diff --git a/.local/bin/scripts/b b/.local/bin/scripts/b
index 9673a10..cc9ac69 100755
--- a/.local/bin/scripts/b
+++ b/.local/bin/scripts/b
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # [b]rowse - custom ls or bat depending on file type
 # Show type & contents of given files or PWD
 
diff --git a/.local/bin/scripts/bak b/.local/bin/scripts/bak
index 697abdd..63c710f 100755
--- a/.local/bin/scripts/bak
+++ b/.local/bin/scripts/bak
@@ -1,9 +1,12 @@
 #!/bin/sh
 suffix="${2:-bak}"
 orig="${1%%.$suffix}"
+smv () {
+  test -w "$1" && mv -v "$@" || sudo mv -v "$@"
+}
 if test -e "$orig.$suffix"
 then
-  test -e "$orig" && mv -v "$orig" /tmp
-  mv -vn "$orig.$suffix" "$orig"
-else mv -vn "$1" "$1.$suffix"
+  test -e "$orig" && smv "$orig" /tmp
+  smv -n "$orig.$suffix" "$orig"
+else smv -n "$1" "$1.$suffix"
 fi