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• • Jitendra Narayan@admin

  

  To round a floating-point value to a certain number of decimal places: $rounded = sprintf("%.2f", $unrounded); #Tipsoftheday #Perl

  3913 days ago

• • Poonam Mahapatra@poonam

  

  Number all lines in a file; perl -pe '$_ = "$. $_"': #Tipsoftheday #Perl

  3904 days ago

• • Jitendra Narayan@admin

  

  To count the number of matches in a string !!! $str = "one.two.three.four"; $n =()= $str =~ /\./gi; print $n; #Tipsoftheday #Perl

  3882 days ago

• • Jit@jit.aber

  

  Count the total number of lines in a file. my $total=@{[<INFILE>]}; #Perl #Count #Number #Total #File

  3619 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

  3618 days ago

• • Jit@jit.aber

  

  Count the number of "pattern" occurrence in a file grep -o 'pattern' anc.annots.gff | wc -l #Linux #grep #Count #Number #Occurrence

  3618 days ago

• • Jit@jit.aber

  

  To count number of fasta entries, I use: grep -c '^>' mySequences.fasta #Perl #Count #Number #Fasta #Linux #Grep

  3578 days ago

• • Martin Jones@martin

  

  Sequential number arrays @arrayVal = (1 .. 10); #Perl #Array #Sequential

  3517 days ago

• • Jitendra Narayan@admin

  

  Get line number with Perl $fh->input_line_number() #Perl #Tipsoftheday #Tricks

  3372 days ago

• • Rahul Nayak@rahul

  

  Count the number of sequences in fastaq file. grep -c '^@' sample1.fq #Fastaq #Count #Number #Grep #Dirty #Oneliner #NGS

  3163 days ago

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