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How to recursively compare two directories with Diff-R?
I am using diff -r a b to recursively compare directories a and b. It often happens though that there are some broken links (the same broken links in both a and b directories and pointing to the same, non-existing targets).
How to display line numbers in side by side diff?
Below code can be used display uncommon fields in two files, side by side. Below code will display common fields along with line numbers in the output. The following command will display the side-by-side output prepended with line numbers for file1.txt and identical lines removed.
When to use Diff to compare two files?
For example, if you change which file a symbolic link points to, diff outputs the difference between the two files, instead of the change to the symbolic link. diff should optionally report changes to special files specially, and patch should be extended to understand these extensions.
How to compare two directories in GNU diffutils 3.3?
The diff in GNU diffutils 3.3 includes a –no-dereference option that allows you to compare the symlinks themselves rather than their targets. It reports if they differ, is quiet if they agree and doesn’t care whether they’re broken. I don’t know when the option was added; it isn’t present in 2.8.1.
What’s the best way to diff a directory?
Use a combination of find and the file command. This requires you to do some research on the output of the file command in your directory; below I’m assuming that the files you want to diff is reported as ascii. OR, use grep -v to filter out the binary files.
How does SED recursively compare Dir1 to Dir2?
This recursively compares dir1 to dir2, sed removes the lines for binary files (begins with “Binary files “), then it’s redirected to the outputfile. I came to this (old) question looking for something similar (Config files on a legacy production server compared to default apache installation).