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Results for "Perloneliner"

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• • Jitendra Narayan@admin

  

  Write something at the bottom of the file without opening it. perl -p -i -e 'eof && s/$/\nWord/;' <filename> #Tipsoftheday #Perloneliner

  3910 days ago

• • Abhimanyu Singh@abhimanyu

  

  To print the matching pattern line perl -ne '/pattern/ && print' infile.gtf #Perloneliner #Tipsoftheday

  3858 days ago

• • Rahul Nayak@rahul

  

  perl -nle '$count += () = /XY[0-9]+/g; END {print $count}' inputfile #Count #Perl #Perloneliner

  3636 days ago

• • Jit@jit.aber

  

  Count the number of occurrence of pattern in a file using Perl. perl -e '$_ = <>; print scalar ( () = m/needle/g ), "\n"' #Perl #Perloneliner #Count #Occurrence

  3605 days ago

• • Rahul Nayak@rahul

  

  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

  3152 days ago

• • Neelam Jha@neelam

  

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

  2968 days ago

• • Poonam Mahapatra@poonam

  

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

  2819 days ago

• • Shruti Paniwala@shruti

  

  Rename the fasta name perl -ane 'if(/\>/){$a++; @foo = split /\s+/;$_ = join '_', @foo; print "$_\n"}else{print;}' your.fasta > new.fa #PerlTrick #PerlOneliner #Perl

  2778 days ago

• • Radha Agarkar@radhaagarkar

  

  Extract fasta sequence by Ids: perl -ne 'if(/^>(\S+)/){$c=grep{/^$1$/}qw(id1 id2)}print if $c' fasta.file #Perl #PerlOneliner #PerlTrick #Extract #Ids #Fasta

  2777 days ago

• • Radha Agarkar@radhaagarkar

  

  Extract sequence by using Ids file (assuming one ids in a line): perl -ne 'if(/^>(\S+)/){$c=$i{$1}}$c?print:chomp;$i{$_}=1 if @ARGV' ids.file fasta.file #PerlTricks #PerlOneliner #Perl #Extract #Ids #

  2777 days ago

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