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• • Shruti Paniwala@shruti

  

  Little correction, I guess you mean concatenate many files: $ for a in *.txt ; do cat $a >> newFile ; done #Linux #Tricks

  Tags: Linux, Tricks

  2788 days ago

• • Shruti Paniwala@shruti

  

  Extract ten lines below matched string with grep: grep -A 10 "string" filename1 ; -B for above and -C for both #grep #Linux #Tricks #Lines #Matches

  Tags: grep, Linux, Tricks, Lines, Matches

  2712 days ago

• • Jit@jit.aber

  

  Accept file from STDIN in Perl my $infh = \*STDIN; my $outfh = \*STDOUT #Perl #Tricks

  Tags: Perl, Tricks

  2688 days ago

• • Shruti Paniwala@shruti

  

  Perl way to check if an array contains values

  Perl is always is known for their flexibility (There is more than one way to do it). Followings are the quick way to check if a value exist in an array. do_something if 'flour' ~~ @ingredients   # ~~ operand.   BEWARE: it is broken.do_something if grep {$_ eq 'flour'} @ingredients ...

  Tags: Perl, Tricks, Array, Find, Check

  2605 days ago

• • Shruti Paniwala@shruti

  

  Remove all blank lines from file. perl -i.bak -n -e "print if /\S/" ../finalSample.fa #Perl #Tricks #PerlOneliner

  Tags: Perl, Tricks, PerlOneliner

  2612 days ago

• • Abhimanyu Singh@abhimanyu

  

  Show before(B) and after(A) the matching region $ grep -B 3 -A 2 foo README.txt #Linux #Tricks #View #Grep

  Tags: Linux, Tricks, View, Grep

  2551 days ago

• • BioJoker@biojoker

  

  Nano tricks https://wiki.gentoo.org/wiki/Nano/Basics_Guide #Nano #Tricks

  Tags: Nano, Tricks

  1830 days ago

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