On 2018-07-08 17:41, John Darrah wrote:
On 7/8/2018 7:00 AM, Richard Owlett wrote:Until this thread I didn't have concept of "stream editor", much less the existence of "sed".I had heard of "AWK", but had an image of it being a regex parser.Awk is easy to learn because it is a minimal language. It can do anything sed can do and much more. I am always surprised that so many people opt to build long commands with cut/sed instead of using awk. FWIW, I use mawk because it is orders of magnitude faster than gawk. -- john
I'd like to learn some awk having found it handy once. apt says mawk is installed in /usr/bin I havelrwxrwxrwx 1 root root 21 Apr 2 22:29 awk -> /etc/alternatives/awk
-rwxr-xr-x 1 root root 658072 Jan 25 12:55 gawk -rwxr-xr-x 1 root root 3189 Jan 25 12:55 igawk -rwxr-xr-x 1 root root 121976 Mar 23 2012 mawklrwxrwxrwx 1 root root 22 Apr 2 22:29 nawk -> /etc/alternatives/nawk
"awk" returns options for gawk and "mawk does nothing ( back to prompt) In /etc/alternatives there is awk awk.1.gz nawk nawk.1.gz how to run mawk ? mick -- Key ID 4BFEBB31