Applescript dpkg-deb -b

tell application "AppleScript Editor"
    display dialog "Enter the Folder Name. It must be on your Desktop" default answer ""
    set debID to text returned of the result
end tell

do shell script "cd ~/Desktop ; /opt/local/bin/dpkg-deb -b " & debID


Result:
error "warning, `com.test/DEBIAN/control' contains user-defined field `Name'
warning, `com.test/DEBIAN/control' contains user-defined field `Author'
warning, `com.test/DEBIAN/control' contains user-defined field `Depiction'
warning, `com.test/DEBIAN/control' contains user-defined field `Sponsor'
dpkg-deb: ignoring 4 warnings about the control file(s)
dpkg-deb (subprocess): failed to exec tar -cf: No such file or directory
dpkg-deb: subprocess tar -cf returned error exit status 2" number 2