BOL: Commands to Remove White Space In Text Or String Using Awk And Sed In Linux

BioScripts
Neelam Jha
Commands to Remove White Space In Text Or String Using Awk And Sed In Linux

Commands to Remove White Space In Text Or String Using Awk And Sed In Linux

By Neelam Jha 959 days ago

text=" ATGGTV AGTGACCTAGAGTGATGA G   GGRTTT"

echo "$text" | sed 's/ //g'
OR
echo "$text" | awk '{ gsub(/ /,""); print }'

Return: ATGGTVAGTGACCTAGAGTGATGAGGGRTTT

echo "$text" | sed 's/^ //g'

echo "$text" | sed 's/ \$//g'

#Multiple space
cat /tmp/test.txt | sed 's/[ ]\+/ /g'

echo "$text1" | awk '{ gsub(/[ ]+/," "); print }'

cat /tmp/test.txt | awk '{ gsub(/[ ]+/," "); print }'