# Pre-compiled regular expressions.
re_lyxfile = re.compile("\.lyx$")
re_input = re.compile(r'^(.*)\\(input|include){(\s*)(\S+)(\s*)}.*$')
# Pre-compiled regular expressions.
re_lyxfile = re.compile("\.lyx$")
re_input = re.compile(r'^(.*)\\(input|include){(\s*)(\S+)(\s*)}.*$')
re_package = re.compile(r'^(.*)\\(usepackage){(\s*)(\S+)(\s*)}.*$')
re_class = re.compile(r'^(\\)(textclass)(\s+)(\S+)$')
re_norecur = re.compile(r'^(.*)\\(verbatiminput|lstinputlisting|includegraphics\[*.*\]*){(\s*)(\S+)(\s*)}.*$')
re_package = re.compile(r'^(.*)\\(usepackage){(\s*)(\S+)(\s*)}.*$')
re_class = re.compile(r'^(\\)(textclass)(\s+)(\S+)$')
re_norecur = re.compile(r'^(.*)\\(verbatiminput|lstinputlisting|includegraphics\[*.*\]*){(\s*)(\S+)(\s*)}.*$')
re_filename = re.compile(r'^(\s*)(filename)(\s+)(\S+)$')
re_options = re.compile(r'^(\s*)options(\s+)(\S+)$')
re_bibfiles = re.compile(r'^(\s*)bibfiles(\s+)(\S+)$')
re_filename = re.compile(r'^(\s*)(filename)(\s+)(\S+)$')
re_options = re.compile(r'^(\s*)options(\s+)(\S+)$')
re_bibfiles = re.compile(r'^(\s*)bibfiles(\s+)(\S+)$')
extlist = ['', '.eps', '.pdf', '.png', '.jpg']
recursive = False
extlist = ['', '.eps', '.pdf', '.png', '.jpg']
recursive = False
incfiles.append(abspath(file))
if recursive:
gather_files(file, incfiles, lyx2lyx)
incfiles.append(abspath(file))
if recursive:
gather_files(file, incfiles, lyx2lyx)