Count lines changed in PRs

linesChanged.sh

#!/bin/zsh
# Put this the repo you want to examine

if [ $# -eq 0 ]; then
    echo "Please provide PR numbers as arguments."
    exit 1
fi

prs=("$@")

totalLines=0

for pr in "${prs[@]}"; do
    lines=$(gh pr diff "$pr" | diffstat | awk '{ total += $4 + $6 } END { print total }')

    echo "lines changed for $pr: $lines"
    ((totalLines += lines))
done

echo "Total lines changed for all prs: $totalLines"