On Wed, Oct 25, 2017 at 9:02 AM, Mark Haney <mark.haney@xxxxxxxxxxx> wrote:
> 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.
>
here is a python solution
#!/usr/bin/python
#python 2 (did not check if it works)
f=open('yourfilename')
D={}
for line in f:
email,num = line.split()
if email in D:
D[email] = D[email] + num
else:
D[email] = num
f.close()
for key in D:
print key, D[key]
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