Ravi Sir's Cards › AWS
sed line commands
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Why do we need it?
Pick, delete or add lines.
What is it?
Np print, d delete, a/i add.
How to do it
Use -n with p.
Example
Drop comments and blanks.
sed '/^#/d;/^$/d' my.cnf