Versiones iniciales

get-usdt-eur-range.sh

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+#!/bin/bash
+
+# === CONFIGURACIÓN ===
+COIN_ID="tether"
+VS_CURRENCY="eur"
+OUTPUT="usdt-eur-2025.csv"
+
+# Timestamps UNIX para 2025-01-01 → 2026-01-01
+FROM_TIMESTAMP=$(date -j -f "%Y-%m-%d" "2025-01-01" +"%s")
+TO_TIMESTAMP=$(date -j -f "%Y-%m-%d" "2026-01-01" +"%s")
+
+# === Llamada API ===
+URL="https://api.coingecko.com/api/v3/coins/$COIN_ID/market_chart/range?vs_currency=$VS_CURRENCY&from=$FROM_TIMESTAMP&to=$TO_TIMESTAMP"
+echo "📡 Llamando a CoinGecko..."
+RESPONSE=$(curl -s "$URL")
+
+# === CSV: cabecera ===
+echo "date_utc,date_gmt1,usdt_eur" > "$OUTPUT"
+
+# === Procesar respuesta JSON ===
+echo "$RESPONSE" | jq -c '.prices[]' | while read -r entry; do
+  ts_ms=$(echo "$entry" | jq '.[0]')
+  price=$(echo "$entry" | jq '.[1]')
+
+  # UTC (timestamp → fecha UTC)
+  date_utc=$(date -u -r "$((ts_ms/1000))" "+%Y-%m-%d %H:%M:%S")
+
+  # GMT+1
+  date_gmt1=$(TZ=Europe/Madrid date -r "$((ts_ms/1000))" "+%Y-%m-%d %H:%M:%S")
+
+  echo "$date_utc,$date_gmt1,$price"
+done | sort | uniq -f0 >> "$OUTPUT"
+
+echo "✅ Exportado como $OUTPUT"