Merge pull request #1 from d00vy/patch-1

Feature: added test for dependencies

markets-picker.sh

@@ -70,6 +70,22 @@ if [ -z ${minChange+x} ]; then
     exit 1
 fi
 
+# Check for dependencies | d00vy
+echo $(date +"%Y/%m/%d %H:%M:%S") "[INFO] Testing for dependencies..."
+if (cryptotrader about) | grep -q 'Stefan'; then
+    :
+    else echo $(date +"%Y/%m/%d %H:%M:%S") "[ERROR] Please install 'cryptotrader'..."; exit 1
+fi
+if (jq --help) | grep -q 'JSON'; then
+    :
+    else echo $(date +"%Y/%m/%d %H:%M:%S") "[ERROR] Please install 'jq'..."; exit 1
+fi
+if (bc --help) | grep -q 'mathlib'; then
+    :
+    else echo $(date +"%Y/%m/%d %H:%M:%S") "[ERROR] Please install 'bc'..."; exit 1
+fi
+echo $(date +"%Y/%m/%d %H:%M:%S") "[INFO] Dependencies met..."
+
 # Get markets and filter by quote
 echo $(date +"%Y/%m/%d %H:%M:%S") "[INFO] Loading markets from $exchange..."
 markets=$(cryptotrader markets --exchange=$exchange \
@@ -148,4 +164,4 @@ symCount=$(echo "$symbols" | awk -F "," '{print NF-1}')
 symbols=$(echo $symbols | sed 's/.$//') # Trim extra comma from end of string | Another approach: pairs=${pairs%,}
 echo $(date +"%Y/%m/%d %H:%M:%S") "[INFO] Filtered a total of $symCount $quoteCurr markets:"
 echo $(date +"%Y/%m/%d %H:%M:%S") "[INFO] $symbols"
-echo
+echo