projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| a860ef9e KB |
1 | /*- |
| 2 | * %sccs.include.proprietary.c% | |
| 3 | */ | |
| 4 | ||
| 37132bf3 | 5 | #ifndef lint |
| a860ef9e KB |
6 | static char sccsid[] = "@(#)lookbib.c 4.7 (Berkeley) %G%"; |
| 7 | #endif /* not lint */ | |
| 37132bf3 BT |
8 | |
| 9 | #include <stdio.h> | |
| 10 | #include <ctype.h> | |
| ade4c407 | 11 | #include "pathnames.h" |
| 37132bf3 BT |
12 | |
| 13 | main(argc, argv) /* look in biblio for record matching keywords */ | |
| 14 | int argc; | |
| 15 | char **argv; | |
| 16 | { | |
| 17 | FILE *fp, *hfp, *fopen(), *popen(); | |
| aa81268e | 18 | char s[BUFSIZ], hunt[64]; |
| b12cd3d6 | 19 | int instructions = 1; |
| 37132bf3 | 20 | |
| b12cd3d6 RC |
21 | if (strcmp(argv[1],"-n") == 0) |
| 22 | { | |
| 23 | argv++; | |
| 24 | argc--; | |
| 25 | instructions = 0; | |
| 26 | } | |
| 37132bf3 BT |
27 | if (argc == 1 || argc > 2) |
| 28 | { | |
| 29 | fputs("Usage: lookbib database\n", | |
| 30 | stderr); | |
| 37132bf3 BT |
31 | fputs("\tfinds citations specified on standard input\n", |
| 32 | stderr); | |
| 33 | exit(1); | |
| 34 | } | |
| 35 | if (!isatty(fileno(stdin))) | |
| 36 | fp = stdin; | |
| ade4c407 | 37 | else if ((fp = fopen(_PATH_TTY, "r")) == NULL) |
| 37132bf3 | 38 | { |
| ade4c407 | 39 | perror(_PATH_TTY); |
| 37132bf3 BT |
40 | exit(1); |
| 41 | } | |
| aa81268e | 42 | (void)sprintf(s, "%s.ia", argv[1]); |
| 37132bf3 | 43 | if (access(s, 0) == -1) { |
| aa81268e | 44 | (void)sprintf (s, "%s", argv[1]); |
| dcbf8695 GL |
45 | if (access(s, 0) == -1) { |
| 46 | perror(s); | |
| c27492e3 BT |
47 | fprintf(stderr, "\tNeither index file %s.ia ", s); |
| 48 | fprintf(stderr, "nor reference file %s found\n", s); | |
| dcbf8695 GL |
49 | exit(1); |
| 50 | } | |
| 37132bf3 | 51 | } |
| ade4c407 | 52 | (void)sprintf(hunt, "%s %s", _PATH_HUNT, argv[1]); |
| 37132bf3 | 53 | |
| b12cd3d6 | 54 | if (instructions && isatty(fileno(fp))) |
| 37132bf3 BT |
55 | { |
| 56 | fprintf(stderr, "Instructions? "); | |
| 57 | fgets(s, BUFSIZ, fp); | |
| 58 | if (*s == 'y') | |
| 59 | instruct(); | |
| 60 | } | |
| 61 | again: | |
| 62 | fprintf(stderr, "> "); | |
| 63 | if (fgets(s, BUFSIZ, fp)) | |
| 64 | { | |
| 65 | if (*s == '\n') | |
| 66 | goto again; | |
| 67 | if ((hfp = popen(hunt, "w")) == NULL) | |
| 68 | { | |
| ade4c407 | 69 | perror("lookbib: hunt"); |
| 37132bf3 BT |
70 | exit(1); |
| 71 | } | |
| 72 | map_lower(s); | |
| 73 | fputs(s, hfp); | |
| 74 | pclose(hfp); | |
| 75 | goto again; | |
| 76 | } | |
| 77 | fclose(fp); | |
| 78 | fprintf(stderr, "EOT\n"); | |
| 79 | exit(0); | |
| 80 | } | |
| 81 | ||
| 82 | map_lower(s) /* map string s to lower case */ | |
| 83 | char *s; | |
| 84 | { | |
| 85 | for ( ; *s; ++s) | |
| 86 | if (isupper(*s)) | |
| 87 | *s = tolower(*s); | |
| 88 | } | |
| 89 | ||
| 90 | instruct() | |
| 91 | { | |
| 92 | fputs("\nType keywords (such as author and date) after the > prompt.\n", | |
| 93 | stderr); | |
| 94 | fputs("References with those keywords are printed if they exist;\n", | |
| 95 | stderr); | |
| 96 | fputs("\tif nothing matches you are given another prompt.\n", | |
| 97 | stderr); | |
| 98 | fputs("To quit lookbib, press CTRL-d after the > prompt.\n\n", | |
| 99 | stderr); | |
| 100 | } |