Add a note about 'dpw-env' and allow editing on backends that don't support overwrite

1 files changed, 16 insertions, 1 deletions

diff --git a/dpw b/dpw
index a342366..29ed97e 100755
--- a/dpw
+++ b/dpw
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2021 Mitchell Riedstra
+# Copyright 2022 Mitchell Riedstra
 # 
 # Permission to use, copy, modify, and/or distribute this software for any purpose
 # with or without fee is hereby granted, provided that the above copyright notice
@@ -84,6 +84,20 @@ If you're using oksh / OpenBSD KSH, completion can be installled with:
 	show copy type list ls mv cp rm edit otp fnd find insert \\
 	&& set -A complete_dpw_2 -- \$(dpw list)
 
+If you would like to make exporting environment variables from passwords easy
+a shell function can be used:
+
+dpw-env() {
+	_f="\$(mktemp)"
+	pass "\$@" > "\$_f"
+	#shellcheck disable=SC1090
+	. "\$_f"
+	rm -f "\$_f"
+}
+
+Just be careful, that will lead your shell to executaing whatever the contents
+of that particular entry are.
+
 EOF
 
 exit 0
@@ -180,6 +194,7 @@ _f="$(mktemp "${tmpdir}/dpw.XXXXXXXXXX")"
 trap "rm -f \"$_f\"; exit 0" EXIT INT
 show "$_pth" > "$_f"
 ${EDITOR:-vi} "$_f"
+remove "$_pth"
 insert "$_pth" < "$_f"
 rm -f "$_f"
 }