killercup

macro_rules! max {
    ($x:expr) => ( $x );
    ($x:expr, $($xs:expr),+) => {
        {
            use std::cmp::max;
            max($x, max!( $($xs),+ ))
        }
    };
}

hnakamur

$ cat ./heredoc_escape.sh
#!/bin/bash
cat <<EOF
FOO=$6$
EOF
$ ./heredoc_escape.sh
FOO=$

$ vim ./heredoc_escape.sh
$ cat ./heredoc_escape.sh