使用sed,awk将love转换成LOVE,将CHINA转换成china
将love转换成LOVE,将CHINA转换成china
echo "love CHINA" | sed -e 's/love/LOVE/' -e 's/CHINA/china/' echo "love CHINA" | sed -e 's/love/LOVE/' | sed -e 's/CHINA/china/'
echo "love CHINA" | awk '{gsub(/love|CHINA/,"LOVE,china");{print $1}}'