From 168aa76b2a7a795df6e6a96825c7d31d6a1e7ad8 Mon Sep 17 00:00:00 2001
From: HAYAMA_Kaoru <iyahaya@nifty.com>
Date: Thu, 5 Dec 2024 12:19:21 +0900
Subject: [PATCH] README: wrote about `(wait PID)`

---
 README.md | 65 ++++++++++++++++++++++++++++++-------------------------
 1 file changed, 36 insertions(+), 29 deletions(-)

diff --git a/README.md b/README.md
index c92593a..bc82106 100644
--- a/README.md
+++ b/README.md
@@ -17,37 +17,42 @@ Lispect
     (progn
       (format (error-output) "Usage: ~A ~A USERNAME@DOMAIN PASSWORD~%" $EXECUTABLE_NAME $PROGRAM_NAME)
       (return-from main nil)))
-  (defglobal account (car args))
-  (defglobal password (cadr args))
 
-  (with-handler
-    (lambda (c)
-      (format (error-output) "ssh is not found~%")
-      (return-from main nil))
-    (spawn "ssh" account))
+  (let ((account (car args))
+        (password (cadr args))
+        (sshpid nil))
 
-  (expect*
-    ("[fingerprint])?"
-     (sendln "yes")
-     (expect "password: ")
-     (sendln password))
-    ("password: "
-     (sendln password))
-    (("Connection refused"
-      "Could not resolve hostname")
-     (return-from main nil))
-    (30
-     (format (error-output) "TIME OUT~%")
-     (return-from main nil)))
+    (with-handler
+      (lambda (c)
+        (format (error-output) "ssh is not found~%")
+        (return-from main nil))
+      (setq sshpid (spawn "ssh" account)))
 
-  (expect*
-    ("Permission denied"
-     (return-from main nil)
-     )
-    ("$ "))
-  (sendln "echo YOU CAN CALL SOME COMMAND HERE")
-  (expect "$ ")
-  (sendln "exit"))
+    (expect*
+      ("[fingerprint])?"
+       (sendln "yes")
+       (expect "password: ")
+       (sendln password))
+      ("password: "
+       (sendln password))
+      (("Connection refused"
+        "Could not resolve hostname")
+       (return-from main nil))
+      (30
+       (format (error-output) "TIME OUT~%")
+       (return-from main nil)))
+
+    (expect*
+      ("Permission denied"
+       (return-from main nil)
+       )
+      ("$ "))
+    (sendln "echo YOU CAN CALL SOME COMMAND HERE")
+    (expect "$ ")
+    (sendln "exit")
+    (wait sshpid)
+    )
+  )
 ```
 
 Install
@@ -92,7 +97,9 @@ Parameters enclosed in curly braces {...} are optional and can be omitted.
     - When STRING-n is found on the terminal, COMMANDS-n will be executed
     - After SEC seconds have elapsed, COMMANDS-FOR-TIMEOUT will be executed
 - `(spawn "COMMANDNAME" "ARG-1" ...)`
-    - Start the executable file
+    - Start the executable file and it returns Process-ID
+- `(wait PID)`
+    - Wait the process specified with PID
 - `(getenv "NAME")`
     - Get the value of the environment variable NAME
 - `(setenv "NAME" "VALUE")`