Adds hydractl yaml-param

1 files changed, 30 insertions, 0 deletions

diff --git a/share/hydractl/yaml-param b/share/hydractl/yaml-param
new file mode 100755
index 0000000..1ace6c2
--- /dev/null
+++ b/share/hydractl/yaml-param
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Load.
+source $APP_BASE/lib/hydra/functions || exit 1
+hydra_config_load
+
+# Parameters
+BASENAME="`basename $0`"
+PARAM="$1"
+YAML_FILE="$2"
+DEFAULT="$3"
+
+# Check
+if [ -z "$2" ]; then
+  echo "usage: $BASENAME <param> <file> [default-value]"
+  exit 1
+elif [ ! -e "$YAML_FILE" ]; then
+  echo "file not found: $YAML_FILE"
+  exit 1
+fi
+
+# Dispatch
+PARAM="`hydra_yaml_param $PARAM $YAML_FILE`"
+
+# Display
+if [ ! -z "$PARAM" ]; then
+  echo "$PARAM"
+elif [ ! -z "$DEFAULT" ]; then
+  echo "$DEFAULT"
+fi