In this HackerRank Cut #4 problem solution, we need to display the first four characters from each line of text.
Input Format
A text file with lines of ASCII text only.
Constraints
1 <= N <= 100
(N is the number of lines of text in the input file)
Output Format
The output should contain N lines. Each line should contain just the first four characters of the corresponding input line.
Sample Input
Hello
World
how are you
Sample Output
Hell
Worl
how
Problem solution.
while read line
do
echo $line | cut -c 1-4
done
Second solution.
cut -c1,2,3,4
Third solution.
cut -c1-4
