1 #!/usr/bin/env python
2
3 """Split a file in two using the 1st column depth."""
4
5 # Copyright (C) 2004 Kurt Schwehr
6
7
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
12
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
17
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21
22
23
24 import os, os.path, string, sys
25 import re # Regular expressions
26 if (5 != len(sys.argv)):
27 print len(sys.argv)
28 print sys.argv
29 print '\n ERROR: invalid number of arguments'
30 print " USAGE: ",sys.argv[0], " depth in.dat out-low.dat out-high.dat"
31 sys.exit(1)
32
33 i=1
34 depth=float(sys.argv[i]); i=i+1
35 inFileName=sys.argv[i]; i=i+1
36 outFileName1=sys.argv[i]; i=i+1
37 outFileName2=sys.argv[i]; i=i+1
38
39 if (1 == os.access(outFileName1,os.F_OK)):
40 print "ERROR: output file exists. do not want to over write!!"
41 print " ", outFileName1
42 sys.exit(1)
43
44 if (1 == os.access(outFileName2,os.F_OK)):
45 print "ERROR: output file exists. do not want to over write!!"
46 print " ", outFileName2
47 sys.exit(1)
48
49 infile = open(inFileName,"r");
50 outfile1 = open(outFileName1,"w");
51 outfile2 = open(outFileName2,"w");
52
53 for line in infile.xreadlines():
54 s = line.split()
55 d = float(s[0])
56 if (d<depth):
57 outfile1.write (line)
58 else:
59 outfile2.write (line)
60
syntax highlighted by Code2HTML, v. 0.9.1