📝 Better manual decryption instructions

Also, add decrypt.sh script to help with manual decryption.

2 files changed, 18 insertions, 1 deletions

diff --git a/README.md b/README.md
index 4901095..ece988b 100644
--- a/README.md
+++ b/README.md
@@ -29,11 +29,13 @@ To decrypt a file that was encrypted using `decrypt.nvim` without the plugin
 just run:
 
 ```
-cat encrypted.txt \
+tail -n +2 encrypted.txt \
   | base64 --decode \
   | openssl enc -d -aes-256-cbc -pbkdf2 -salt -in - -out - -k {PASSWORD}
 ```
 
+Or use the provided [decrypt.sh](decrypt.sh)
+
 ## TODO
 
 - [ ] Store the password in a local scope in the plugin instead of as a buffer
diff --git a/decrypt.sh b/decrypt.sh
new file mode 100755
index 0000000..914be88
--- /dev/null
+++ b/decrypt.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [ $# -lt 2 ]; then
+  echo "Usage: decrypt.sh <encrypted.txt> <password>"
+  exit 1
+fi
+
+filename="$1"
+password="$2"
+
+tail -n +2 "$filename" \
+  | base64 --decode \
+  | openssl enc -d -aes-256-cbc -pbkdf2 -salt -in - -out - -k "$password"