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Replace space with tab: perl -lpe 's/\s/\t/g' < trf_file.dat > outfile.txt #TRF #Tab #Space #Replace #Perl #PerlTrick #PerlOneliner

Remove tab with comma in file: perl -lpe 's/\t/,/g' < flattened_line_0.fa.data > output.csv #PerlTrick #PerlO,liner #Perl #Tab #Comma

#Upgrade the #perl in #Ubuntu $ sudo cpan cpan[1]> upgrade

Perl Scripts for Science and Engineering http://www.lwebzem.com/cgi-bin/se_res/scripts.cgi #Perl #Script #Science

Print all text after a matching string perl -ne "print unless 1 .. m(String)" #Perl #OneLiner #String #Perl #Trick

Delete space from FASTA header: perl -pe 's/>\S+\K.+//' < file.fasta > new_file.fasta #PerlOneLiner #Trick #Perl #Space #Fasta

Print all the values between 15 to 17. perl -ne 'print if 15 .. 17' file #Perl #PerlTrick #Range

To uninstall a perl module $ cpanm --uninstall <Module::Name> #Perl #Trick #Uninstall #Module

Remove the fasta description and just keep the identifier. perl -p -i -e 's/>(.+?) .+/>$1/g' sample1.fa #Perl #Oneliner #Trick #Tips #Fasta #Identifier #Remove

Extract sequences by their ID from a fasta file. perl -ne 'if(/^>(\S+)/){$c=$i{$1}}$c?print:chomp;$i{$_}=1 if @ARGV' ids.txt sample1.fa #Extract #Sequences #IDs #Fasta #Perl #Trick #Oneliner

Search and replace the string 'this' with the string 'that' in the file filename. perl -p -i -e 's/this/that/g' filename #Perl #Trick #PerlOneLiner #Tipsoftheday #Replace #FindandReplace

Besides, I wasn't trying to help them understand. I was only trying to help them think they understand. --#Larry Wall #Perl #Quotes

Print all possible 2 combination of words ( ATGC): $letter = join',','A','T','G','C'; @abc=glob "{$letter}{$letter}"; foreach (@abc) { print "$_\n"; } #Perl #PerlTrick #TipsOftheDay

Perl Elements to Avoid http://perl-begin.org/tutorials/bad-elements/ #Perl #Tricks #Avoid #Learn #Beginners

Fancy One-Liner http://userweb.eng.gla.ac.uk/umer.ijaz/bioinformatics/oneliners.html #Perl #OneLiner #Bioinformatics #Quick #Common #Tricks #CommandLine #Terminal