allow numbers to end with a comma in the sum command

makes it easier to paste stuff into the terminal
2022-03-05 17:40:40 -08:00 · 2022-03-05 17:40:40 -08:00 · 90038bf996
parent 7d895d20a7
commit 90038bf996
1 changed files with 1 additions and 0 deletions
--- a/sh/sum
+++ b/sh/sum
@ -16,6 +16,7 @@ sum() { ### @-
    ### **TODO:** consider renaming because sum(1) already exists.
    local sum=0
    for i; do
+        i="${i%,}"
        : $((sum+=i))
    done
    echo "$sum"