diff --git a/tools/function-stats.bindgen_20200823.rs b/tools/function-summary/bindgen_20200823.rs
similarity index 100%
rename from tools/function-stats.bindgen_20200823.rs
rename to tools/function-summary/bindgen_20200823.rs
diff --git a/tools/function-stats.sh b/tools/function-summary/function-summary.sh
similarity index 85%
rename from tools/function-stats.sh
rename to tools/function-summary/function-summary.sh
index 528b53629..f8f83415a 100755
--- a/tools/function-stats.sh
+++ b/tools/function-summary/function-summary.sh
@@ -4,24 +4,29 @@
 # and static inline functions in notcurses.h on the other, grouped by prefix.
 # It also generates some statistics.
 #
+# It would be nice if this script could check for changes in the body of
+# filtered functions, by asking git... between the date of today and a custom
+# past date you want to check out (modified file in the bindings).
+#
+# I should probably re-do this in Rust, and put it as an advanced example…
 
-PATH_SOURCE_FILE="../include/notcurses/notcurses.h"
+
+# TODO:enhancement: support multiple paths
+PATH_SOURCE_FILE="../../include/notcurses/notcurses.h"
 
 # this is the path to the latest bindgen generated rust sources
-PATH_BINDGEN_LATEST="function-stats.bindgen_20200823.rs"
+# TODO: retrieve it automatically, from the target folder, the most recently created/updated)
+PATH_BINDGEN_LATEST="bindgen_20200823.rs"
 
 # these are the main function prefixes used in notcurses (before the first `_`) for STATS_FILE
+# NOTE: updated manually
 PREFIX_LIST="cell channel ncblit ncdirect ncdplot ncfadectx ncfdplane nckey ncmenu ncmetric ncmultiselector ncpixel ncplane ncreader ncreel ncselector ncsubproc nctablet ncuplot ncvisual notcurses palette"
 
 
-OUTPUT_DIR_ROOT="function-stats-output/"
-#DATE="$(date +%Y%m%d_%H%M%S)" # with time
-DATE="$(date +%Y%m%d)"
-OUTPUT_DIR="$OUTPUT_DIR_ROOT/$DATE"
+OUTPUT_DIR="out-$(date +%Y%m%d)"
 OUTPUT_DIR_BG="$OUTPUT_DIR/bindgen" # (bindgen generated)
 OUTPUT_DIR_SI="$OUTPUT_DIR/static" # (static inline)
 STATS_FILE="$OUTPUT_DIR/STATS"
-# TODO: add to the STATS_FILE and/or OUTPUT_DIR a prefix of the source_file
 
 TERM="static inline"
 
@@ -99,10 +104,11 @@ generate() {
 	listfn_bindgen | $GREP -vE "$filterout" | $UNIQ -u | $SORT > "$OUTPUT_DIR_BG/_NON_FILTERED" | tee -a $STATS_FILE
 	listfn | $GREP -vE "$filterout" | $UNIQ -u | $SORT > "$OUTPUT_DIR_SI/_NON_FILTERED" | tee -a $STATS_FILE
 
+	echo -e "\n» results generated in folder \"$OUTPUT_DIR\""
 
