Uppercase the vowels
I cannot for the life of me figure out why my program isn't displaying the vowels as uppercase letters. I would appreciate any feedback!
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#include <iostream>
#include <string>
#include <fstream>
#include <iomanip>
using namespace std;
void upperVowel(string&);
int main()
{
string inputfilename, outputfilename;
ifstream infile;
ofstream outfile;
string words;
cout << "Please enter the name of the input file" << endl;
cin >> inputfilename;
infile.open(inputfilename.c_str());
cout << "Please enter the name of the output file" << endl;
cin >> outputfilename;
outfile.open(outputfilename.c_str());
outfile << "Input file name: " << inputfilename << endl;
outfile << "Reformatted Words in the File" << endl;
infile >> words;
if (!infile)
{
cout << inputfilename << " was not successfully opened" << endl;
}
else
{
while (infile)
{
outfile << left << setw(11) << words << endl;
upperVowel(words);
infile >> words;
}
infile.close();
}
outfile.close();
return 0;
}
void upperVowel(string& words)
{
for (int i = 0; i < words.length(); i++)
{
if (words[i] == 'a' or words[i] == 'e' or words[i] == 'i' or
words[i] == 'o' or words[i] == 'u')
{
words[i] = toupper(words[i]);
}
else
{
words[i] = tolower(words[i]);
}
}
}
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outfile << left << setw(11) << words << endl;
upperVowel(words);
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It does convert the vowels to upper case ... but only AFTER you have written the word to file.
Try reversing the two lines above.
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