Improve commenting/exit handling in binscripts

1 files changed, 13 insertions, 1 deletions

diff --git a/bin/mkcp b/bin/mkcp
index e5b7b717..37bc87c0 100755
--- a/bin/mkcp
+++ b/bin/mkcp
@@ -1,6 +1,18 @@
 #!/bin/sh
 # Copy files into created directory in one call
-[ "$#" -gt 2 ] || exit 2
+
+# Check we have at least two arguments
+if [ "$#" -lt 2 ] ; then
+    printf >&2 'mkcp: Need at least one source and destination\n'
+    exit 2
+fi
+
+# Get the last argument (the directory to create)
 for dir ; do : ; done
+
+# Create it, or bail
 mkdir -p -- "$dir" || exit
+
+# Copy all the remaining arguments into the directory (which will be the last
+# argument)
 cp -R -- "$@"