add yaml module, refactor path and helpers for isAbsPath

modules/utility/helpers.mod

@@ -22,6 +22,8 @@ adirname() {
     echo "$(cd "$(dirname "$1")" >/dev/null 2>&1 ; pwd -P )"
 }
 
+
+
 chmod_dirs() {
     # passed entire path
     local usesudo

modules/utility/path.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
+
+# get full absolute bath from a current or parent path
 function abs-path {
     local target="$1"
     if [ "$target" == "." ]; then
@@ -9,3 +11,13 @@ function abs-path {
         echo "$(cd "$(dirname "$1")"; pwd)/$(basename "$1")"
     fi
 }
+
+isAbsPath() {
+    if [[ "${1:0:1}" == / || "${1:0:2}" == ~[/a-z] ]]
+    then
+        echo "true"
+        return 0
+    else
+        return 1
+    fi
+}

modules/utility/yaml.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+# echo loading yaml module 
+# https://gist.github.com/pkuczynski/8665367
+# read yaml file, second argument (if any) is added prefix
+parse_yaml() {
+   local prefix=$2
+   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
+   sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
+        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
+   awk -F$fs '{
+      indent = length($1)/2;
+      vname[indent] = $2;
+      for (i in vname) {if (i > indent) {delete vname[i]}}
+      if (length($3) > 0) {
+         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
+         printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
+      }
+   }'
+}
+