gistfile1.txt

usejava ()
{
    local sel=$1.jdk
    if [ -x "/Library/Java/JavaVirtualMachines/jdk$sel/Contents/Home/bin/java" -a ! -x "/Library/Java/JavaVirtualMachines/$1/Contents/Home/bin/java" ]
    then
        sel=jdk$sel
    fi
    local base=/Library/Java/JavaVirtualMachines
    if [ -x "/System/Library/Java/JavaVirtualMachines/$sel/Contents/Home/bin/java" ]
    then
        base=/System/Library/Java/JavaVirtualMachines
    fi

    if [ -z "$1" -o ! -x "$base/$sel/Contents/Home/bin/java" ]
    then
        local prefix="Syntax: usejava "
        for i in /Library/Java/JavaVirtualMachines/* /System/Library/Java/JavaVirtualMachines/*
        do
            if [ -x "$i/Contents/Home/bin/java" ]
            then
                /bin/echo -n "$prefix$(basename $i | sed -e "s/^jdk//;s/\.jdk$//;")"
                prefix=" | "
            fi
        done
        /bin/echo ""
    else
        if [ -z "$JAVA_HOME" ]
        then
            export PATH=$base/$sel/Contents/Home/bin:$PATH
        else
            export PATH=$(echo $PATH|sed -e "s:$JAVA_HOME/bin:$base/$sel/Contents/Home/bin:g")
        fi
        export JAVA_HOME=$base/$sel/Contents/Home
        echo -n -e "\033]0;$(java -version 2>&1 | sed -e "s/.*\"\(.*\)\".*/Java \1/;q")\007"
    fi
}
complete -o "default" -o "nospace" -W "$(for i in /Library/Java/JavaVirtualMachines/* /System/Library/Java/JavaVirtualMachines/*; do if test -x "$i/Contents/Home/bin/java"; then echo "$(basename $i | sed -e "s/^jdk//;s/\.jdk$//;")"; fi; done)" usejava