зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
2.7 KiB
C
88 строки
2.7 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1996-2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Smith <MarkCSmithWork@aol.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* Read a file on stdin and write to stdout including line numbers at the
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* start of each line. Optimized for files with 999 lines or less.
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*
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* Written 6-October-1998 by Mark Smith <MarkCSmithWork@aol.com>
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*/
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#include <stdio.h>
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const char *usage = "%s: [-s keystring] < file\n";
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int
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main( int argc, char **argv )
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{
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extern char *optarg;
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extern int optind;
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int c;
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char *keystring = NULL; /* only number lines containing string */
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char line[ 8192 ];
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int linenum = 0;
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int errflg = 0;
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while (( c = getopt( argc, argv, "s:" )) != EOF ) {
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switch ( c ) {
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case 's':
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keystring = optarg;
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break;
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case '?':
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default:
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++errflg;
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}
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}
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if (errflg || argc > optind ) {
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fprintf( stderr, usage, argv[0] );
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exit (2);
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}
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while ( fgets( line, sizeof( line ) - 1, stdin ) != NULL ) {
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if ( NULL != keystring && NULL == strstr( line, keystring )) {
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fputs( line, stdout );
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} else {
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++linenum;
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fprintf( stdout, "%3d. %s", linenum, line );
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}
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}
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return( 0 );
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}
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