Add askChatGPT

askChatGPT

@@ -0,0 +1,116 @@
+#!/usr/bin/env bash
+
+# askChatGPT - A simple Bash client for OpenAI Chat API
+# Requires: curl, jq
+# Env var: OPENAI_API_KEY must be set
+
+set -euo pipefail
+
+MODEL="gpt-4o-mini"
+PREPEND_TEXT=""
+CONTENT_FILE=""
+LIST_MODELS=0
+
+usage() {
+    cat <<EOF
+Usage: $0 [options] [prompt text]
+
+Options:
+  -model <name>               Set the OpenAI model (default: $MODEL)
+  --list-models                List available models from OpenAI
+  -prepend <text>              Text to prepend before the main prompt
+  -content-from-file <file>    Read prompt content from file
+  -h, --help                   Show this help message
+
+Examples:
+  $0 "Write a haiku about Bash scripting"
+  $0 -model gpt-4o -prepend "Explain like I'm five:" "What is quantum physics?"
+  $0 -content-from-file notes.txt
+EOF
+}
+
+# Parse args
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        -model)
+            MODEL="$2"
+            shift 2
+            ;;
+        --list-models)
+            LIST_MODELS=1
+            shift
+            ;;
+        -prepend)
+            PREPEND_TEXT="$2"
+            shift 2
+            ;;
+        -content-from-file)
+            CONTENT_FILE="$2"
+            shift 2
+            ;;
+        -h|--help)
+            usage
+            exit 0
+            ;;
+        *)
+            PROMPT_WORDS+=("$1")
+            shift
+            ;;
+    esac
+done
+
+# Check API key
+if [[ -z "${OPENAI_API_KEY:-}" ]]; then
+    echo "Error: OPENAI_API_KEY is not set."
+    exit 1
+fi
+
+# List models
+if [[ "$LIST_MODELS" -eq 1 ]]; then
+    curl -s https://api.openai.com/v1/models \
+        -H "Authorization: Bearer $OPENAI_API_KEY" \
+    | jq -r '.data[].id' | sort
+    exit 0
+fi
+
+# Build prompt
+PROMPT=""
+if [[ -n "$PREPEND_TEXT" ]]; then
+    PROMPT+="$PREPEND_TEXT "
+fi
+
+if [[ -n "$CONTENT_FILE" ]]; then
+    if [[ ! -f "$CONTENT_FILE" ]]; then
+        echo "Error: file '$CONTENT_FILE' not found."
+        exit 1
+    fi
+    PROMPT+="$(<"$CONTENT_FILE")"
+elif [[ ${#PROMPT_WORDS[@]:-0} -gt 0 ]]; then
+    PROMPT+="${PROMPT_WORDS[*]}"
+else
+    # Read from stdin if nothing else provided
+    if ! [ -t 0 ]; then
+        PROMPT+="$(cat)"
+    else
+        echo "Error: No prompt provided."
+        usage
+        exit 1
+    fi
+fi
+
+# Send request
+RESPONSE=$(curl -s https://api.openai.com/v1/chat/completions \
+    -H "Content-Type: application/json" \
+    -H "Authorization: Bearer $OPENAI_API_KEY" \
+    -d @- <<EOF
+{
+  "model": "$MODEL",
+  "messages": [
+    {"role": "user", "content": "$PROMPT"}
+  ]
+}
+EOF
+)
+
+# Extract and print answer
+echo "$RESPONSE" | jq -r '.choices[0].message.content // "Error: No content in response"'