Mercurial > repos > dawe > srf2fastq
comparison srf2fastq/io_lib-1.12.2/progs/hash_extract.c @ 0:d901c9f41a6a default tip
Migrated tool version 1.0.1 from old tool shed archive to new tool shed repository
author | dawe |
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date | Tue, 07 Jun 2011 17:48:05 -0400 |
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-1:000000000000 | 0:d901c9f41a6a |
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1 #include <stdio.h> | |
2 #include <string.h> | |
3 #include <stdlib.h> | |
4 #include <fcntl.h> | |
5 #include <io_lib/hash_table.h> | |
6 | |
7 /* | |
8 * Copies a single named file to stdout. | |
9 * Returns 0 on success | |
10 * 1 on failure | |
11 */ | |
12 int extract(HashFile *hf, char *file) { | |
13 size_t len; | |
14 char *data; | |
15 | |
16 if (data = HashFileExtract(hf, file, &len)) { | |
17 fwrite(data, len, 1, stdout); | |
18 free(data); | |
19 return 0; | |
20 } | |
21 return 1; | |
22 } | |
23 | |
24 int main(int argc, char **argv) { | |
25 char *fofn = NULL; | |
26 char *hash; | |
27 HashFile *hf; | |
28 int ret = 0; | |
29 | |
30 /* process command line arguments of the form -arg */ | |
31 for (argc--, argv++; argc > 0; argc--, argv++) { | |
32 if (**argv != '-' || strcmp(*argv, "--") == 0) | |
33 break; | |
34 | |
35 if (strcmp(*argv, "-I") == 0) { | |
36 argv++; | |
37 fofn = *argv; | |
38 argc--; | |
39 } | |
40 } | |
41 | |
42 if (argc < 2 && !fofn) { | |
43 fprintf(stderr, "Usage: hash_extract [-I fofn] hashfile [name ...]\n"); | |
44 return 1; | |
45 } | |
46 hash = argv[0]; | |
47 argc--; | |
48 argv++; | |
49 | |
50 if (NULL == (hf = HashFileOpen(hash))) { | |
51 perror(hash); | |
52 return 1; | |
53 } | |
54 | |
55 if (fofn) { | |
56 FILE *fofnfp; | |
57 char file[256]; | |
58 | |
59 if (strcmp(fofn, "-") == 0) { | |
60 fofnfp = stdin; | |
61 } else { | |
62 if (NULL == (fofnfp = fopen(fofn, "r"))) { | |
63 perror(fofn); | |
64 return 1; | |
65 } | |
66 } | |
67 | |
68 while (fgets(file, 255, fofnfp)) { | |
69 char *c; | |
70 if (c = strchr(file, '\n')) | |
71 *c = 0; | |
72 | |
73 ret |= extract(hf, file); | |
74 } | |
75 | |
76 fclose(fofnfp); | |
77 } | |
78 | |
79 #ifdef _WIN32 | |
80 _setmode(_fileno(stdout), _O_BINARY); | |
81 #endif | |
82 for (; argc; argc--, argv++) { | |
83 ret |= extract(hf, *argv); | |
84 } | |
85 | |
86 HashFileDestroy(hf); | |
87 | |
88 return ret; | |
89 } |