[CentralOH] 2017-02-10 道場 Scribbles 落書/惡文? Part 3: diffs

[jep200404 at columbus.rr.com]

meld: visual diff

    A beginner's guide to comparing files using visual diff/merge tool Meld on Linux
    https://www.howtoforge.com/tutorial/beginners-guide-to-visual-merge-tool-meld-on-linux/

    Useful Meld tips/tricks for intermediate users
    https://www.howtoforge.com/tutorial/beginners-guide-to-visual-merge-tool-meld-on-linux-part-2/

    How to perform directory comparison using Meld
    https://www.howtoforge.com/tutorial/how-to-perform-directory-comparison-using-meld/

How to do line-by-line comparison of files in Linux using diff command
https://www.howtoforge.com/tutorial/linux-diff-command-file-comparison/