Write a programming as per the following instruction:
(1) write a c++ code which reads the contents of a text file "first_file.txt"
(2) write a function named vowel_words () which will segregate the words starting with vowels from the "first_file.txt"
(3) write a c++ code which writes the resultant words to the output file ,"second_file.txt".
Example: content of first_file-"I am going to buy an umbrella "
Output in second_file.txt-Iam an umbrella
1
Expert's answer
2015-08-14T02:52:14-0400
Answer
#include <iostream> #include <fstream> #include <vector> using namespace std;
vector<string> vowel_words(vector<string>vs) { vector<string>res; for (auto s:vs) if (s[0]=='a'||s[0]=='A'||s[0]=='e'||s[0]=='E'||s[0]=='i'||s[0]=='I'||s[0]=='o'||s[0]=='O'||s[0]=='u'||s[0]=='U') res.push_back(s); return res; }
int main() { string s1="first_file.txt",s2="second_file.txt"; ifstream in; ofstream of; vector<string>vs; in.open(s1); for (string s;in>>s;) vs.push_back(s); in.close(); of.open(s2); for (auto s:vowel_words(vs)) of<<s<<" "; of.close();
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