mrCoopDiff -n more to output the first n challenges only for debugging

1 files changed, 5 insertions, 0 deletions

diff --git a/bin/mrCoopDiff.js b/bin/mrCoopDiff.js
index 080aa28..c3066a3 100755
--- a/bin/mrCoopDiff.js
+++ b/bin/mrCoopDiff.js
@@ -34,6 +34,11 @@ const applyOperations = new Transform({
   transform(challenge, encoding, callback) {
     challengeCount++
 
+    if (argv.n && challengeCount > argv.n) {
+      callback()
+      return
+    }
+
     if (!argv.quiet) {
       if (process.stdout.isTTY && challengeCount % 1000 === 0) {
         process.stdout.write(` ${challengeCount.toLocaleString()}\r`)