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#!/usr/bin/env fish
set archiver_formats tar
set compressor_formats bz2 gz lz4 xz zstd
set arch_and_comp_formats 7z rar zip
set formats $archiver_formats $compressor_formats $arch_and_comp_formats
set options 'h/help' 'n/name=' 't/timestamp' 'f/format=!validate_format'
function validate_format
if not contains $_flag_value $formats
echo "$_flag_value archive is not supported" >&2
return 1
end
end
function print_help
echo -es "Archive and compressor wrapper\n" \
"Supported formats: $formats" >&2
echo "Usage: compress" \
"[-h | --help]" \
"[-n | --name archive_name]" \
"[-t | --timestamp]" \
"[-f | --format archive_format]" \
"file1 [file2, file3, ...]" >&2
echo -es \
"-h, --help\t\tPrint this help\n" \
"-n, --name\t\tSpecify archive name,\n" \
"\t\t\tif archive name is not provided, default name will be used; \n" \
"\t\t\tif $(string join '/' $compressor_formats) format used on single file, name will be ignored\n" \
"-t, --timestamp\t\tAdd timestamp to filename\n" \
"-f, --format\t\tSpecify archive format, zip is default" >&2
end
function create_tarball
tar --force-local -cvf $tarball $files
end
# Script main code
argparse $options -- $argv
or return 1
if set -q _flag_help; or test (count $argv) -eq 0
print_help
return
end
if not set -q _flag_name
set _flag_name archive
end
if set -q _flag_timestamp
set _flag_name "$_flag_name@$(date -Iseconds)"
end
if not set -q _flag_format
echo "No format specified, using zip" >&2
set _flag_format zip
end
set tarball "$_flag_name.tar"
set files $argv
if contains $_flag_format $compressor_formats
if test (count $files) -gt 1 -o -d $files
echo "Too many files, packing with tar first" >&2
create_tarball
set _flag_name $tarball
else
set _flag_name $files
end
end
switch $_flag_format
case tar
create_tarball
case bz2
bzip2 $_flag_name
case gz
gzip $_flag_name
case lz4
lz4 $_flag_name
case xz
xz $_flag_name
case zstd
zstd $_flag_name
case 7z
7z a "$_flag_name" $files
case rar
rar a "$_flag_name" $files
case zip
zip "$_flag_name" $files
end
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