-}
+} #/generate
 
-usage() {
+main() {
 
 	if [[ $1 == "p" ]]; then
 		listprefixes
@@ -130,4 +136,4 @@ usage() {
 	fi
 }
 
-usage $1
+main $1
diff --git a/tools/function-stats-output/20200823/STATS b/tools/function-summary/out-20200823/STATS
similarity index 100%
rename from tools/function-stats-output/20200823/STATS
rename to tools/function-summary/out-20200823/STATS
diff --git a/tools/function-stats-output/20200823/bindgen/_NON_FILTERED b/tools/function-summary/out-20200823/bindgen/_NON_FILTERED
similarity index 100%
rename from tools/function-stats-output/20200823/bindgen/_NON_FILTERED
rename to tools/function-summary/out-20200823/bindgen/_NON_FILTERED
diff --git a/tools/function-stats-output/20200823/bindgen/cell b/tools/function-summary/out-20200823/bindgen/cell
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rename from tools/function-stats-output/20200823/bindgen/cell
rename to tools/function-summary/out-20200823/bindgen/cell
diff --git a/tools/function-stats-output/20200823/bindgen/channel b/tools/function-summary/out-20200823/bindgen/channel
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rename from tools/function-stats-output/20200823/bindgen/channel
rename to tools/function-summary/out-20200823/bindgen/channel
diff --git a/tools/function-stats-output/20200823/bindgen/ncblit b/tools/function-summary/out-20200823/bindgen/ncblit
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rename from tools/function-stats-output/20200823/bindgen/ncblit
rename to tools/function-summary/out-20200823/bindgen/ncblit
diff --git a/tools/function-stats-output/20200823/bindgen/ncdirect b/tools/function-summary/out-20200823/bindgen/ncdirect
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rename from tools/function-stats-output/20200823/bindgen/ncdirect
rename to tools/function-summary/out-20200823/bindgen/ncdirect
diff --git a/tools/function-stats-output/20200823/bindgen/ncdplot b/tools/function-summary/out-20200823/bindgen/ncdplot
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rename from tools/function-stats-output/20200823/bindgen/ncdplot
rename to tools/function-summary/out-20200823/bindgen/ncdplot
diff --git a/tools/function-stats-output/20200823/bindgen/ncfadectx b/tools/function-summary/out-20200823/bindgen/ncfadectx
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rename from tools/function-stats-output/20200823/bindgen/ncfadectx
rename to tools/function-summary/out-20200823/bindgen/ncfadectx
diff --git a/tools/function-stats-output/20200823/bindgen/ncfdplane b/tools/function-summary/out-20200823/bindgen/ncfdplane
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rename from tools/function-stats-output/20200823/bindgen/ncfdplane
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diff --git a/tools/function-stats-output/20200823/bindgen/nckey b/tools/function-summary/out-20200823/bindgen/nckey
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rename from tools/function-stats-output/20200823/bindgen/nckey
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diff --git a/tools/function-stats-output/20200823/bindgen/ncmenu b/tools/function-summary/out-20200823/bindgen/ncmenu
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rename from tools/function-stats-output/20200823/bindgen/ncmenu
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diff --git a/tools/function-stats-output/20200823/bindgen/ncmetric b/tools/function-summary/out-20200823/bindgen/ncmetric
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rename from tools/function-stats-output/20200823/bindgen/ncmetric
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diff --git a/tools/function-stats-output/20200823/bindgen/ncmultiselector b/tools/function-summary/out-20200823/bindgen/ncmultiselector
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rename from tools/function-stats-output/20200823/bindgen/ncmultiselector
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diff --git a/tools/function-stats-output/20200823/bindgen/ncpixel b/tools/function-summary/out-20200823/bindgen/ncpixel
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rename from tools/function-stats-output/20200823/bindgen/ncpixel
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diff --git a/tools/function-stats-output/20200823/bindgen/ncplane b/tools/function-summary/out-20200823/bindgen/ncplane
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rename from tools/function-stats-output/20200823/bindgen/ncplane
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diff --git a/tools/function-stats-output/20200823/bindgen/ncreader b/tools/function-summary/out-20200823/bindgen/ncreader
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diff --git a/tools/function-stats-output/20200823/bindgen/ncreel b/tools/function-summary/out-20200823/bindgen/ncreel
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diff --git a/tools/function-stats-output/20200823/bindgen/ncselector b/tools/function-summary/out-20200823/bindgen/ncselector
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diff --git a/tools/function-stats-output/20200823/bindgen/ncsubproc b/tools/function-summary/out-20200823/bindgen/ncsubproc
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diff --git a/tools/function-stats-output/20200823/bindgen/nctablet b/tools/function-summary/out-20200823/bindgen/nctablet
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diff --git a/tools/function-stats-output/20200823/bindgen/ncuplot b/tools/function-summary/out-20200823/bindgen/ncuplot
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diff --git a/tools/function-stats-output/20200823/bindgen/ncvisual b/tools/function-summary/out-20200823/bindgen/ncvisual
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diff --git a/tools/function-stats-output/20200823/bindgen/notcurses b/tools/function-summary/out-20200823/bindgen/notcurses
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diff --git a/tools/function-stats-output/20200823/bindgen/palette b/tools/function-summary/out-20200823/bindgen/palette
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diff --git a/tools/function-stats-output/20200823/static/cell b/tools/function-summary/out-20200823/static/cell
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diff --git a/tools/function-stats-output/20200823/static/channel b/tools/function-summary/out-20200823/static/channel
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diff --git a/tools/function-stats-output/20200823/static/ncmenu b/tools/function-summary/out-20200823/static/ncmenu
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