CentOSThis forum is for the discussion of CentOS Linux. Note: This forum does not have any official participation.
Notices
Welcome to LinuxQuestions.org, a friendly and active Linux Community.
You are currently viewing LQ as a guest. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Registration is quick, simple and absolutely free. Join our community today!
Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.
If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here.
Having a problem logging in? Please visit this page to clear all LQ-related cookies.
Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use.
Exclusive for LQ members, get up to 45% off per month. Click here for more info.
Note that your simple parsing will work for this file, but CSV files can also contain quoted strings with embedded field separator characters, so generalized parsing is quite a bit more complex.
Good -now you (hopefully) understand NR and FNR you can use them to determine if you are currently reading the first file or not.
If so, you will need to save the data you are interested in (or whole record) for comparison when you get to the second file. Associative arrays are made for things like this.
As you will be doing this regularly (apparently), you should write a proper program.
syg00 can prob help if you want to stick with awk.
I would use Perl with the Text::CSV module to avoid the potential issue noted in post #3.
the reason why i have made loads of print commands is because the csv files consist of 21 columns each so thats why so 24,25,26 is the other columns in the other csv file
LinuxQuestions.org is looking for people interested in writing
Editorials, Articles, Reviews, and more. If you'd like to contribute
content, let us know.