3rd line in the for() body needs to be corrected as:

    newt_scale_set($waitscl, $i);

The result is the same. This err of mine revealed that 
it's the same for newt_scale_set() if it's been given a 
valid amount or null. It doesn't get/see/process the 
amount value passed.

$ file /usr/bin/whiptail
/usr/bin/whiptail: ELF 32-bit LSB executable, Intel 80386, 
version 1 (SYSV), for GNU/Linux 2.6.0, dynamically linked 
(uses shared libs), stripped

So whiptail is using the same libnewt, then this is not a 
libnewt bug. The script I used to test with whiptail 
follows:

#!/bin/bash
{
    for ((i = 0 ; i <= 100 ; i++)); do
        sleep 1
        echo $i
    done
} | whiptail --gauge "Please wait" 5 50 77


As a workaround, I've written 2 functions (mewt_scale and 
mewt_scale_set) to mimic the originals:

function mewt_scale($mewt_left, $mewt_top, $mewt_width, 
$mewt_full_value) {
	global $mewt_scale_instances;
	$mewt_barlen = $mewt_width - 6;
	$mewt_scale_this = newt_label($mewt_left, 
$mewt_top, "[" . str_repeat("_", $mewt_barlen) . "]% --");
	$mewt_scale_instances[$mewt_scale_this] = 
array($mewt_left, $mewt_top, $mewt_barlen, 
$mewt_full_value);
	return $mewt_scale_this;
}

function mewt_scale_set($mewt_scale_this, $mewt_amount) {
	global $mewt_scale_instances;
	list($mewt_left, $mewt_top, $mewt_barlen, 
$mewt_full_value) = 
$mewt_scale_instances[$mewt_scale_this];
	$mewt_amount = min(max(0, $mewt_amount),
$mewt_full_value);
	$mewt_percent = (int) ($mewt_amount * 100.0 / 
$mewt_full_value + 0.5);
	$mewt_barfull = (int) ($mewt_barlen * 
$mewt_percent / 100 + 0.5);
	$mewt_barempty = $mewt_barlen - $mewt_barfull;
	$mewt_barcontent = substr("[" . str_repeat("*", 
$mewt_barfull) . str_repeat(" ", $mewt_barempty) . "]%" . 
sprintf("%3d   ", $mewt_percent), 0, $mewt_barlen + 6);
	newt_label_set_text($mewt_scale_this, 
$mewt_barcontent);
}

Thank you for taking the time to write to us, but this is not
a bug.

Can't re-create. This script works pretty well:

<?php
newt_init(); newt_cls();
newt_centered_window(60, 9, "Please wait...");
$waitlbl = newt_label(30, 3, "");
$waitscl = newt_scale(5, 6, 50, 100);
$waitform = newt_form();
newt_form_add_components($waitform, array($waitlbl, $waitscl));
newt_form_set_timer($waitform, 1);
newt_run_form($waitform);
for ($i = 1; $i <= 100; $i++) {
    usleep(100);
    newt_label_set_text($waitlbl, $i);
    newt_scale_set($waitscl, $i);
    newt_refresh();
}
newt_form_destroy($waitform);
newt_pop_window ();
newt_finished ();
?>

The bug was (and still is) existing in Feisty, but it is 
now working in Gutsy. Here are the relevant differences 
between the two: (from "pear info newt" and "php -v")

Feisty (buggy):
Newt Version:1.1 Release Date:2005-07-07 Last 
Modified:2007-05-24
PHP-Cli: 5.2.1

Gutsy (works):
Newt Version:1.1 Release Date:2005-07-07 Last 
Modified:2007-10-27
PHP-Cli: 5.2.3-1ubuntu6

Anyway it now works, so  I've closed the report. Thank you 
for your time.

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