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Words should be in lower case, but (for English) A-Z letters\n" "are mapped to their a-z equivalents anyway. If omitted, stdin is\n" "used.\n" "\n" "If -c is given, the argument is the character encoding of the input\n" "and output files. If it is omitted, the UTF-8 encoding is used.\n" "\n" "If -p is given the output file consists of each word of the input\n" "file followed by \"->\" followed by its stemmed equivalent.\n" "If -p2 is given the output file is a two column layout containing\n" "the input words in the first column and the stemmed eqivalents in\n" "the second column.\n" "Otherwise, the output file consists of the stemmed words, one per\n" "line.\n" "\n" "-h displays this help\n", progname); exit(n); } int main(int argc, char * argv[]) { char * in = 0; char * out = 0; FILE * f_in; FILE * f_out; struct sb_stemmer * stemmer; char * language = "english"; char * charenc = NULL; char * s; int i = 1; pretty = 0; progname = argv[0]; while(i < argc) { s = argv[i++]; if (s[0] == '-') { if (strcmp(s, "-o") == 0) { if (i >= argc) { fprintf(stderr, "%s requires an argument\n", s); exit(1); } out = argv[i++]; } else if (strcmp(s, "-i") == 0) { if (i >= argc) { fprintf(stderr, "%s requires an argument\n", s); exit(1); } in = argv[i++]; } else if (strcmp(s, "-l") == 0) { if (i >= argc) { fprintf(stderr, "%s requires an argument\n", s); exit(1); } language = argv[i++]; } else if (strcmp(s, "-c") == 0) { if (i >= argc) { fprintf(stderr, "%s requires an argument\n", s); exit(1); } charenc = argv[i++]; } else if (strcmp(s, "-p2") == 0) { pretty = 2; } else if (strcmp(s, "-p") == 0) { pretty = 1; } else if (strcmp(s, "-h") == 0) { usage(0); } else { fprintf(stderr, "option %s unknown\n", s); usage(1); } } else { fprintf(stderr, "unexpected parameter %s\n", s); usage(1); } } /* prepare the files */ f_in = (in == 0) ? stdin : fopen(in, "r"); if (f_in == 0) { fprintf(stderr, "file %s not found\n", in); exit(1); } f_out = (out == 0) ? stdout : fopen(out, "w"); if (f_out == 0) { fprintf(stderr, "file %s cannot be opened\n", out); exit(1); } /* do the stemming process: */ stemmer = sb_stemmer_new(language, charenc); if (stemmer == 0) { if (charenc == NULL) { fprintf(stderr, "language `%s' not available for stemming\n", language); exit(1); } else { fprintf(stderr, "language `%s' not available for stemming in encoding `%s'\n", language, charenc); exit(1); } } stem_file(stemmer, f_in, f_out); sb_stemmer_delete(stemmer); if (in != 0) (void) fclose(f_in); if (out != 0) (void) fclose(f_out); return 0; }