2021-07-31 14:49:09 +02:00
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#!/usr/bin/env bash
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set -euo pipefail
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if [ $# -eq 2 ]; then
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alg=$1
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target=$2
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elif [ $# -eq 3 ]; then
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alg=$1
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str=$2
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target=$3
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2021-07-31 19:17:07 +02:00
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elif [ $1 == "-h" ] || [ $1 == "--help" ]; then
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2021-07-31 14:49:09 +02:00
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echo "sc-compress ALGORITHM [STRENGTH] TARGET"
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echo "Algorithms: xz, zstd"
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echo "Strength: low, medium, high"
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else
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exit 1
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fi
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command="tar -cv -I\""
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# add algorithm
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if [ $alg == "xz" ]; then
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command+="pxz"
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elif [ $alg == "zstd" ]; then
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command+="zstd -T0"
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else
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echo "Unsupported option"
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exit 1
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fi
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# check if something with the strength is set
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if [ ! -z "${str+x}" ]; then
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if [ $str == "low" ]; then
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if [ $alg == "xz" ]; then
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command+=" -1"
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elif [ $alg == "zstd" ]; then
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command+=" -1"
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fi
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elif [ $str == "medium" ]; then
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if [ $alg == "xz" ]; then
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command+=" -5"
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elif [ $alg == "zstd" ]; then
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command+=" -10"
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fi
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elif [ $str == "high" ]; then
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if [ $alg == "xz" ]; then
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command+=" -9"
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elif [ $alg == "zstd" ]; then
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command+=" -19"
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fi
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else
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echo "Unsupported option"
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exit 1
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fi
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fi
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command+="\""
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# add archive file
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if [ $alg == "xz" ]; then
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command+=" -f ${target}.tar.xz $target"
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elif [ $alg == "zstd" ]; then
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command+=" -f ${target}.tar.zst $target"
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fi
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# output final command
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echo $command
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# execute command
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eval $command
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exit 0
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