btc-ticker

1 files changed, 46 insertions, 0 deletions

diff --git a/bitcoin/btc_ticker.sh b/bitcoin/btc_ticker.sh
new file mode 100755
index 0000000..189bd26
--- /dev/null
+++ b/bitcoin/btc_ticker.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+get_key() {
+    echo $1 | sed -ne 's/^.*"\([a-zA-Z0-9_]\+\)":.*$/\1/p'
+}
+get_value() {
+    echo $1 | sed -ne 's/^.*"[^"]\+":"\?\([A-Za-z0-9$\.]*\)"\?$/\1/p'
+    echo $1 | sed -ne 's/^.*"[^"]\+":{$/{/p'
+}
+
+parse_json() {
+    local path=$1
+
+    while read line; do
+        if [ "$line" = "{" ]; then continue; fi
+        if [ "$line" = "}" ]; then
+            return;
+        fi
+
+        key=`get_key "$line"`
+        value=`get_value "$line"`
+        if [ -z "$key" ] || [ -z "$value" ]; then
+            echo "skip $line" >&2
+            continue
+        fi
+        if [ "$value" = "{" ]; then
+            parse_json "${path}_${key}"
+        else
+            printf "%s_%s=\"%s\"\n" $path $key $value
+        fi
+    done
+}
+
+preprocess_json() {
+    sed -e 's/}/\n}/g' | sed -e 's/\("[^"]\+":\)/\n\1/g' | tr -d ',' | sed -e 's/\\u/\\\\u/g'
+}
+
+eval $(curl -s --max-time 3 "http://data.mtgox.com/api/2/BTCEUR/money/ticker" | preprocess_json | parse_json "ticker")
+
+if [ "$ticker_result" = "success" ]; then
+    echo -n "฿"
+    echo -n " ➘ $ticker_data_sell_value $ticker_data_sell_currency"
+    echo -n " ➚ $ticker_data_buy_value $ticker_data_buy_currency"
+    echo -n " ⋀ $ticker_data_high_value $ticker_data_high_currency"
+    echo -n " ⋁ $ticker_data_low_value $ticker_data_low_currency"
+    echo
+fi