Add terminal function to send email

.config/fish/config.fish

@@ -53,4 +53,52 @@ function hotspot
     sudo sysctl net.ipv4.ip_default_ttl=65
 end
 
+function send-email
+    set -l from "guix-home@ethanreece.com"
+    set -l to ""
+    set -l subject ""
+
+    # Parse the arguments
+    for arg in $argv
+        switch $arg
+            case '--from=*'
+                set from (string split '=' -- $arg)[2]
+            case '--to=*'
+                set to (string split '=' -- $arg)[2]
+            case '--subject=*'
+                set subject (string split '=' -- $arg)[2]
+        end
+    end
+
+    set temp_file (mktemp)
+
+    # Add required headers to the temporary file
+    echo "To: $to" >>$temp_file
+    echo "From: $from" >>$temp_file
+    echo "Subject: $subject" >>$temp_file
+    echo "" >>$temp_file # Add a blank line to separate headers from the body
+
+    # Open the temporary file with $EDITOR
+    $EDITOR $temp_file
+
+    # Extract the recipient from the file if not provided as an argument
+    if test -z "$to"
+        set to (grep -m 1 '^To: ' $temp_file | sed 's/^To: //')
+    end
+
+    echo "Do you want to send the email? (y/n)"
+    read -l response
+
+    if test "$response" = y
+        # Send the email using msmtp
+        msmtp $to <$temp_file
+        echo "Email sent."
+    else
+        echo "Email not sent."
+    end
+
+    # Delete the temporary file
+    rm $temp_file
+end
+
 fish_add_path -g