If you want to compare files between local and remote machines, look into "rsync". I found it as a file on backup, but not original, and three files that were not the same.īrian (he won't need it anymore, but maybe someone else finds it useful): I created an empty file in the middle of the directory structure of the backup. For example on Ubuntu using diff (GNU diffutils) 2.8.1, you must use the -r switch to get the full comparison. I'll just mount the remote filesystem using SSH-fuse or whatever. I was hoping for something to compare remote to local. Phyzome Assuming both files reside in remote machine. To change its behavior to recursively go down subdirectories, add -r. Note that by default diff does not reach into the subdirectories to compare the files and subdirectories at that level.
That is why I piped the output of diff through sort in the above command. I prefer to group them by whether they are common, and whether they only exist If you are NOT interested in file differences, just add the -q (or -brief) option.įiles /home/peter/.bashrc and /home/george/.bashrc differĭiff orders its output alphabetically by file/subdirectory name. bashrc in the above listing) are diffed to see if and how the file contents differ. Files that are common in both directories (e.g. Without any option, diffing 2 directories will tell you which files only exist in 1 directory and not the other, and which are common files. < export PROMPT_COMMAND="history -a $PROMPT_COMMAND" In Linux, we use the same diff command to compare directories as well as files.ĭiff /home/peter/.bashrc /home/george/.bashrc Alas, that command is not available in Linux. Unix old-timers may remember the dircmp command. How do we compare 2 directories? Specifically, we want to know what files/subdirectories are common, what are only in 1 directory but not the other.
To compare 2 files, we use the diff command.
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