import subprocess
for fn in subprocess.run(["hg","files",".","-0"], stdout=subprocess.PIPE).stdout.decode("ascii").split("\0"):
        if "test" in fn: continue
        if b"text" not in subprocess.run(["file",fn],stdout=subprocess.PIPE).stdout: continue
        with open(fn,"rb") as f:
            for l,line in enumerate(f,1):
                try:
                    line.decode("ascii")
                    continue # Ignore the ASCII lines
                except UnicodeDecodeError:
                    line = line.rstrip(b"\n")
                    try: line = line.decode("UTF-8")
                    except UnicodeDecodeError: line = repr(line) # If it's not UTF-8 either, show it as b'...'
                    print("%s:%d: %s" % (fn,l,line))