def run(self):

active_view = self.window.active_view()

text = "\n\n".join(getSelectedText(active_view)).strip()

tf = NamedTemporaryFile(mode="w", delete=False)

try:

tf.write(text)

tf.close()

res = subprocess.check_output(["m4", tf.name],

stderr=subprocess.STDOUT,

cwd=os.path.dirname(os.path.abspath(active_view.file_name())))

res = res.decode('utf-8').replace('\r', '').strip()

panel_name = "m4expand.results"

panel = self.window.create_output_panel(panel_name)

self.window.run_command("show_panel", {"panel": "output." + panel_name})

panel.set_read_only(False)

panel.set_syntax_file(active_view.settings().get("syntax"))

panel.run_command("append", {"characters": res})

panel.set_read_only(True)

except Exception as e:

print("M4Expand - An error occurred: ", e)

finally:

text = []

for s in view.sel():

if s.empty():

text.append(view.substr(view.line(s)))

else:

text.append(view.substr(s))