我希望做的基本上是同一件事，而斯特凡·查泽拉斯（StéphaneChazelas）的回答非常有帮助。我经常这样做，以至于我使用他建议的命令编写了一个简单的Python脚本来自动化操作。默认情况下，它会反转偶数页的顺序，但是可以通过命令行标志来抑制。
这个问题有点陈旧，所以我希望原始问询者的需求已经得到满足。但是，该脚本可能对将来到达这里的人很有用，因此我将其放在下面。
#!/usr/bin/python
"""A simple script to merge two PDFs."""
import argparse
from os import listdir
from os.path import join as opjoin
import shutil
from subprocess import check_call, CalledProcessError
import tempfile
SEPARATE = 'pdfseparate %s %s'
MERGE = 'pdfunite %s %s'
def my_exec(command):
"""Execute a command from a shell, ignoring errors."""
try:
check_call(command, shell=True)
except CalledProcessError:
pass
def run(odd, even, out, reverse_odd=False, reverse_even=True):
"""Interleave odd and even pages from two PDF files."""
folder = tempfile.mkdtemp()
my_exec(SEPARATE % (odd, opjoin(folder, 'odd%d.pdf')))
my_exec(SEPARATE % (even, opjoin(folder, 'even%d.pdf')))
odd_files = []
even_files = []
for curr_file in listdir(folder):
filepath = opjoin(folder, curr_file)
if curr_file.startswith('odd'):
odd_files.append((filepath, int(curr_file[3:-4])))
elif curr_file.startswith('even'):
even_files.append((filepath, int(curr_file[4:-4])))
func = lambda x: x[1]
odd_files.sort(key=func, reverse=reverse_odd)
even_files.sort(key=func, reverse=reverse_even)
parts = []
for line in zip(odd_files, even_files):
parts.append(line[0][0])
parts.append(line[1][0])
my_exec(MERGE % (' '.join(parts), out))
shutil.rmtree(folder)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Merge two PDF files.')
parser.add_argument('odd_pages', help='PDF containing the odd pages.')
parser.add_argument('even_pages', help='PDF containing the even pages.')
parser.add_argument('output_file', help='The target output file.')
parser.add_argument('--reverse-odd', action='store_true',
help='Insert the odd pages in reverse order.')
parser.add_argument('--no-reverse-even', action='store_true',
help='Suppress reversal of the even pages.')
args = parser.parse_args()
run(args.odd_pages, args.even_pages, args.output_file,
args.reverse_odd, not args.no_reverse_even)