From f8d6037a989e40425f2faa09c6eb892de0c83509 Mon Sep 17 00:00:00 2001
From: Hsieh Chin Fan <pham@topo.tw>
Date: Fri, 24 Mar 2023 00:04:01 +0800
Subject: Update

---
 bin/gpt/gpt | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/bin/gpt/gpt b/bin/gpt/gpt
index 4d0f651..1fa78d7 100755
--- a/bin/gpt/gpt
+++ b/bin/gpt/gpt
@@ -5,18 +5,35 @@
 #   https://help.openai.com/en/articles/6654000-best-practices-for-prompt-engineering-with-openai-api
 # - Print token usage when exit
 
+# Necessary commands
+stacks=( curl jq )
+
 # User can dynamically change these options for API call
 configurable_options=( behavior temperature max_tokens )
 
 # If script is interupt by SIGINT, simply print leave message
 trap _print_leave_message INT
 
+_check_stacks() {
+  # Print all available options
+  index=0
+  for command in "${stacks[@]}"; do
+    which "$command" &>/dev/null && continue
+    echo "$command" is needed
+    exit 1
+  done
+}
+
 # Function for printing helper message
 _print_helper_message() {
   cat <<EOF
 Usage: gpt [-h] [-m MODEL] [-m4] [-b BEHAVIOR] [-t temperature]
            [-M MAX_TOKENS] [-s] [MESSAGE]
 
+Env:
+  OPENAI_API_KEY    (Required)
+                    Generate API key from https://platform.openai.com/account/api-keys
+
 Options:
   -h, --help        show this help message and exit
 
@@ -111,10 +128,9 @@ _get_content() {
 }
 
 # Check OPENAI API KEY"Department:" 3 1 "" 3 15 25 0
-[ -z "$OPENAI_API_KEY" ] && OPENAI_API_KEY=$(token openai)
+[ -z "$OPENAI_API_KEY" ] && which token &>/dev/null && OPENAI_API_KEY=$(token openai)
 [ -z "$OPENAI_API_KEY" ] && { echo API KEY not specified; exit 1; }
 
-
 # Parse arguments
 while [ "$#" -gt 0 ]; do
   case "$1" in
@@ -154,6 +170,9 @@ while [ "$#" -gt 0 ]; do
   esac
 done
 
+# Make sure necessary commands exist
+_check_stacks
+
 # Set variables in API calls
 ROUTE=v1/chat/completions
 model=${model:-gpt-3.5-turbo}
-- 
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