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

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Neel
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 Neel 1191 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 }'