#!/opt/local/bin/kermit +
for i 1 \v(argc) 1 {
    if not def \&_[i] break
    if link \&_[i] continue
    xecho  \&_[i]...
    .perms = 644
    if directory \&_[i] .perms = 755
    chmod \m(perms) \&_[i]
    if fail exit
    !chgrp kermit \&_[i]
    if fail exit
    echo OK
}
exit 0 Done.