2 if [ x`pwd` = "x/etc" ]
4 echo Cannot operate directly on \"/etc\". >&2
8 #make prototype for /etc/shadow
9 sed -e "s/:.*/:*:`expr $(date +%s) / 86400`:0:99999:7:::/" files/etc/passwd >files/etc/shadow
11 #make prototype for /etc/gshadow
12 sed -e 's/:[0-9]\+:/::/g' files/etc/group >files/etc/gshadow
14 #mark passwd and group files entries shadowed
15 sed -i -e 's/^\([^:]\+\):[^:]*:/\1:x:/' files/etc/passwd files/etc/group
17 echo Converted successfully.