Script for creating compressed archives with zstd and xz

arch-config/scripts/in_path/sc-compress

@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ $# -eq 2 ]; then
+    alg=$1
+    target=$2
+elif [ $# -eq 3 ]; then
+    alg=$1
+    str=$2
+    target=$3
+elif [ $1 == "-h" || $1 == "--help" ]; then
+    echo "sc-compress ALGORITHM [STRENGTH] TARGET"
+    echo "Algorithms: xz, zstd"
+    echo "Strength: low, medium, high"
+else
+    exit 1
+fi
+
+command="tar -cv -I\""
+
+# add algorithm
+if [ $alg == "xz" ]; then
+    command+="pxz"
+elif [ $alg == "zstd" ]; then
+    command+="zstd -T0"
+else
+    echo "Unsupported option"
+    exit 1
+fi
+
+# check if something with the strength is set
+if [ ! -z "${str+x}" ]; then
+    if [ $str == "low" ]; then
+        if [ $alg == "xz" ]; then
+            command+=" -1"
+        elif [ $alg == "zstd" ]; then
+            command+=" -1"
+        fi
+    elif [ $str == "medium" ]; then
+        if [ $alg == "xz" ]; then
+            command+=" -5"
+        elif [ $alg == "zstd" ]; then
+            command+=" -10"
+        fi
+    elif [ $str == "high" ]; then
+        if [ $alg == "xz" ]; then
+            command+=" -9"
+        elif [ $alg == "zstd" ]; then
+            command+=" -19"
+        fi
+    else
+        echo "Unsupported option"
+        exit 1
+    fi
+fi
+
+command+="\""
+
+# add archive file
+if [ $alg == "xz" ]; then
+    command+=" -f ${target}.tar.xz $target"
+elif [ $alg == "zstd" ]; then
+    command+=" -f ${target}.tar.zst $target"
+fi
+
+# output final command
+echo $command
+
+# execute command
+eval $command
+
+exit 0