Unix command to compare two text files

Have you considered sorting and then comparing? Diff is not working? Diff should work. Not programming Move to superuser. Add a comment. Active Oldest Votes. I got the solution by using comm comm file1 file2 will give you the desired output. The files need to be sorted first anyway. Improve this answer. According to comm man page , it works on lexically sorted files. Last edited by Scrutinizer; at AM.. Compare two files line by line in bash.

Hello All! Thanks for taking time out and helping. My issue is, I have two files that have file names in it. Now, i need to go through each line of both the files and when the file names are different, i need to rename the file. Compare fields in two files line by line. I am new to awk scripting. I want to do a field by word field comparison of two files File1. The files contain a list of pipe separated field.

Perl how to compare two pdf files line by line. Hi Experts, Would really appreciate if anyone can guide me how to compare two pdf files line by line and report the difference to another file. Compare two files, then outputs line number. I have two files, "ranked.

Ask Question. Asked 4 years, 3 months ago. Active 1 year, 5 months ago. Viewed 93k times. How to write it? Improve this question. Patrick Mevzek 2, 2 2 gold badges 17 17 silver badges 28 28 bronze badges. Have you try to use diff command? Add a comment. Active Oldest Votes. To just test whether two files are the same, use cmp -s :! If your two input files contains list of pathnames of files that you wish to compare, then use a double loop like so:! It is assumed that no pathname in the two input files contain any embedded newlines.

Improve this answer. The easiest way is to use the command diff. I need to run the laundry. I need to wash the dog. I need to get the car detailed. I need to do the laundry. Sandra Henry-Stocker has been administering Unix systems for more than 30 years. She describes herself as "USL" Unix as a second language but remembers enough English to write books and buy groceries.

She lives in the mountains in Virginia where, when not working with or writing about Unix, she's chasing the bears away from her bird feeders. Here are the latest Insider stories. More Insider Sign Out. Sign In Register.

Sign Out Sign In Register. Latest Insider. Check out the latest Insider stories here. More from the IDG Network. Smart ways to compare files on Linux.

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