Re: Using 'dialog'

[Cameron Matheson <matheson@mail1.facile.com>]

John Hasler wrote:
> 
> This GPL:
> 
> # include the user interface functions
> 
> # Global options
> # The variable $BACKTITLE specifies the back title.
> # The variable $DIALOG_OPTIONS, initialized here to --clear, provides
> # options you want on the command line of each dialog invocation.
> # The variable $DIALOG_TEST can be set to "echo" to see the calls
> # to dialog without executing them.
> 
> DIALOG_OPTIONS=""
> 
> # Make any dialogue box, with default settings and backtitle from
> # $BACKTITLE in the environment.
> #
> # dialog --type arg arg ...
> #
> dialogBox () {
>     local type="$1"
>     shift
>     local title=""
>     local backtitle=""
>     local text="$1"
>     shift
>     if [ $# -ge 1 ]
>     then
>         title="$1"
>         shift
>     fi
>     if [ -n "$BACKTITLE" ]; then
>         backtitle="$BACKTITLE"
>     fi
>     $DIALOG_TEST $UI $DIALOG_OPTIONS --title "$title" --backtitle \
>     "$backtitle" "$type" "$text" 22 80 "$@" 2>&1 1>/dev/tty
>     local result=$?
>     return $result
> }
> 
> # Display a file.
> #
> # fileBox filename [title]
> #
> fileBox () {
>     dialogBox --textbox "$1" "$2"
> }
> 
> # textBox takes presents its standard input in a dialog box. This
> # is useful for "here documents" and pipes.
> #
> # textBox [title]
> #
> textBox () {
>     cat > $TempFile
>     if [ $? -ne 0 ]
>     then
>         echo "Can't make temporary file for dialog box." 1>&2
>         return 255
>     fi
>     # Note that dialog needs stdin to be the terminal, so I redirect here.
>     < /dev/tty dialogBox --textbox $TempFile "$1"
>     local result=$?
>     rm -f $TempFile
>     return $result
> }
> 
> msgBox () {
>     dialogBox --msgbox "$1" "$2"
> }
> 
> infoBox () {
>     dialogBox --infobox "$1" "$2"
> }
> 
> yesNoBox () {
>     dialogBox --yesno "$1" "$2"
> }
> 
> inputBox () {
>     dialogBox --inputbox "$1" "$2" "$3"
> }
> 
> # menu text title tag1 item1 ...
> menu () {
>     local text="$1"
>     shift
>     local title="$1"
>     shift
>     dialogBox --menu "$text" "$title" 0 "$@"
> }
> 
> # menu text title tag1 item1 status1 ...
> checklist () {
>     local text="$1"
>     shift
>     local title="$1"
>     shift
>     dialogBox --checklist "$text" "$title" 0 "$@"
> }
I kind of understand this (is it C?), but I still don't know how to use
the answer I get from the user when they select an option from the
menu.  Please help,

Thanks everyone,
Cameron matheson



> 
> # menu text title tag1 item1 status1 ...
> radiolist () {
>     local text="$1"
>     shift
>     local title="$1"
>     shift
>     dialogBox --radiolist "$text" "$title" 2 "$@"
> }
> # end of shell interface to "dialog"
> 
> --
> John Hasler
> john@dhh.gt.org
> Dancing Horse Hill
> Elmwood, Wisconsin