Huy Nguyen huyanhvn

## Shell string tricks
### REPLACE \n WITH LITERAL '\n'
sed -E ':a;N;$!ba;s/\r{0,1}\n/\\n/g'

### SEARCH AND PRINT REGEX MATCH
echo ... | sed -n -e "s/^.*arn:aws:iam::\(.*\):user.*/\1/p"

### PRINT SEQUENCE
seq -f "10.235.5.%g" 117 126

### SEARCH AND REPLACE IN FILES
	### REPLACE \n WITH LITERAL '\n'
	sed -E ':a;N;$!ba;s/\r{0,1}\n/\\n/g'

	### SEARCH AND PRINT REGEX MATCH
	echo ... \| sed -n -e "s/^.arn:aws:iam::\(.\):user.*/\1/p"

	### PRINT SEQUENCE
	seq -f "10.235.5.%g" 117 126

	### SEARCH AND REPLACE IN FILES