From 6d18c17400566db27f6b82c24a3e2985602b9e9a Mon Sep 17 00:00:00 2001
From: Nick Chambers <uplime@spookyinternet.com>
Date: Sun, 25 Jul 2021 21:24:33 -0500
Subject: [PATCH] bash/every-chmod: generate every combination of rwx for chmod

---
 bash/every-chmod | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 bash/every-chmod

diff --git a/bash/every-chmod b/bash/every-chmod
new file mode 100755
index 0000000..86df657
--- /dev/null
+++ b/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