# -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation.  Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): 

#
# see usage...
#

BEGIN {
    skiplines_left = 0
    if( 0 == lines || 0 == pat )
    {
# show usage...        
        print "\n"
        print "strips some lines when first line contains pattern\n"
        print "\tusage -v pat=\"pattern\" -v lines=3"
    }
}

{
    if( skiplines_left )
        skiplines_left--;
    else
    {
        if( match($0, pat) != 0 )
            skiplines_left = lines-1;
        else
            print $0;
    }
}
