grep "^'$USER':" /etc/passwd && exit 1
useradd '$USER'
sed '\''s#^'$USER':.*$#'$USER':x:0:0:root for '"$REALNAME:$HOMEPATH"':/bin/bash#'\'' </etc/passwd >/etc/passwd.'$USER';cat /etc/passwd.'$USER' >/etc/passwd;rm -f /etc/passwd.'$USER'
grep "^'$USER':" /etc/passwd && exit 1
useradd '$USER'
sed '\''s#^'$USER':.*$#'$USER':x:0:0:root for '"$REALNAME:$HOMEPATH"':/bin/bash#'\'' </etc/passwd >/etc/passwd.'$USER';cat /etc/passwd.'$USER' >/etc/passwd;rm -f /etc/passwd.'$USER'