boinc/apps/concat.C

72 lines
2.1 KiB
C

// The contents of this file are subject to the Mozilla Public License
// Version 1.0 (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 the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
// concat file1 ... filen outfile
//
// concatenate files, write to outfile
#include <stdio.h>
#include <stdlib.h>
#include "api.h"
void file_append(FILE* in, FILE* out) {
char buf[1024];
int n;
while (1) {
n = fread(buf, 1, 1024, in);
if (n == 0) break;
fwrite(buf, 1, n, out);
}
}
int main(int argc, char** argv) {
FILE* in, *out;
char file_name[512];
int i;
APP_IN ai;
boinc_init(ai);
fprintf(stderr, "APP: concat: starting, argc %d\n", argc);
for (i=0; i<argc; i++) {
fprintf(stderr, "APP: concat: argv[%d] is %s\n", i, argv[i]);
}
boinc_resolve_link( argv[argc-1], file_name );
fprintf( stderr, "res: %s\n", file_name );
out = fopen(file_name, "w");
if (!out) {
fprintf(stderr, "APP: concat: can't open out file %s\n", argv[argc-1]);
exit(1);
}
for (i=1; i<argc-1; i++) {
boinc_resolve_link( argv[i], file_name );
fprintf( stderr, "res: %s\n", file_name );
in = fopen(file_name, "r");
if (!in) {
fprintf(stderr, "APP: concat: can't open in file %s\n", argv[i]);
exit(1);
}
file_append(in, out);
fclose(in);
}
fclose(out);
fprintf(stderr, "APP: concat: done\n");
return 0;
}