We help IT Professionals succeed at work.
Get Started

Read line by line

obad62
obad62 asked
on
346 Views
Last Modified: 2013-11-23
Hi there ,

I have this code which reads file correctly, the file has many line how can I alter this code to be read for examlp 10 lines only and print that in text browser .

In java (because I am java progarmmer ) we use .next method what about here !!!?

void Widget::on_pushButton_clicked() 
{ 
QFile file("file.txt"); 
if(!file.exists()){ 
ui ->textBrowser->append("file is not exists"); 
} 
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)){ 
ui ->textBrowser->append("file is not open"); 
return ; 
} 
QTextStream in(&file); 
while (!in.atEnd()) 
{ 
QString content = in.readLine(); 
ui->textBrowser->append(content); 
} 
}

Open in new window

Comment
Watch Question
CERTIFIED EXPERT
Top Expert 2012
Commented:
This problem has been solved!
Unlock 1 Answer and 2 Comments.
See Answer
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE