[root@sv3 temp3]# cat script
#!/usr/bin/ruby

puts 'hello world'
[root@sv3 temp3]# ./script
/usr/bin/ruby: No such file or directory -- è]; (LoadError)
[root@sv3 temp3]#

[root@sv3 temp3]# ll /usr/bin/ruby
-rwxr-xr-x 1 root root 9025295 Jul  9 15:14 /usr/bin/ruby