
Use the following command: ``` $ GREP_SED="^\(\s\+master_type: \)true" \ && grep -rl "${GREP_SED}" test/integration/ \ | xargs sed -i -e "/${GREP_SED}/s//\1str/" ```
Use the following command: ``` $ GREP_SED="^\(\s\+master_type: \)true" \ && grep -rl "${GREP_SED}" test/integration/ \ | xargs sed -i -e "/${GREP_SED}/s//\1str/" ```