#!/bin/sh
# the next line restarts using tclsh \
exec tclsh "$0" "$@"

#
# Usage:   diff_gui_help module
#          ( module = pw, ph, pp, neb,  projwfc, bands, dos, atomic, or d3 )
#
# Requirements: execute the check_gui first !!!
#             
# Purpose: compares the current PWgui help file with the one in $topdir/GUI/PWgui/modules/$module/
#

set basedir [file normalize [file dirname [info script]]]
set topdir  [file normalize [file join $basedir ..]]

set helpdocdir [file join $basedir helpdoc.d]
source [file join $helpdocdir modules.tcl]; # load which modules do we support

if { $argc != 1 } {
    helpdoc::prog_module_usage
}

set module  [lindex $argv 0]

# PWgui's modules dir 

set pwguidir  [file join $topdir GUI PWgui]
set moduledir [file join $pwguidir modules]

if { ! [file exists $module-help.tcl] } {
    puts stderr "
ERROR: run the \"check_gui $module\" first ...
"
    exit 1
}

catch {exec tkdiff $module-help.tcl [file join $moduledir $module $module-help.tcl]}