48 lines
1.2 KiB
Awk
48 lines
1.2 KiB
Awk
# -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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#
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# The contents of this file are subject to the Netscape Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/NPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is mozilla.org code.
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#
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# The Initial Developer of the Original Code is Netscape
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# Communications Corporation. Portions created by Netscape are
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# Copyright (C) 1998 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s):
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#
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# see usage...
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#
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BEGIN {
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skiplines_left = 0
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if( 0 == lines || 0 == pat )
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{
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# show usage...
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print "\n"
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print "strips some lines when first line contains pattern\n"
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print "\tusage -v pat=\"pattern\" -v lines=3"
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}
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}
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{
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if( skiplines_left )
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skiplines_left--;
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else
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{
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if( match($0, pat) != 0 )
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skiplines_left = lines-1;
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else
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print $0;
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}
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}
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