now reports token usage
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Frederico @ VilaRosa02
parent
0497fadab8
commit
cd5776963f
117
askChatGPT
117
askChatGPT
@ -1,7 +1,7 @@
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#!/usr/bin/env bash
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# askChatGPT - A simple Bash client for OpenAI Chat API
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# askChatGPT - Bash client for OpenAI Chat API with token-usage to stderr
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# Requires: curl, jq
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# Env var: OPENAI_API_KEY must be set
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# Env: OPENAI_API_KEY must be set
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set -euo pipefail
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@ -9,7 +9,8 @@ MODEL="gpt-4o-mini"
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PREPEND_TEXT=""
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CONTENT_FILE=""
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LIST_MODELS=0
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declare -a PROMPT_WORDS=() # <-- important: initialize the array
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STREAM=0
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declare -a PROMPT_WORDS=()
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usage() {
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cat <<EOF
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@ -20,42 +21,38 @@ Options:
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--list-models List available models from OpenAI
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-prepend <text> Text to prepend before the main prompt
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-content-from-file <file> Read prompt content from file
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-h, --help Show this help message
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--stream Stream output (still reports usage to stderr)
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-h, --help Show this help
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EOF
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}
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# Parse args
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-model)
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MODEL="$2"; shift 2 ;;
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--list-models)
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LIST_MODELS=1; shift ;;
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-prepend)
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PREPEND_TEXT="$2"; shift 2 ;;
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-content-from-file)
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CONTENT_FILE="$2"; shift 2 ;;
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-h|--help)
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usage; exit 0 ;;
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*)
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PROMPT_WORDS+=("$1"); shift ;;
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-model) MODEL="$2"; shift 2 ;;
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--list-models) LIST_MODELS=1; shift ;;
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-prepend) PREPEND_TEXT="$2"; shift 2 ;;
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-content-from-file) CONTENT_FILE="$2"; shift 2 ;;
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--stream) STREAM=1; shift ;;
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-h|--help) usage; exit 0 ;;
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*) PROMPT_WORDS+=("$1"); shift ;;
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esac
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done
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# Check deps
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# Deps
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for dep in curl jq; do
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command -v "$dep" >/dev/null 2>&1 || { echo "Error: '$dep' is required."; exit 1; }
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command -v "$dep" >/dev/null 2>&1 || { echo "Error: '$dep' is required." >&2; exit 1; }
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done
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# Check API key
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# API key
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if [[ -z "${OPENAI_API_KEY:-}" ]]; then
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echo "Error: OPENAI_API_KEY is not set."
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echo "Error: OPENAI_API_KEY is not set." >&2
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exit 1
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fi
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# List models
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if [[ "$LIST_MODELS" -eq 1 ]]; then
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curl -s https://api.openai.com/v1/models \
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curl -sS https://api.openai.com/v1/models \
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-H "Authorization: Bearer $OPENAI_API_KEY" \
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| jq -r '.data[].id' | sort
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exit 0
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@ -64,7 +61,7 @@ fi
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# Build prompt
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PROMPT_MAIN=""
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if [[ -n "$CONTENT_FILE" ]]; then
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[[ -f "$CONTENT_FILE" ]] || { echo "Error: file '$CONTENT_FILE' not found."; exit 1; }
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[[ -f "$CONTENT_FILE" ]] || { echo "Error: file '$CONTENT_FILE' not found." >&2; exit 1; }
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PROMPT_MAIN="$(<"$CONTENT_FILE")"
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elif (( ${#PROMPT_WORDS[@]} > 0 )); then
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PROMPT_MAIN="${PROMPT_WORDS[*]}"
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@ -72,7 +69,7 @@ else
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if ! [ -t 0 ]; then
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PROMPT_MAIN="$(cat)"
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else
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echo "Error: No prompt provided."
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echo "Error: No prompt provided." >&2
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usage
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exit 1
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fi
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@ -84,11 +81,14 @@ if [[ -n "$PREPEND_TEXT" ]]; then
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fi
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PROMPT_FULL+="$PROMPT_MAIN"
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# JSON-escape content safely
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JSON_CONTENT=$(printf '%s' "$PROMPT_FULL" | jq -Rs .)
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# Send request
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RESPONSE=$(curl -s https://api.openai.com/v1/chat/completions \
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API_URL="https://api.openai.com/v1/chat/completions"
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if [[ $STREAM -eq 0 ]]; then
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# -------- Non-streaming ----------
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RESPONSE=$(
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curl -sS "$API_URL" \
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-H "Content-Type: application/json" \
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-H "Authorization: Bearer $OPENAI_API_KEY" \
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-d "$(cat <<EOF
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@ -99,9 +99,10 @@ RESPONSE=$(curl -s https://api.openai.com/v1/chat/completions \
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]
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}
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EOF
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)")
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)"
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)
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# Extract and print answer (or error)
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# Print assistant reply to stdout
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echo "$RESPONSE" | jq -r '
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if .choices and .choices[0].message.content then
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.choices[0].message.content
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@ -111,3 +112,63 @@ echo "$RESPONSE" | jq -r '
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"Error: No content in response"
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end
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'
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# Print token usage to stderr (if present)
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if [[ "$(echo "$RESPONSE" | jq 'has("usage")')" == "true" ]]; then
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PT=$(echo "$RESPONSE" | jq -r '.usage.prompt_tokens // 0')
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CT=$(echo "$RESPONSE" | jq -r '.usage.completion_tokens // 0')
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TT=$(echo "$RESPONSE" | jq -r '.usage.total_tokens // 0')
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echo "tokens: prompt=$PT completion=$CT total=$TT" >&2
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fi
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else
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# -------- Streaming ----------
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# We request usage in the final streamed chunk
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# Note: final chunk will have .usage populated and .choices == []
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CURL_RESP=$(
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curl -sS -N "$API_URL" \
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-H "Content-Type: application/json" \
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-H "Authorization: Bearer $OPENAI_API_KEY" \
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-d "$(cat <<EOF
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{
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"model": "$MODEL",
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"stream": true,
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"stream_options": { "include_usage": true },
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"messages": [
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{"role": "user", "content": $JSON_CONTENT}
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]
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}
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EOF
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)"
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)
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# Process SSE lines
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USAGE_PRINTED=0
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# We’ll print content tokens as they come, and keep a trailing newline at the end
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while IFS= read -r line; do
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[[ $line != data:* ]] && continue
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payload="${line#data: }"
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[[ "$payload" == "[DONE]" ]] && break
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# Print incremental content (no newline, flush as it streams)
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chunk_content=$(printf '%s' "$payload" | jq -r '.choices[0].delta.content // empty' 2>/dev/null || true)
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if [[ -n "$chunk_content" ]]; then
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printf "%s" "$chunk_content"
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fi
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# If this chunk carries usage, print to stderr
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if [[ "$(printf '%s' "$payload" | jq 'has("usage")' 2>/dev/null || echo false)" == "true" ]]; then
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PT=$(printf '%s' "$payload" | jq -r '.usage.prompt_tokens // 0')
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CT=$(printf '%s' "$payload" | jq -r '.usage.completion_tokens // 0')
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TT=$(printf '%s' "$payload" | jq -r '.usage.total_tokens // 0')
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echo "" # ensure the streamed answer ends with newline on stdout
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echo "tokens: prompt=$PT completion=$CT total=$TT" >&2
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USAGE_PRINTED=1
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fi
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done <<< "$CURL_RESP"
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# Safety: if for some reason usage didn’t arrive, still end with newline
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if [[ $USAGE_PRINTED -eq 0 ]]; then
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echo ""
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fi
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fi
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