You could start with

perl -pe 's/,/./g;s/  +/,/g' rules.txt

Then delimit by comma. Both this in the comment with awk use regular expressions which are the popular tool for manipulating text.

' +' is a synonym for ' {2,}' both meaning 'two or more spaces'.

You could start with

perl -pe 's/,/./g;s/  +/,/g' rules.txt

then delimit by comma. Both this in the comment with awk use regular expressions which are the popular tool set for manipulating text.

( +) is a synonym for ( {2,}) both meaning "two or more spaces". The "+" is preceded by two spaces but stackexchange inline code blocks do not respect white spaces...

You could start with

perl -pe 's/,/./g;s/  +/,/g' rules.txt

Then delimit by comma. Both this in the comment with auk use regular expressions which are the popular tool for manipulating text.

' +' is a synonym for ' {2,}' both meaning 'two or more spaces'.

You could start with

perl -pe 's/,/./g;s/  +/,/g' rules.txt

Then delimit by comma. Both this in the comment with awk use regular expressions which are the popular tool for manipulating text.

' +' is a synonym for ' {2,}' both meaning 'two or more spaces'.