51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
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/*
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* C Program that Merges Lines Alternatively from 2 Files & Print Result
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*/
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#include<stdio.h>
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main()
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{
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char file1[10], file2[10];
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puts("enter the name of file 1"); /*getting the names of file to be concatenated*/
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scanf("%s", file1);
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puts("enter the name of file 2");
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scanf("%s", file2);
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FILE *fptr1, *fptr2, *fptr3;
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fptr1=fopen(file1, "r"); /*opening the files in read only mode*/
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fptr2=fopen(file2, "r");
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fptr3=fopen("merge2.txt", "w+"); /*opening a new file in write,update mode*/
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char str1[200];
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char ch1, ch2;
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int n = 0, w = 0;
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while (((ch1=fgetc(fptr1)) != EOF) && ((ch2 = fgetc(fptr2)) != EOF))
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{
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if (ch1 != EOF) /*getting lines in alternately from two files*/
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{
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ungetc(ch1, fptr1);
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fgets(str1, 199, fptr1);
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fputs(str1, fptr3);
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if (str1[0] != 'n')
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n++; /*counting no. of lines*/
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}
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if (ch2 != EOF)
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{
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ungetc(ch2, fptr2);
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fgets(str1, 199, fptr2);
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fputs(str1, fptr3);
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if (str1[0] != 'n')
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n++; /*counting no.of lines*/
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}
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}
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rewind(fptr3);
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while ((ch1 = fgetc(fptr3)) != EOF) /*countig no.of words*/
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{
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ungetc(ch1, fptr3);
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fscanf(fptr3, "%s", str1);
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if (str1[0] != ' ' || str1[0] != 'n')
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w++;
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}
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fprintf(fptr3, "\n\n number of lines = %d n number of words is = %d\n", n, w - 1);
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/*appendig comments in the concatenated file*/
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fclose(fptr1);
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fclose(fptr2);
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fclose(fptr3);
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}
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