Argument parsing for fetch_fio.

fetch_fio.sh

@@ -28,6 +28,74 @@
 # REST API endpoint
 APIURI=https://www.fio.cz/ib_api/rest
 
+# Configuration defaults - none
+CONFIG_FILE=/etc/hackerbase
+CFG_BANK_DIR=
+CFG_APIKEYS_FILE=
+ARG_BANK_DIR=
+ARG_APIKEYS_FILE=
+
+# Argument parsing
+while ! [ -z "$1" ] ; do
+    case "$1" in
+	-apikey)
+	    ARG_APIKEYS_FILE="$2"
+	    shift
+	    shift
+	    ;;
+	-bankdir)
+	    ARG_BANK_DIR="$2"
+	    shift
+	    shift
+	    ;;
+	-config)
+	    CONFIG_FILE="$2"
+	    shift
+	    shift
+	    ;;
+	*)
+	    echo "Usage: $0 [-config file] [-apikey file] [-bankdir dir]"
+	    exit 1
+	    ;;
+    esac
+done
+
+# Configuration parsing
+cat "$CONFIG_FILE" \
+    | sed 's/#.*//' \
+    | while read line ; do
+    name=${line%% *}
+    value=${line#* }
+    case "$name" in
+	apikeys-file)
+	    CFG_APIKEYS_FILE="$value"
+	    ;;
+	bank-dir)
+	    CFG_BANK_DIR="$value"
+	    ;;
+    esac
+done
+
+# Configuration merging
+if [ -z "$ARG_BANK_DIR" ] ; then
+    BANK_DIR="$CFG_BANK_DIR"
+else
+    BANK_DIR="$ARG_BANK_DIR"
+fi
+if [ -z "$ARG_APIKEYS_FILE" ] ; then
+    APIKEYS_FILE="$CFG_APIKEYS_FILE"
+else
+    APIKEYS_FILE="$ARG_APIKEYS_FILE"
+fi
+echo CONFIG_FILE "$CONFIG_FILE"
+echo CFG_BANK_DIR "$CFG_BANK_DIR"
+echo CFG_APIKEYS_FILE "$CFG_APIKEYS_FILE"
+echo ARG_BANK_DIR "$ARG_BANK_DIR"
+echo ARG_APIKEYS_FILE "$ARG_APIKEYS_FILE"
+echo BANK_DIR "$BANK_DIR"
+echo APIKEYS_FILE "$APIKEYS_FILE"
+exit 0
+
 #
 # Very simple "logging" function (stdout should be redirected to log anyway)
 log() {