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Delete all the headers from multifasta file $ awk 'BEGIN {print ">"ARGV[1]};!/^>/{print}' test.fa #fasta #delete #header #multifasta

Delete all the executables in current directory. $ find . -maxdepth 1 -type f -executable -exec rm {} + #Delete #CurrrentDir

sudo find /tmp -type f -atime +10 -delete #Delete all tmp files created within 10 days #Linux

Remove the sequence by fasta ids. awk 'BEGIN{while((getline<"ids.txt")>0)l[">"$1]=1}/^>/{f=!l[$1]}f' seq.fa #Remove #Delete #ids #fasta

Find a file with certain size and delete them: $ find . -name "see-D-d-ALN_*" -size -10k -delete #Delete #Size #Linux #Tricks

#Delete all files (*.bak) in a #folder with find . -type f -name "*.bak" -exec rm -f {} \;

Remove the blank space from a fasta file. perl -nlwe 'tr/ //d; print if length' fileName #Delete #Space #Fasta #Perl #Oneliner