add script to query illumos keymaps for research (#9)

doc/attic/query-illumos-keymaps.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env zsh
+# usage: query-illumos-keymaps.sh <path/to/illumos-gate> <type4|type5|other>
+# illumos-gate: git clone https://github.com/illumos/illumos-gate.git
+set -euo pipefail -o bsdecho
+script_dir=${0:a:h}
+illumos_gate_dir=$1; shift
+layouts=$1; shift
+
+cd -- "$illumos_gate_dir/usr/src/cmd/loadkeys/type_4"
+case "$layouts" in
+(type4)
+    set -- reset us germany swiss_german belgium_france uk swiss_french netherlands sweden_finland denmark norway italy spain_latin_america portugal canada
+    ;;
+(type5)
+    set -- reset *_5
+    ;;
+(other)
+    set -- reset
+    for layout in *; do
+        case "$layout" in
+        (reset|us|germany|swiss_german|belgium_france|uk|swiss_french|netherlands|sweden_finland|denmark|norway|italy|spain_latin_america|portugal|canada|*_5|Makefile) ;;
+        (*) set -- "$@" "$layout" ;;
+        esac
+    done
+    ;;
+(*)
+    >&2 echo "second argument must be <type4|type5|other>"
+    exit 1
+    ;;
+esac
+for i in {0..127}; do
+    printf '%d (%02Xh)\n' $i $i
+    (
+        cd -- "$script_dir/../../src"
+        rg --with-filename '^  [{].+, 0x'$(printf \%02X $i)', 0x[^}]+[}],' bindings.h | cat || if [ $? -eq 2 ]; then exit 2; fi
+    )
+    # per solaris keytables(4), “Note that the single character may be any character in an 8-bit
+    # character set, such as ISO 8859/1.”, and all of the languages below seem to be best covered
+    # by ISO 8859-1 (Latin-1)
+    rg --sort=path '^key\s+'$i'\s+' "$@" | iconv -f ISO8859-1 -t UTF-8
+    echo
+done