Sum of Columns for multiple variables - bash

Question

Using Shell Script (Bash), I am trying to sum the columns for all the different variables of a list. Suppose I have the following input of a Test.tsv file
Win Lost
Anna 1 1
Charlotte 3 1
Lauren 5 5
Lauren 6 3
Charlotte 3 2
Charlotte 4 5
Charlotte 2 5
Anna 6 4
Charlotte 2 3
Lauren 3 6
Anna 1 2
Anna 6 2
Lauren 2 1
Lauren 5 5
Lauren 6 6
Charlotte 1 3
Anna 1 4
And I want to sum up how much each of the participants have won and lost. So I want to get this as a result:
Sum Win Sum Lost
Anna 57 58
Charlotte 56 57
Lauren 53 56
What I would usually do is take the sum per person and per column and repeat that process over and over. See below how I would do it for the example mentioned:
cat Test.tsv | grep -Pi '\bAnna\b' | cut -f2 -d$'\t' |paste -sd+ | bc > Output.tsv
cat Test.tsv | grep -Pi '\bCharlotte\b' | cut -f2 -d$'\t' |paste -sd+ | bc >> Output.tsv
cat Test.tsv | grep -Pi '\bLauren\b' | cut -f2 -d$'\t' |paste -sd+ | bc >> Output.tsv
cat Test.tsv | grep -Pi '\bAnna\b' | cut -f3 -d$'\t' |paste -sd+ | bc > Output.tsv
cat Test.tsv | grep -Pi '\bCharlotte\b' | cut -f3 -d$'\t' |paste -sd+ | bc >> Output.tsv
cat Test.tsv | grep -Pi '\bLauren\b' | cut -f3 -d$'\t' |paste -sd+ | bc >> Output.tsv
However I would need to repeat this line for every participant. This becomes a pain when you have to many variables you want to sum it up for.
What would be the way to write this script?
Thanks!

Answer 1

This is pretty straightforward with awk. Using GNU awk:
awk -F '\t' 'BEGIN { OFS = FS } NR > 1 { won[$1] += $2; lost[$1] += $3 } END { PROCINFO["sorted_in"] = "#ind_str_asc"; print "", "Sum Win", "Sum Lost"; for(p in won) print p, won[p], lost[p] }' filename
-F '\t' makes awk split lines at tabs, then:
BEGIN { OFS = FS } # the output should be separated the same way as the input
NR > 1 { # From the second line forward (skip header)
won[$1] += $2 # tally up totals
lost[$1] += $3
}
END { # When done, print the lot.
# GNU-specific: Sorted traversal or player names
PROCINFO["sorted_in"] = "#ind_str_asc"
print "", "Sum Win", "Sum Lost"
for(p in won) print p, won[p], lost[p]
}