While Read Line. If $line is found, it outpouts 0 (true) the command after && will be evaluated Web 3 answers sorted by:
How to read a file line by line on Linux?
Evaluating this expression consists in calling b.readline(), affecting the returned value to a, and comparing a with null. As other have pointed out, awk redirection occur later. So depending on the state variable while loop is executed, and type (state) can be bool,int. But to read lines from file using while as mentioned below. My assumption is when the while runs line variable is empty and it should be false and while loop exit but it does not. Web while((a = b.readline()) != null){. 4 you pipe data into your the while loops stdin. Web while loop will read the var one by one , but assign the last parts to one var. Web viewed 842 times. Echo $line) to prevent problems and misinterpretations.
Of course, if you only assign one var (line), then $line will get the whole line. Evaluating this expression consists in calling b.readline(), affecting the returned value to a, and comparing a with null. How does while loop work in python when reading lines? Of course, if you only assign one var (line), then $line will get the whole line. Using && (and) means that the whole statement will only return a zero status if read is able to read a line, and that line is not empty. 4 you pipe data into your the while loops stdin. State=true #can be set to {anyinterger,true,false} while state: } at each iteration, the condition inside the parentheses is evaluated. Echo $line) to prevent problems and misinterpretations. So depending on the state variable while loop is executed, and type (state) can be bool,int. As other have pointed out, awk redirection occur later.
