File mtt/bin/trans/examples_txt2tk artifact f746b105d0 part of check-in a8cce33cfa

#! /bin/sh

     ###################################### 
     ##### Model Transformation Tools #####
     ######################################

# Bourne shell script: examples_txt2tk
# Creates tk/tcl file for xmtt.
# Copyright (c) P.J.Gawthrop, 1998,1999


# Examples menu
gawk 'BEGIN{
    basemenu=".exam.exam"
    oldmenu=basemenu
    OLDPATH="";
    }
    {
    if (NF>1){
    PATH=$1;
    N=split(PATH,path,"/"); # Find current example path
    oldN=split(OLDPATH,oldpath,"/"); # Find last example path
    same=1; menu=basemenu;
    while ((path[same]==oldpath[same])&&(same<=N)){
       menu=menu"."tolower(path[same])
       same++
    }
      oldmenu=menu
      for (i=same;i<N;i++){
        menu=tolower(menu"."path[i])
        category=path[i];
	printf("\n# Example category %s (%i)\n", category, N)
        printf("%s  add  cascade -label \"%s\" -menu %s \n", oldmenu, category, menu);
        printf("menu %s\n", menu)
	oldmenu=menu
      }
    oldN=N
    OLDPATH=PATH
    oldcategory=category
    split($2,EXAMPLE,"_");
    example = EXAMPLE[1];
    printf(" set mtt \"xmtt --example %s\" \n", example); 
    printf("%s add command -label %s -command \" exec $mtt &\"\n", menu, example);
 }
}'