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Oneliner with substring trimming and padding

by Neighbour (Friar)
on Jul 17, 2012 at 11:59 UTC ( #982210=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    perl -pi -e 'substr($_,589,35) =~ s/(\s*)(\w+)*/$2$1/ if /^(.{589})(\s
    +{1,34})/' file.txt
    
  2. or download this
    perl -pi -e 'substr($_,589,35) =~ s/(0*)(\w+)*/$2($?{ ' ' x length($1)
    + })/ if /^(.{589})(0{1,34})/' file.txt
    
  3. or download this
    perl -pi -e 'substr($_,589,35) =~ s/(0*)(\w+)*/$2($?{ " " x length($1)
    + })/ if /^(.{589})(0{1,34})/' file.txt
    

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