Add script for compress zstd

Archive/Compress to 'tar.zst' (each)

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+# install_keyboard_shortcut=<Control><Alt>S
+
+# Source the script 'common-functions.sh'.
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
+source "$ROOT_DIR/common-functions.sh"
+
+_main() {
+    local input_files=""
+    local output_dir=""
+
+    # Execute initial checks.
+    _check_dependencies "command=tar | command=zstd"
+    _display_wait_box "2"
+    input_files=$(_get_files "par_type=all")
+    output_dir=$(_get_output_dir "par_use_same_dir=true")
+
+    # Execute the function '_main_task' for each file in parallel.
+    _run_task_parallel "$input_files" "$output_dir"
+    _display_result_box "$output_dir"
+}
+
+_main_task() {
+    local input_file=$1
+    local output_dir=$2
+    local output_file=""
+    local std_output=""
+
+    # Run the main process.
+    output_file=$(_get_output_filename "$input_file" "$output_dir" "par_extension_opt=replace; par_extension=tar.zst")
+    if [[ -d "$input_file" ]]; then
+        local files=""
+        cd -- "$input_file" || return 1
+        files=$(find . -mindepth 1 -maxdepth 1 | sed "s|^\./||g" | sort --version-sort)
+        std_output=$(printf "%s" "$files" | xargs --no-run-if-empty tar --zstd -cf "$output_file" --)
+    else
+        cd -- "$(_get_filename_dir "$input_file")" || return 1
+        local input_file_basename=""
+        input_file_basename=$(basename -- "$input_file")
+        std_output=$(tar --zstd -cf "$output_file" -- "$input_file_basename" 2>&1)
+    fi
+    _check_output "$?" "$std_output" "$input_file" "$output_file" || return 1
+}
+
+_main "$@"

README.md

@@ -50,6 +50,7 @@ While numerous scripts are available for file managers on the web, many suffer f
 | `<Control>E`        | Extract Here                  |
 | `<Control><Alt>C`   | Compress...                   |
 | `<Control><Alt>G`   | Compress to 'tar.gz' (each)   |
+| `<Control><Alt>S`   | Compress to 'tar.zst' (each)  |
 | `<Control><Alt>V`   | Paste as hard link            |
 | `<Control><Alt>X`   | Compress to 'tar.xz' (each)   |
 | `<Control><Alt>Z`   | Compress to 'zip' (each)      |