2e75dcc80
Bernhard Reutner-Fischer
2007-04-05
Subject
- add -s|--spider which only checks if the file exists but does not download it's content. Closes #1291
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include/usage.h+4 -3
| @@ -3056,7 +3056,7 @@ USE_FEATURE_RUN_PARTS_FANCY("\n -l Prints names of all matching files even when | |
| " %i File System ID in hex\n" \ | |
| " %l Maximum length of filenames\n" \ | |
| " %n File name\n" \ | |
| - | " %s Block size (for faster transfers)\n" \ |
| + | " %s Block size (for faster transfer)\n" \ |
| " %S Fundamental block size (for block counts)\n" \ | |
| " %t Type in hex\n" \ | |
| " %T Type in human readable form" \ | |
| @@ -3686,13 +3686,14 @@ USE_FEATURE_RUN_PARTS_FANCY("\n -l Prints names of all matching files even when | |
| " 31 46 1365 /etc/passwd\n" | |
| #define wget_trivial_usage \ | |
| - | "[-c|--continue] [-q|--quiet] [-O|--output-document file]\n" \ |
| + | "[-c|--continue] [-s|--spider] [-q|--quiet] [-O|--output-document file]\n" \ |
| " [--header 'header: value'] [-Y|--proxy on/off] [-P DIR]\n" \ | |
| " [-U|--user-agent agent] url" | |
| #define wget_full_usage \ | |
| "Retrieve files via HTTP or FTP" \ | |
| "\n\nOptions:\n" \ | |
| - | " -c Continue retrieval of aborted transfers\n" \ |
| + | " -s Spider mode - only check file existence\n" \ |
| + | " -c Continue retrieval of aborted transfer\n" \ |
| " -q Quiet\n" \ | |
| " -P Set directory prefix to DIR\n" \ | |
| " -O Save to filename ('-' for stdout)\n" \ | |
networking/wget.c+16 -9
| @@ -120,18 +120,20 @@ int wget_main(int argc, char **argv) | |
| */ | |
| enum { | |
| WGET_OPT_CONTINUE = 0x1, | |
| - | WGET_OPT_QUIET = 0x2, |
| - | WGET_OPT_OUTNAME = 0x4, |
| - | WGET_OPT_PREFIX = 0x8, |
| - | WGET_OPT_PROXY = 0x10, |
| - | WGET_OPT_USER_AGENT = 0x20, |
| - | WGET_OPT_PASSIVE = 0x40, |
| - | WGET_OPT_HEADER = 0x80, |
| + | WGET_OPT_SPIDER = 0x2, |
| + | WGET_OPT_QUIET = 0x4, |
| + | WGET_OPT_OUTNAME = 0x8, |
| + | WGET_OPT_PREFIX = 0x10, |
| + | WGET_OPT_PROXY = 0x20, |
| + | WGET_OPT_USER_AGENT = 0x40, |
| + | WGET_OPT_PASSIVE = 0x80, |
| + | WGET_OPT_HEADER = 0x100, |
| }; | |
| #if ENABLE_FEATURE_WGET_LONG_OPTIONS | |
| static const struct option wget_long_options[] = { | |
| // name, has_arg, flag, val | |
| { "continue", no_argument, NULL, 'c' }, | |
| + | { "spider", no_argument, NULL, 's' }, |
| { "quiet", no_argument, NULL, 'q' }, | |
| { "output-document", required_argument, NULL, 'O' }, | |
| { "directory-prefix", required_argument, NULL, 'P' }, | |
| @@ -144,7 +146,7 @@ int wget_main(int argc, char **argv) | |
| applet_long_options = wget_long_options; | |
| #endif | |
| opt_complementary = "-1" USE_FEATURE_WGET_LONG_OPTIONS(":\xfe::"); | |
| - | opt = getopt32(argc, argv, "cqO:P:Y:U:", |
| + | opt = getopt32(argc, argv, "csqO:P:Y:U:", |
| &fname_out, &dir_prefix, | |
| &proxy_flag, &user_agent | |
| USE_FEATURE_WGET_LONG_OPTIONS(, &headers_llist) | |
| @@ -437,7 +439,11 @@ int wget_main(int argc, char **argv) | |
| if (ftpcmd("RETR ", target.path, sfp, buf) > 150) | |
| bb_error_msg_and_die("bad response to RETR: %s", buf); | |
| } | |
| - | |
| + | if (opt & WGET_OPT_SPIDER) { |
| + | if (ENABLE_FEATURE_CLEAN_UP) |
| + | fclose(sfp); |
| + | goto done; |
| + | } |
| /* | |
| * Retrieve file | |
| @@ -499,6 +505,7 @@ int wget_main(int argc, char **argv) | |
| bb_error_msg_and_die("ftp error: %s", buf+4); | |
| ftpcmd("QUIT", NULL, sfp, buf); | |
| } | |
| + | done: |
| exit(EXIT_SUCCESS); | |
| } | |