1 files changed, 39 insertions, 0 deletions
diff --git a/shell_utils.sh b/shell_utils.sh
new file mode 100644
index 0000000..95e0d4e
--- /dev/null
+++ b/shell_utils.sh
@@ -0,0 +1,39 @@
+# Copyright (C) 2021 Wojtek Kosior
+# Redistribution terms are gathered in the `copyright' file.
+
+# This file is meant to be sourced in sh.
+
+ENDL="
+"
+
+errcho() {
+    echo "$@" >&2
+}
+
+map_set_instr() {
+    echo "$1__$2='$3'"
+}
+
+map_set() {
+    eval "$(map_set_instr "$@")"
+}
+
+map_set_export() {
+    eval "export $(map_set_instr "$@")"
+}
+
+map_get() {
+    eval "echo \"\$$1__$2\""
+}
+
+map_del_instr() {
+    echo "unset $1__$2"
+}
+
+map_del() {
+    eval "$(map_del_instr "$@")"
+}
+
+sanitize() {
+    echo "$1" | tr /.- _
+}