49 lines
680 B
C
49 lines
680 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char const *argv[])
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{
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FILE *f;
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if (argc < 2)
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{
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printf("usage : %s <arg> <filename> \n", argv[0]);
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return EXIT_FAILURE;
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}
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if (argc > 1)
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{
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if (strcmp(argv[1],"-a")==0)
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{
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f=fopen(argv[2],"a");
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FILE *l;
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char output[100];
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while(!feof(l))
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{
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fputs(output,l);
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fgets
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}
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}
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else
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{
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f=fopen(argv[2],"w");
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}
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}
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else
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{
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f=fopen(argv[1],"w");
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}
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char input[100]={" "};
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fgets(input, 100, stdin);
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while(strcmp(input,"quit\n")!=0)
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{
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fputs(input,f);
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fgets(input, 100, stdin);
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}
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fclose(f);
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return 0;
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}
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