From 46720e05e31b0e28977168d93641694794768977 Mon Sep 17 00:00:00 2001
From: Maxim Likhachev <envrm@yandex.ru>
Date: Sat, 22 Aug 2020 11:43:42 +0300
Subject: [PATCH] ++currency

---
 README.md |  4 ++++
 currency  | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100755 currency

diff --git a/README.md b/README.md
index 07a3f9d..c50a1ba 100644
--- a/README.md
+++ b/README.md
@@ -113,3 +113,7 @@ will create the symbolic link for each script in the \<path> directory.
 - [x-open](x-open) opens files via xdg-open (on Linux systems) or via open command (on MacOS).
 - [xstab](xstab) runs [st](https://st.suckless.org/) terminal with the [tabbed](https://tools.suckless.org/tabbed/).
 
+## Other
+
+- [currency](currency) shows the currency rate.
+
diff --git a/currency b/currency
new file mode 100755
index 0000000..3d33846
--- /dev/null
+++ b/currency
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+#
+# Simple currency converter
+#
+
+SHORT_OUTPUT=false
+
+exchange() {
+	local api_url="https://api.exchangeratesapi.io/latest?base=${1^^}&symbols=${2^^}"
+
+	curl -s -q -L "$api_url" \
+		| jq -r --arg short "$SHORT_OUTPUT" '
+		def round:
+			.*100.0 + 0.5 | floor / 100.0;
+
+		if ($short == "true") then
+			.rates    | to_entries | .[] | (.value | round | tostring)
+		else
+			"1 " + .base + " ≈ "
+			+ (.rates | to_entries | .[] | (.value | round | tostring) + " " + .key)
+		end
+	'
+}
+
+if [ $# -le 1 ]; then
+	echo "USAGE: $(basename "$0") ?-s? FROM TO1,TO2,...,TOn"
+	echo "  e.g: $(basename "$0") ?-s? USD EUR,RUB"
+	echo "Set -s to show only value."
+else
+	if [ "$1" == "-s" ]; then
+		SHORT_OUTPUT=true
+		shift
+	fi
+
+	exchange "$@"
+fi
+