/usr/share/doc/dialog/examples/textbox 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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | #!/bin/sh
# $Id: textbox,v 1.12 2010/01/13 10:36:35 tom Exp $
. ./setup-vars
. ./setup-tempfile
cat << EOF > $tempfile
Hi, this is a text dialog box. It can be used to display text from a file.
The file should not contain any 'tab' characters, so you should 'expand'
the file first if it contains 'tab' characters.
It's like a simple text file viewer, with these keys implemented:
PGDN/SPACE - Move down one page
PGUP/'b' - Move up one page
ENTER/DOWN/'j' - Move down one line
UP/'k' - Move up one line
LEFT/'h' - Scroll left
RIGHT/'l' - Scroll right
'0' - Move to beginning of line
HOME/'g' - Move to beginning of file
END/'G' - Move to end of file
'/' - Forward search
'?' - Backward search
'n' - Repeat last search (forward)
'N' - Repeat last search (backward)
The following is a sample text file:
EOF
TEXT=/usr/share/common-licenses/GPL
test -f $TEXT || TEXT=../COPYING
cat $TEXT | expand >> $tempfile
$DIALOG --clear --title "TEXT BOX" "$@" --textbox "$tempfile" 22 77
retval=$?
. ./report-button
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