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| 1 | + | #!/usr/bin/env fish | |
| 2 | + | ||
| 3 | + | # tt -- a tool for transfering files and folders over text | |
| 4 | + | ||
| 5 | + | # requirements: | |
| 6 | + | # fish, tar, zstd, brotli, base64 | |
| 7 | + | ||
| 8 | + | function err | |
| 9 | + | echo -- $argv >&2 | |
| 10 | + | end | |
| 11 | + | ||
| 12 | + | switch $argv[1] | |
| 13 | + | case s send | |
| 14 | + | if test (count $argv[2..-1]) -eq 0 | |
| 15 | + | err "tt: no files or directories given" | |
| 16 | + | exit 1 | |
| 17 | + | end | |
| 18 | + | for f in $argv[2..-1] | |
| 19 | + | test -e "$f"; or set -a missing "$f" | |
| 20 | + | end | |
| 21 | + | if set -q missing | |
| 22 | + | for p in $missing | |
| 23 | + | err "tt: '$p' was not found" | |
| 24 | + | end | |
| 25 | + | exit 1 | |
| 26 | + | else | |
| 27 | + | for p in $argv[2..-1] | |
| 28 | + | set -a args -C (path resolve (path dirname $p)) (path basename $p) | |
| 29 | + | end | |
| 30 | + | ||
| 31 | + | set zstd (tar -cI 'zstd -19' $args | base64 -w0) | |
| 32 | + | set brotli (tar -cI 'brotli -9' $args | base64 -w0) | |
| 33 | + | if test (string length -- $zstd) -le (string length -- $brotli) | |
| 34 | + | echo z:$zstd | |
| 35 | + | else | |
| 36 | + | echo b:$brotli | |
| 37 | + | end | |
| 38 | + | end | |
| 39 | + | case r receive | |
| 40 | + | read -P "string: " string | |
| 41 | + | ||
| 42 | + | if test -z "$string" | |
| 43 | + | err "tt: empty strings aren't allowed" | |
| 44 | + | exit 1 | |
| 45 | + | end | |
| 46 | + | ||
| 47 | + | set used_algo (string match -rg "^([zb]):" -- $string) | |
| 48 | + | if test $used_algo = "z" | |
| 49 | + | set algo zstd | |
| 50 | + | else if test $used_algo = "b" | |
| 51 | + | set algo brotli | |
| 52 | + | else | |
| 53 | + | err "tt: wrong or missing prefix" | |
| 54 | + | exit 1 | |
| 55 | + | end | |
| 56 | + | ||
| 57 | + | set string (string match -rg ":(.*)" -- $string) | |
| 58 | + | echo -- $string | base64 -d 2>/dev/null | tar -xvoI "$algo" 2>/dev/null | |
| 59 | + | set ps -l $pipestatus | |
| 60 | + | if test $ps[2] -ne 0 | |
| 61 | + | err "tt: invalid base64 string" | |
| 62 | + | exit 1 | |
| 63 | + | else if test $ps[3] -ne 0 | |
| 64 | + | err "tt: archive is corrupted or invalid" | |
| 65 | + | exit 1 | |
| 66 | + | end | |
| 67 | + | case '*' | |
| 68 | + | echo "usage: tt <s|r> [file|dir ...]" | |
| 69 | + | echo | |
| 70 | + | echo " s, send <file|dir> ... " | |
| 71 | + | echo " r, receive" | |
| 72 | + | end | |
a tool for transfering files and folders over text