whiptail_ex

#!/bin/bash
#
# This example illustrates a way to use `whiptail` via a bash
# API. `whiptail` is very nice for simple dialogs/windows, but
# providing input and capturing output is not always
# pleasant. Provided API simplifies that handling.

readonly DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
. ${DIR}/../gobash

clear || \
        { echo "Your terminal lacks the ability to clear the screen or position the cursor";
          exit 0; }


# Create a Message box and show it.
box=$(WTMsgBox "Info that more examples are coming.")
$box show

# Create an Input box, capture the input and show it.
box=$(WTInputBox "Please describe how much you like it.")
res=$(UIResult)
$box show "$res"
$res to_string

# Prepare a list for a Menu.
lst=$(List)
$lst add "Run"
$lst add "Delete this example"

# Create a Menu, capture the selected item, and print the item.
res=$(UIResult)
box=$(WTMenu "Actions" "$lst")
$box show "$res"
$res to_string

# Prepare a list for a Checklist.
lst=$(List)
$lst add "root"
$lst add "etc"
$lst add "bin"

# Create a Checklist, capture the selected items, and print the items.
box=$(WTChecklist "Directories" "$lst")
res=$(UIResult)
$box show "$res"
$($res val) to_string

# Prepare a list for a Radiolist.
lst=$(List)
$lst add "root"
$lst add "etc"
$lst add "bin"

# Create a Radiolist, capture the selected item, and print the item.
box=$(WTRadiolist "Directory" "$lst")
res=$(UIResult)
$box show "$res"
$res to_string