30 lines
470 B
Text
30 lines
470 B
Text
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%{
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#include <stdint.h>
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uint32_t line_count = 0;
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uint32_t word_count = 0;
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%}
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%%
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^[[:blank:]]*\n
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[[:blank:]]+$
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^[[:blank:]]+
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[[:blank:]]+ { putchar(' '); }
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\n { line_count += 1; ECHO; }
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[[:^space:]]+ { word_count += 1; ECHO; }
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. { ECHO; }
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%%
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// https://westes.github.io/flex/manual/Patterns.html
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#include <stdlib.h>
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int main(void) {
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yylex();
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printf("%d %d\n", line_count, word_count);
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return EXIT_SUCCESS;
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}
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