Problem

You want to display line lengths – then average line length of file.

Solution

Snip using awk – see example.

Example


awk ' { thislen=length($0); printf("%-5s %d\n", NR, thislen); totlen+=thislen}
END { printf("average: %d\n", totlen/NR); } ' filename

Reference

gawk, Unix Coding School

• Linux Man Pages – gawk command