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REVIEW - Functions and Streams In this worksheet, you will practice writing functions involving problems that use streams (stringstreams, file streams) and String methods (find, substr) Exercise 1 Following is a code snippet for a program that reads several lines from a file¹. It prints words ignoring commas and whitespace in each line. Lastly, it prints the number of such words. //Extract each line while (getline(namelFS, line)) { } int count = 0; //From the line, extract words up to comma istringstream lineSS(line); string words; while (getline(lineSS, words, ',')) { //Extract each word from the words string word2; istringstream wordSS(words); while (wordSS >> word2) { } cout << word2 << " "; ++count; } cout << count << endl; Example file data.txt: why did the chicken cross the playground? Because, it wanted to go to the other slide! Ha, ha ha ha " Output file data_parse.txt: why did the chicken cross the playground? 7 Because it wanted to go to the other slide! 9 Ha ha ha ha 4 Let us divide the above code into two functions and rewrite it. Such a process is called refactoring (which you also did for the last problem in Lab 03). The two functions you need to write are in the following two pages.

REVIEW - Functions and Streams In this worksheet, you will practice writing functions involving problems that use streams (stringstreams, file streams) and String methods (find, substr) Exercise 1 Following is a code snippet for a program that reads several lines from a file¹. It prints words ignoring commas and whitespace in each line. Lastly, it prints the number of such words. //Extract each line while (getline(namelFS, line)) { } int count = 0; //From the line, extract words up to comma istringstream lineSS(line); string words; while (getline(lineSS, words, ',')) { //Extract each word from the words string word2; istringstream wordSS(words); while (wordSS >> word2) { } cout << word2 << " "; ++count; } cout << count << endl; Example file data.txt: why did the chicken cross the playground? Because, it wanted to go to the other slide! Ha, ha ha ha " Output file data_parse.txt: why did the chicken cross the playground? 7 Because it wanted to go to the other slide! 9 Ha ha ha ha 4 Let us divide the above code into two functions and rewrite it. Such a process is called refactoring (which you also did for the last problem in Lab 03). The two functions you need to write are in the following two pages.

C++ for Engineers and Scientists
C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter8: I/o Streams And Data Files
Section: Chapter Questions
Problem 8PP: (Data processing) A bank’s customer records are to be stored in a file and read into a set of arrays...
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REVIEW - Functions and Streams In this worksheet, you will practice writing functions involving problems that use streams (stringstreams, file streams) and String methods (find, substr) Exercise 1 Following is a code snippet for a program that reads several lines from a file¹. It prints words ignoring commas and whitespace in each line. Lastly, it prints the number of such words. //Extract each line while (getline(namelFS, line)) { int count = 0; //From the line, extract words up to comma istringstream lineSS(line); string words; while (getline(lineSS, words, ',')) { //Extract each word from the words string word2; istringstream wordSS(words); while (wordSS >> word2) { } cout << word2 << " "; ++count ; } cout << count << endl; Example file data.txt: why did the chicken cross the playground? Because, it wanted to go to the other slide! Ha, ha, ha ha Output file data_parse.txt: why did the chicken cross the playground? 7 Because it wanted to go to the other slide! 9 Ha ha ha ha 4 Let us divide the above code into two functions and rewrite it. Such a process is called refactoring (which you also did for the last problem in Lab 03). The two functions you need to write are in the following two pages.
Transcribed Image Text:REVIEW - Functions and Streams In this worksheet, you will practice writing functions involving problems that use streams (stringstreams, file streams) and String methods (find, substr) Exercise 1 Following is a code snippet for a program that reads several lines from a file¹. It prints words ignoring commas and whitespace in each line. Lastly, it prints the number of such words. //Extract each line while (getline(namelFS, line)) { int count = 0; //From the line, extract words up to comma istringstream lineSS(line); string words; while (getline(lineSS, words, ',')) { //Extract each word from the words string word2; istringstream wordSS(words); while (wordSS >> word2) { } cout << word2 << " "; ++count ; } cout << count << endl; Example file data.txt: why did the chicken cross the playground? Because, it wanted to go to the other slide! Ha, ha, ha ha Output file data_parse.txt: why did the chicken cross the playground? 7 Because it wanted to go to the other slide! 9 Ha ha ha ha 4 Let us divide the above code into two functions and rewrite it. Such a process is called refactoring (which you also did for the last problem in Lab 03). The two functions you need to write are in the following two pages.
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