decompress="perl -MCompress::Zlib -e 'undef $/; print uncompress(<>)'"
perl
- Execute the Perl binary-MCompress::Zlib
- Load the Zlib Perl module-e '...'
- Execute the specified Perl codeundef $/;
- Undefine the input record separator to read input to the end<>
- Read from standard inputuncompress(...)
- Use uncompress the input using Zlibprint ...
- Print the results to the screen