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#!/usr/bin/python3

# Farcical script to remove newlines after
# \begin{sidebar} in dblatex' .tex output;
#
# farcical because I'm sure this can be done
# in 1 line of sed, and also because I'm sure
# the whole need for this script could be fixed
# in the dcpomatic.sty (but I don't know how).

import sys
import os
import tempfile
import shutil

f = open(sys.argv[1])
t = tempfile.NamedTemporaryFile(delete=False)
remove_next = False
while True:
    l = f.readline()
    if l == '':
        break

    if not remove_next:
        t.write(l.encode('UTF-8'))

    remove_next = False

    if l.strip() == '\\begin{sidebar}':
        remove_next = True

f.close()
t.close()
shutil.move(t.name, sys.argv[1])