Ken Yap writes: >I experienced an epiphany when I saw a guru do: > > ls *.pas | sed 's/\(.*\).pas/mv & \1.p/' | sh > >And another, reparing a root filesystem with cat corrupted, did > > sh -nv file > >to view the file. It's good to see that some people recognize that UNIX is a religion (rather than an operating system.)