1 files changed, 38 insertions, 0 deletions
diff --git a/util.inc.sh b/util.inc.sh
new file mode 100644
index 0000000..a9bb51e
--- /dev/null
+++ b/util.inc.sh
@@ -0,0 +1,38 @@
+log_meta() {
+  printf "$1 $2\n" "${@:3}"
+}
+
+log_error() {
+  log_meta 'error:' "$@" >&2
+}
+
+log_fatal() {
+  log_error "$@"
+  exit 1
+}
+
+log_warning() {
+  log_meta 'warning:' "$@" >&2
+}
+
+log_info() {
+  log_meta '==>' "$@"
+}
+
+map() {
+  local map_r=0
+  for _ in "${@:2}"; do
+    "$1" "$_" || (( $# > 255 ? map_r=1 : ++r ))
+  done
+  return $map_r
+}
+
+in_array() {
+  local item needle=$1
+
+  for item in "${@:2}"; do
+    [[ $item = "$needle" ]] && return 0
+  done
+
+  return 1
+}