cd przwol
mkdir exreg
cd exreg
curl http://alioth.uwb.edu.pl/so/data/error_log -o bledy
grep -n '^E' bledy > errors_only
grep -n '^I' bledy > info_only
grep "[0-3][0-9]/[A-z][a-z][a-z]/2008" bledy > 2008.txt
grep "[0-3][0-9]/[A-z][a-z][a-z]/2009" bledy > 2009.txt
grep "[0-3][0-9]/[A-z][a-z][a-z]/2010" bledy > 2010.txt
grep "[0-3][0-9]/[A-z][a-z][a-z]/2011" bledy > 2011.txt
grep "[0-3][0-9]/[A-z][a-z][a-z]/2012" bledy > 2012.txt
grep "[0-3][0-9]/[A-z][a-z][a-z]/2013" bledy > 2013.txt
grep "[0-3][0-9]/[A-z][a-z][a-z]/2014" bledy > 2014.txt
grep "[0-3][0-9]/[A-z][a-z][a-z]/2015" bledy > 2015.txt
grep "[0-3][0-9]/[A-z][a-z][a-z]/2016" bledy > 2016.txt