Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | : mv-if-diff file1 file2 |
2 | : move file1 to file2 if file1 and file2 are different. | |
3 | ||
4 | if test $# -lt 2 ; then | |
5 | echo "usage: $0 file1 file2" | |
6 | echo "move file1 to file2 if file1 and file2 are different." | |
7 | exit 1 | |
8 | fi | |
9 | if cmp $1 $2 >/dev/null 2>&1; then | |
10 | echo "File $2 not changed." | |
23b65447 | 11 | rm -f $1 |
a0d0e21e | 12 | else |
28e8609d | 13 | rm -f $2 |
a0d0e21e | 14 | mv $1 $2 |
15 | fi |