Unslurm

unslurm.rb

def interval prefix, str ,postfix
  if /(\d+)-(\d+)/.match str
    w="%0#{$1.size}d"
    $1.to_i.upto($2.to_i).map {|i| "#{prefix}#{w % i}#{postfix}"}.join ','
  else
    "#{prefix}#{str}"
  end
end

#
# Input:   string (e.g. "n[123-125,222],n234")
# Outpout: array  (["n123","n124","n125","n222","n234"])
#
def unslurm str
  str = ",#{str},"
  while /([^\[]*),([^,\[]+)(\[[^\]]+\])([^,]*),(.*)/.match str
    start=$1
    prefix=$2
    m=$3
    postfix=$4
    fin=$5
    list=m[1..-2].split ','
    result=list.map { |str| ",#{interval(prefix,str,postfix)}" }.join ','
    str="#{start},#{result},#{fin}"
  #  warn "## #{args}"
  end
  str.split(',').reject{|x| x.length<1}
end