HackerRank - 'Tr' Command #2

Problem:

In this challenge, we practice using the tr command because it is a useful translation tool in Linux. In a given fragment of text, delete all the lowercase characters a- z.

# Input

• Hello
• World
• how are you

# Output

• H
• W

# Solution

            
    tr -d "a-z"
    

# Solution_01

            
    while read line
    do
        echo "$line" | tr -d "a-z"
    done 
    

Post:

• 2025-04 - 'Tr' Command #3;