Fixed hash bang header

.gitignore

@@ -1 +1,2 @@
+.DS_Store
 *~

arch_delete_aws4.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyleft https://git.k8s.astropenguin.net/penguin/s3-arch-utils
 
 # ##

arch_delete_many_aws4.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyleft https://git.k8s.astropenguin.net/penguin/s3-arch-utils
 
 # ##

arch_download_aws4.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyleft https://git.k8s.astropenguin.net/penguin/s3-arch-utils
 
 # ##

arch_getacl_aws4.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyleft https://git.k8s.astropenguin.net/penguin/s3-arch-utils
 
 # ##

arch_list_aws4.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyleft https://git.k8s.astropenguin.net/penguin/s3-arch-utils
 
 # ##

arch_upload_aws4.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copyleft https://git.k8s.astropenguin.net/penguin/s3-arch-utils
 
 # ##