a simple sudo command for Windows with Cygwin.

sudo

#!/bin/sh
pname=$(basename "$0")
usage="$pname [-c|--console] Command [Argument ...]
$pname {-h|--help)
FEATURES
  execute Command with Argument(s) on Windows's 'elevated' state.

OPTIONS
  -c, --console
    open another window and print the output of the elevated Command there.
  -h, --help
    print this help message.

EXAMPLES
  sudo id
    The result of 'id' is of elevated state.
  sudo cat /etc/ssh_host_rsa_key >file
    The 'file' is written with non-elevated permission.
  sudo vi /etc/passwd

BUGS
  sudo id | less
  cat file | sudo id
    These examples doesn't perform expected action.
    Pipe cannot use with this sudo script.
  sudo sh
    Job control commands (such as Ctrl-C, Ctrl-Z, ...) are no effect in
    the above eleveted 'sh'.
  sudo less /etc/ssh_host_rsa_key
    Above 'less' can't receive interactive command from a console.

THANKS TO
  LHO
    http://unavoidablereset.blog.fc2.com/blog-entry-15.html"

consolep=false
errp=false
while true; do
  case "$1" in
  -c|--console) consolep=true; shift;;
  -h|--help) echo "$usage"; exit 0;;
  -*) echo "$pname: $1: Unknown option.">&2; errp=true; shift;;
  *) break;;
  esac
done
$errp && exit 1
test $# -eq 0 && { echo "$usage">&2; exit 1; }

# If following trap isn't set, then this script stops by Ctrl-z
# while the elevated Command don't stop.
trap "" TSTP

STDIN=$(ls /proc/$$/fd/0 -l | awk '{print $11}')
STDOUT=$(ls /proc/$$/fd/1 -l | awk '{print $11}')
STDERR=$(ls /proc/$$/fd/2 -l | awk '{print $11}')

if $consolep; then
  cygstart -a runas /usr/bin/mintty -h always "$*"
else
  cygstart --hide -w -a runas sh -c "'exec <$STDIN >$STDOUT 2>$STDERR;$*'"
fi