epanda wrote:
Hi,
I have some lines like that
foo 0.5
foobar 1
bar 0.5
Is it possible to sum which result as 2 by using regexp and writing
the result line below all lines checked ?
foo 0.5
foobar 1
bar 0.5
total 2
You could do it all with Vim script, but in my opinion, the best way to
do something like that is to use a tool such as awk, in conjunction with
Vim's filter mechanism. E.g., Visually select the original 3 lines, then
execute...
'<,'>!awk '{sum += $2; print} END {printf "total\t\%f", sum}'
Brett Stahlman
Thanks
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