60 lines
1.5 KiB
Bash
Executable File
60 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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# hledger-prices
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#
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# Retrieve and update hledger prices file
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# Check bash version
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# https://askubuntu.com/a/916978/533341
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if [ ! "${BASH_VERSINFO:-0}" -ge 4 ]; then
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echo "Bash version 4 or higher required!"
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echo "Your version: ${BASH_VERSION}"
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exit 1
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fi
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# Import config.env
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if [ ! -f "config.env" ]; then
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echo "config.env not found!"
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exit 2
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fi; . config.env
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if [ "${PRICES_FILE}" == "" ]; then
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echo "PRICES_FILE is not defined in config.env"
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exit 3
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elif [ "${POLYGON_API_KEY}" == "" ]; then
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echo "POLYGON_API_KEY is not defined in config.env"
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exit 3
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fi
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# Create prices file if it doesn't exist
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if [ ! -f "${PRICES_FILE}" ]; then
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mkdir -p "$(dirname PRICES_FILE)" 2>/dev/null
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touch "$PRICES_FILE"
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fi
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# Do the thing
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for asset in ${!assets[@]}; do
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echo "Checking $asset..."
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url="https://api.polygon.io/v2/aggs/ticker/${assets[${asset}]}/prev?apiKey=${POLYGON_API_KEY}"
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#echo " URL: $url"
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res=$(curl --silent "$url")
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# Check the result
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if [ "$(echo $res | jq -r '.status')" == "ERROR" ]; then
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echo " $(echo $res | jq -r '.error')"
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elif [ "$(echo $res | jq -r '.resultsCount')" == "0" ]; then
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echo " No results found!"
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elif [ "$(echo $res | jq -r '.results[0].vw')" == "null" ]; then
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echo " Result was null!"
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# Looks good; add it
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else
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price="\$$(echo $res | jq '.results[0].vw')"
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echo " Price: $price"
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line="P $(date -I --date=yesterday) $asset"
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grep "$line" "$PRICES_FILE" >/dev/null \
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|| echo "$line $price" >> "$PRICES_FILE"
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sleep 10 # Optional, check API limits
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fi
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done
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