lc.py

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##
# 
# Counts the number of lines in the input file.  The input file is assumbed
# to be text, but it doesn't have to be.
# 
# Copyright (C) 2002 GDS Software
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA  02111-1307  USA
# 
# See http://www.gnu.org/licenses/licenses.html for more details.
# 

import sys, glob
__version__ = "$Id: lc.py,v 1.3 2002/08/21 12:41:48 donp Exp $"

def count_lines(files):
    retval = 0
    for file in sys.argv[1:]:
        if not IsFile(file):  continue
        try:
            fp = open(file, "rb")
            lines = fp.readlines()
            fp.close()
            print "%-8d  %s" % (len(lines), file)
        except:
            sys.stderr.write("Couldn't read \"%s\"\n" % file)
            retval = 1
    return retval

##
# Return 1 if file_name is a file; otherwise return 0.
#     
def IsFile(file_name):
    import os
    try:
        s = os.stat(file_name)
        return ((0100000 & s[0]) == 0100000)
    except:
        return 0

if __name__ == "__main__":
    if len(sys.argv) < 2:
        print "Usage:  lc file1 [file2...]"
        sys.exit(1)
    sys.exit(count_lines(sys.argv[1:]))