I have four different files in four different directories.
Each file contains exactly the same format
logincode Forename Surname TutGroup Mark
Basically i want to grab all the marks from each file and put them onto the end of one login code by using a shell script. I can grab all the marks just by
cut -f 5 -d ' ' file1 file2 file3 file3
But then i want to add it on the end of the correct login code so i would have
logincode mark1 mark2 mark3 mark4
I have tried using join but can only do this for 2 files (i have 4) and it doesn't work if there is more than one record? i have tried
join -v 2 file1 file2 but this only displays record two.
Your an absolute genius! It works perfectly!!!!
I don't really understand it all fully though. Could you explain?
Also if you wanted to do it without loops how could this be done?
I know how to use awk to calculate an average number for the whole file but how could i do this for one line? For example
50 60 70 (average mark here)
40 30 20 (average mark here)
Thanks
Quote:
Originally Posted by Tytalus
Code:
awk '{c[$1]=c[$1]" "$5 }END{for (i in c){print i,c[i]}}' file1 file2 file3 file4
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