compress_compare.sh

file=$1

outdir=$(mktemp -d)

printf "original: "
ls -l "$file" | awk '{print $5}'  

nix run nixpkgs#gzip -- -9 -c "$file" > "$outdir/file.gzip"
printf "gzip: "
ls -l "$outdir/file.gzip" | awk '{print $5}'

nix run nixpkgs#zstd -- -19 -q -c "$file" > "$outdir/file.zstd"
printf "zstd: "
ls -l "$outdir/file.zstd" | awk '{print $5}'

nix run nixpkgs#brotli -- -9 -c "$file" > "$outdir/file.brotli"
printf "brotli: "
ls -l "$outdir/file.brotli" | awk '{print $5}'

nix run nixpkgs#xz -- -9 -c "$file" > "$outdir/file.xz"
printf "xz: "
ls -l "$outdir/file.xz" | awk '{print $5}'

nix shell nixpkgs#lz4 --command lz4 -9 -c "$file" > "$outdir/file.lz4"
printf "lz4: "
ls -l "$outdir/file.lz4" | awk '{print $5}'

nix run nixpkgs#bzip2 -- -9 -c "$file" > "$outdir/file.bzip2"
printf "bzip2: "
ls -l "$outdir/file.bzip2" | awk '{print $5}'