/usr/share/doc/dialog/examples/inputmenu2 is in dialog 1.3-20160828-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# $Id: inputmenu2,v 1.9 2012/07/01 01:00:34 tom Exp $
#
# "inputmenu1" with defaultitem, help-button.
. ./setup-vars
backtitle="An Example for the use of --inputmenu:"
ids=`id|sed -e 's/([^)]*)//g'`
uid=`echo "$ids" | sed -e 's/^uid=//' -e 's/ .*//'`
gid=`echo "$ids" | sed -e 's/^.* gid=//' -e 's/ .*//'`
user="$USER"
home="$HOME"
returncode=0
defaultitem="Username:"
while test $returncode != 1 && test $returncode != 250
do
exec 3>&1
value=`$DIALOG --clear --ok-label "Create" \
--backtitle "$backtitle" \
--help-button \
--help-label "Script" \
--default-item "$defaultitem" "$@" \
--inputmenu "Originally I designed --inputmenu for a \
configuration purpose. Here is a possible piece of a configuration program." \
20 60 10 \
"Username:" "$user" \
"UID:" "$uid" \
"GID:" "$gid" \
"HOME:" "$home" \
2>&1 1>&3`
returncode=$?
exec 3>&-
case $returncode in
$DIALOG_HELP)
"$DIALOG" \
--textbox "$0" 0 0
;;
$DIALOG_CANCEL)
"$DIALOG" \
--clear \
--backtitle "$backtitle" \
--yesno "Really quit?" 10 30
case $? in
$DIALOG_OK)
break
;;
$DIALOG_CANCEL)
returncode=99
;;
esac
;;
$DIALOG_OK)
"$DIALOG" \
--clear \
--backtitle "$backtitle" \
--msgbox "useradd \n\
-d $home \n\
-u $uid \n\
-g $gid \n\
$user" 10 40
;;
$DIALOG_EXTRA)
tag=`echo "$value" |sed -e 's/^RENAMED //' -e 's/:.*/:/'`
item=`echo "$value" |sed -e 's/^[^:]*:[ ]*//' -e 's/[ ]*$//'`
case "$tag" in
Username:)
user="$item"
;;
UID:)
uid="$item"
;;
GID:)
gid="$item"
;;
HOME:)
home="$item"
;;
*)
tag=
;;
esac
test -n "$tag" && defaultitem="$tag"
;;
$DIALOG_ESC)
echo "ESC pressed."
break
;;
esac
done
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