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| 1 #!/usr/bin/env python | |
| 2 # | |
| 3 # Copyright 2014 the V8 project authors. All rights reserved. | |
| 4 # Redistribution and use in source and binary forms, with or without | |
| 5 # modification, are permitted provided that the following conditions are | |
| 6 # met: | |
| 7 # | |
| 8 # * Redistributions of source code must retain the above copyright | |
| 9 # notice, this list of conditions and the following disclaimer. | |
| 10 # * Redistributions in binary form must reproduce the above | |
| 11 # copyright notice, this list of conditions and the following | |
| 12 # disclaimer in the documentation and/or other materials provided | |
| 13 # with the distribution. | |
| 14 # * Neither the name of Google Inc. nor the names of its | |
| 15 # contributors may be used to endorse or promote products derived | |
| 16 # from this software without specific prior written permission. | |
| 17 # | |
| 18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | |
| 30 # This utility concatenates several files into one. On Unix-like systems | |
| 31 # it is equivalent to: | |
| 32 # cat file1 file2 file3 ...files... > target | |
| 33 # | |
| 34 # The reason for writing a seperate utility is that 'cat' is not available | |
| 35 # on all supported build platforms, but Python is, and hence this provides | |
| 36 # us with an easy and uniform way of doing this on all platforms. | |
| 37 | |
| 38 import optparse | |
| 39 | |
| 40 | |
| 41 def Concatenate(filenames): | |
| 42 """Concatenate files. | |
| 43 | |
| 44 Args: | |
| 45 files: Array of file names. | |
| 46 The last name is the target; all earlier ones are sources. | |
| 47 | |
| 48 Returns: | |
| 49 True, if the operation was successful. | |
| 50 """ | |
| 51 if len(filenames) < 2: | |
| 52 print "An error occured generating %s:\nNothing to do." % filenames[-1] | |
| 53 return False | |
| 54 | |
| 55 try: | |
| 56 with open(filenames[-1], "wb") as target: | |
| 57 for filename in filenames[:-1]: | |
| 58 with open(filename, "rb") as current: | |
| 59 target.write(current.read()) | |
| 60 return True | |
| 61 except IOError as e: | |
| 62 print "An error occured when writing %s:\n%s" % (filenames[-1], e) | |
| 63 return False | |
| 64 | |
| 65 | |
| 66 def main(): | |
| 67 parser = optparse.OptionParser() | |
| 68 parser.set_usage("""Concatenate several files into one. | |
| 69 Equivalent to: cat file1 ... > target.""") | |
| 70 (options, args) = parser.parse_args() | |
| 71 exit(0 if Concatenate(args) else 1) | |
| 72 | |
| 73 | |
| 74 if __name__ == "__main__": | |
| 75 main() | |
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