HackerRank - 'Tr' Command #3

Problem:

In a given fragment of text, replace all sequences of multiple spaces with just one space.

# Input

• He llo
• Wor ld
• how are you

# Output

• He llo
• Wor ld
• how are you

# Solution

            
    tr -s ' '
    

# Solution_01

            
    tr -s [:space:]
    

# Solution_02

            
    while read line
    do 
        echo "$line" | tr -s ' '
    done
    

Post:

• 2025-04 - Sort Command #1;