Create pathToYaml script

terminal/README.md

@@ -4,3 +4,4 @@ Terminal helper programs.
 
 * `copy.sh`: Copy the contents of a file to the clipboard.
 * `bbb.sh`: A smart wrapper for base64 decoding.
+* `pathToYaml.sh`: Takes `foo.bar` and gives you YAML!

terminal/pathToYaml.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+# {{{
+
+set -euo pipefail
+
+stderr() {
+    echo -e "${@}" 1>&2
+}
+
+fail() {
+    stderr "${1:-}"
+    stderr ""
+    stderr "Exiting …"
+    exit "${2:-1}"
+}
+
+if [[ $# -eq 1 ]]; then
+  if [[ "${1}" == "-h" ]]; then
+      stderr ""
+      stderr "USAGE:"
+      stderr "    echo 'foo.bar.boo.far' | ${0}"
+      stderr "    ${0} 'foo.bar.boo.far'"
+      stderr ""
+      exit 0
+  fi
+fi
+
+if [[ $# -eq 0 ]]; then
+    # no args => stdin
+    readarray inputarray
+else
+    inputarray=("${@}")
+fi
+declare -r inputarray
+
+# }}}
+
+if [[ ${inputarray[0]} =~ "=" ]]; then
+  # If a.b.c=foo, split it:
+  path_string="$( echo "${inputarray[0]}" | cut -d '=' -f 1)"
+  value_string="$( echo "${inputarray[0]}" | cut -d '=' -f 2)"
+else
+  path_string="${inputarray[0]}"
+  value_string=""
+fi
+declare -r path_string value_string
+
+SPACES_PER_INDENTATION=2
+
+indentations=0
+for part in ${path_string//./ }; do
+  spaces=$((indentations*SPACES_PER_INDENTATION))
+  if [[ ${spaces} -eq 0 ]]; then
+    echo -en "${part}:"
+  else
+    echo -en "\n$(printf ' %.0s' $(seq ${spaces}))${part}:"
+  fi
+  indentations=$((indentations+1))
+done
+echo -en " ${value_string}\n"