The diff output is more specific:
[I]f a whole block of text is moved, then all of it, rather than just the beginning and end, is detected as changed.
>The algorithm described here avoids these difficulties. It detects differences that correspond very closely to our intuitive notion of difference.
| #!/bin/sh | |
| # Usage info | |
| show_help1() { | |
| cat << EOF | |
| Usage: ${0##*/} [-hv] [-f OUTFILE] [FILE]... | |
| Do stuff with FILE and write the result to standard output. With no FILE | |
| or when FILE is -, read standard input. | |
| -h display this help and exit | |
| -f OUTFILE write the result to OUTFILE instead of standard output. |