updated fast counter with docs

diff --git a/scripts/files/fast_counter.sh b/scripts/files/fast_counter.sh
index c40e33a37214554eefd20d1365612f0082293d4f..e359514e6298495a6819303601274d60354143ef 100644 (file)
--- a/scripts/files/fast_counter.sh
+++ b/scripts/files/fast_counter.sh
@@ -1,7 +1,14 @@
 
 
 for dir in "${@}"; do
-  /bin/ls -1fR "$dir" | grep -v "^$" | grep -v "^\.$" | grep -v "^\.\.$" | grep -v "$dir\/.*:$" | wc
+  /bin/ls -1fR "$dir" | grep -v "^$" | grep -v "^\.$" | grep -v "^\.\.$" | grep -v ".*:$" | wc -l
+
+    # patterns that remove files from being counted, above:
+    #
+    # ^$       -- all blank lines
+    # ^\.$     -- all lines with just a dot (current directory)
+    # ^\.\.$   -- all lines with just two dots (parent directory)
+    # .*:$     -- all lines that end with a colon (directory heading from recursive ls)
 done