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[/] [eco32/] [tags/] [eco32-0.24/] [lcc/] [tst/] [cf.c] - Rev 282
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/* cf - print character frequencies */ float f[128]; main(argc, argv) int argc; char *argv[]; { int i, c, nc; float cutoff, atof(); if (argc <= 1) cutoff = 0.0; else cutoff = atof(argv[1])/100; for (i = 0; i <= 127; ) f[i++] = 0.0; nc = 0; while ((c = getchar()) != -1) { f[c] += 1; nc++; } printf("char\tfreq\n"); for (i = 0; i <= 127; ++i) if (f[i] && f[i]/nc >= cutoff) { if (i <= ' ') printf("%03o", i); else printf("%c", i); printf("\t%.1f\n", 100*f[i]/nc); } return 0; }
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