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How to use diff in Bash shell script?
Can anyone help me out to figuring what is wrong with this program? #!/bin/bash find teste1 > names.lst find teste2 > names2.lst result=$ (diff -y -W 72 $names $names2) if [ $? -eq 0]; then echo “files are the same” else echo “files are different” echo “$result” fi
What should I change in the diff command?
Here, it recommends that you remove line 2 from 1.txt and replace it with line 2 from 2.txt. Going forward, it also suggests that you add records after line containing acoustics and delete line record after the line containing expansion. All these changes are suggested for the first file in the diff command.
What does diff in CMP mean in Linux?
diff stands for difference. This command is used to display the differences in the files by comparing the files line by line. Unlike its fellow members, cmp and comm, it tells us which lines in one file have is to be changed to make the two files identical.
What do the dashes mean in Linux diff?
After the lines from the first file, there are three dashes (” — “), then a line range, then four dashes (” —- “). This indicates the line range in the second file that will sync up with our changes in the first file. If there is more than one section that needs to change, diff will show these sections one after the other.
Can you compare two different directories in Bash?
Depending on your situation (if filenames do not contain spaces, there are no missing files, etc.) you may omit some parts – this was just tailored from a larger script. Thanks for contributing an answer to Stack Overflow!
How to find difference between two directories using diff?
In an earlier article, we reviewed 9 best file comparison and difference (Diff) tools for Linux and in this article, we will describe how to find the difference between two directories in Linux.
How do you compare two directories in meld?
Meld Comparison Tool. Select the directories you want to compare, note that you can add a third directory by checking the option “ 3-way Comparison ”. Select Comparison Directories. Once you selected the directories, click on “ Compare ”. Listing Difference Between Directories.