these days. I'm struggling to get psuedocode that works, much less a working script. I know this is off topic, and if it gets modded out, that's fine.  I just can't wrap my brain around it.

--
Mark Haney
Network Engineer at NeoNova
919-460-3330 option 1
mark.haney@xxxxxxxxxxx
www.neonova.net

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