bzcompress Compress a string into bzip2 encoded data &reftitle.description; mixedbzcompress stringsource intblocksize4 intworkfactor0 bzcompress compresses the given string and returns it as bzip2 encoded data. &reftitle.parameters; source The string to compress. blocksize Specifies the blocksize used during compression and should be a number from 1 to 9 with 9 giving the best compression, but using more resources to do so. workfactor Controls how the compression phase behaves when presented with worst case, highly repetitive, input data. The value can be between 0 and 250 with 0 being a special case. Regardless of the workfactor, the generated output is the same. &reftitle.returnvalues; The compressed string, or an error number if an error occurred. &reftitle.examples; ]]> &reftitle.seealso; bzdecompress