Omgifol (https://doomwiki.org/wiki/Omgifol) script to search for secret exit linedefs in maps and show their number/type; for DoomWiki.org

searchSecrExit.py

#!/usr/bin/python3
# search maps for secret exit linedefs, by Frans P. de Vries (Xymph)

import sys, getopt
from omg import *

def searchmap(wad, name, alwys):
    try:
        edit = UMapEditor(wad.udmfmaps[name])
    except KeyError:
        edit = UMapEditor(wad.maps[name])

    # set linedef types
    if edit.namespace.lower() in ('zdoom', 'hexen'):
        normal = [243]
        secret = [244]
    else:
        normal = [11, 52, 197]
        secret = [51, 124, 198]

    i = 0
    fndnorm = []
    fndsecr = []
    for line in edit.linedefs:
        if line.special in normal:
            fndnorm.append([i, line.special])
        if line.special in secret:
            fndsecr.append([i, line.special])
        #if line.special != 0:
        #    print("line %4d type %d" % (i, line.special))
        i += 1
    if alwys:
        return fndsecr
    else:
        if fndnorm:
            return fndsecr
        else:
            return []

if len(sys.argv) != 3 and len(sys.argv) != 4:
    print("\n    Omgifol script: search map(s)' secret exit linedefs\n")
    print("    Usage:")
    print("    searchSecrExit.py [-a] source.wad pattern\n")
    print("    Search all maps whose names match the given pattern (eg E?M4 or MAP*)")
    print("    for secret exit linedefs 51, 124 and 198,")
    print("    if normal exit linedefs are present (11, 52 and 197),")
    print("    or always with flag '-a'")
else:
    # process optional flag
    always = False
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'a')
        for o, a in opts:
            if o == '-a':
                always = True
    except getopt.GetoptError as err:
        print(str(err))
        sys.exit(2)

    # load WAD and draw map(s)
    print("Loading %s..." % args[0])
    inwad = WAD()
    inwad.from_file(args[0])

    for name in inwad.maps.find(args[1]) + inwad.udmfmaps.find(args[1]):
        lines = searchmap(inwad, name, always)
        if lines:
            print("Found in %s" % name)
            for line in lines:
                print("%6d:\t%d" % (line[0], line[1]))