Working on link_apps script

scripts/.local/scripts/chmox

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+#!/bin/sh
+
+# makes files executable
+test -f "$1" && chmod +x "$1"

scripts/.local/scripts/link_apps

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+#!/bin/sh
+
+# Creates symlinks from external application directory
+# to another directory so applications are seen in
+# spotlight searches and launchpad.
+
+set -e
+
+app_dir=""
+destination_dir=""
+
+# Parses the input arguments. If 2 arguments are passed in, then
+# the first is where we search for applications (source) and the second
+# argument is the destination directory for the symlinks to be placed in
+#
+# If one argument is passed in, then it is used as the destination directory
+# and we use the default source directory.
+_parse_args() {
+  arg_count="$#"
+  app_dir="/Volumes/M1 Mac-Mini External Drive/Applications"
+  destination_dir="${HOME}/Application"
+  if test "$arg_count" -eq 1; then
+    destination_dir="$1"
+  elif test "$arg_count" -eq 2; then
+    app_dir="$1"
+    destination_dir="$2"
+  fi
+}
+
+# Checks if the `app_dir` exists.
+_is_mounted() {
+  if ! test -d "$app_dir"; then
+    echo "Application directory does not exist or is not mounted" >&2
+    return 1
+  fi
+}
+
+# ----------------  main -------------------
+
+main() {
+
+  _parse_args "$@"
+  test -d "${destination_dir}" || echo "Destination does not exist" >&2
+
+  if test _is_mounted; then
+    for app in "${app_dir}"/*.app; do
+      destination="${destination_dir}/$(basename "${app}")"
+      if test -e "${destination}"; then
+        echo "Destination already exists: ${destination}. Skipping!" >&2
+        continue
+      fi
+      # remove echo to do real work.
+      echo ln -sv "${app}" "${destination}" >&2
+    done
+  fi
+}
+
+main "$@"