sed two patterns
sed 's/ab/~~/g; s/bc/ab/g; s/~~/bc/g'sed two patterns
sed 's/ab/~~/g; s/bc/ab/g; s/~~/bc/g'sed two patterns
sed 's/ab/~~/g; s/bc/ab/g; s/~~/bc/g'Copyright © 2021 Codeinu
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