What does `-e` option in sed do?
The -e parameters tells sed that you wish to supply multiple commands:
sed -e 's/string1/string2/g' -e 's/string4/string5/g'
This will replace string1 with string2 and string4 with string5.
The -e parameters tells sed that you wish to supply multiple commands:
sed -e 's/string1/string2/g' -e 's/string4/string5/g'
This will replace string1 with string2 and string4 with string5.