awk.md

Use # as separating char, print 2. and 3. argument

cat <file> | awk -F '#' '{print $2,$3}'

Print last and second last match

cat <file> | awk -F '.' '{print $(NF-1)"."$NF}'

Convert to lower case

awk '{print tolower($1)}'

Print first two chars

awk '{print substr($1,1,2)}'

Print line if less 10 chars

awk 'length($1) < 10 { print $1 }'

Replace ; with :

awk -F ";" '{gsub(/;/, ":"); print}'