'Tr'_Command-3.sh

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

# Input Format

# A block of ASCII text.

# Output Format

# Replace all sequences of multiple spaces with just one space.

# Sample Input

# He  llo
# Wor  ld
# how  are  you

# Sample Output

# He llo
# Wor ld
# how are you

tr -s ' '