[problem]
You want to display line lengths – then average line length of file.
[/problem]
[solution]
Snip using awk – see example.
[/solution]
[example]
awk ' { thislen=length($0); printf("%-5s %d\n", NR, thislen); totlen+=thislen}
END { printf("average: %d\n", totlen/NR); } ' filename
[/example]
[reference]
gawk, Unix Coding School
[/reference]
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