bash/every-chmod: generate every combination of rwx for chmod

bash/every-chmod

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+perms=(___ __x _w_ _wx r__ r_x rw_ rwx)
+
+perms() {
+  local perm perm_str
+
+  for perm do
+    perm_str=$perm_str${perms[$perm]}
+  done
+
+  printf %s "$perm_str"
+}
+
+for owner in {0..7}; do
+  for group in {0..7}; do
+    for universe in {0..7}; do
+      printf 'chmod_%s() {\n' "$(perms "$owner" "$group" "$universe")"
+      printf '    chmod %d%d%d "$@"\n' "$owner" "$group" "$universe"
+      printf '}\n'
+      printf '\n'
+    done
+  done
+done