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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1996-2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mark Smith <MarkCSmithWork@aol.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* Read a file on stdin and write to stdout including line numbers at the
* start of each line. Optimized for files with 999 lines or less.
*
* Written 6-October-1998 by Mark Smith <MarkCSmithWork@aol.com>
*/
#include <stdio.h>
const char *usage = "%s: [-s keystring] < file\n";
int
main( int argc, char **argv )
{
extern char *optarg;
extern int optind;
int c;
char *keystring = NULL; /* only number lines containing string */
char line[ 8192 ];
int linenum = 0;
int errflg = 0;
while (( c = getopt( argc, argv, "s:" )) != EOF ) {
switch ( c ) {
case 's':
keystring = optarg;
break;
case '?':
default:
++errflg;
}
}
if (errflg || argc > optind ) {
fprintf( stderr, usage, argv[0] );
exit (2);
}
while ( fgets( line, sizeof( line ) - 1, stdin ) != NULL ) {
if ( NULL != keystring && NULL == strstr( line, keystring )) {
fputs( line, stdout );
} else {
++linenum;
fprintf( stdout, "%3d. %s", linenum, line );
}
}
return( 0 );
}
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