$ mkdir eljefe
$ cd eljefe
$ mkdir virthosts
$ echo '68.12.54.142' > virthosts/one
$ echo '68.12.54.142' > virthosts/two
$ echo '68.12.54.142' > virthosts/three
$ ./change.sh
Done with "./virthosts/drei".
Done with "./virthosts/eins".
Done with "./virthosts/zwei".
$ cat virthosts/one
68.12.54.142
65.43.123.23
$ cat virthosts/two
68.12.54.142
65.43.123.23
$