1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
#!/bin/sh if [ $# = 0 ]; then scr="$global.boot.default" else scr="$1" fi if [ -n "$scr" ]; then if [ ! -f /env/boot/$scr ]; then echo -e "/env/boot/$scr does not exist.\nValid choices:" ls /env/boot exit fi /env/boot/$scr fi bootm