added personal line counting util

countlines.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+AUTHOR=$(git config user.email)
+echo -e "Checking commit stats for \033[38:5:2m$AUTHOR\033[0m..."
+
+# Get numstat for commits by author, filter only .java lines
+git log --author="$AUTHOR" --since="7 days ago" --pretty=tformat: --numstat \
+  | awk '
+    $3 ~ /\.java$/ {
+      added += $1
+      removed += $2
+    }
+    END {
+      print "Lines added in .java:", added
+      print "Lines removed in .java:", removed
+      print "Net lines:", added - removed
+    }'
+git log --author="$AUTHOR" --pretty=tformat: --numstat -- . ':(exclude)*Test.java' \
+  | awk '
+    $3 ~ /\.java$/ {
+      added += $1
+      removed += $2
+    }
+    END {
+      print "Lines added in .java (excluding *Test.java):", added
+      print "Lines removed in .java (excluding *Test.java):", removed
+      print "Net lines:", added - removed
+    }'