Some scripts and examples codes to showcase the power of libpressio

• by_columns.sh compresses data seperately by column
• lossy_after_first_column.sh applies lossy compression after the first column
• opt-perf.py uses libpressio-opt to minimize runtime for ZFP using python bindings
• opt-perf.shuses libpressio-opt to minimize runtime for ZFP using the cli
• select_input.sh reads only a subset of the input
• switch_by_type.sh uses different compressors for different datatypes