Sha256: a7754481826e2edcd5d6dde36c429911ff6fbb6d4a9d0442d36ea810b30b33d9
Contents?: true
Size: 679 Bytes
Versions: 10
Compression:
Stored size: 679 Bytes
Contents
# concatenate input files:
# * assuming that each input file has a single header line
# * writing a single header line to the output (just use the header line from the first file)
# * trying that all the files have the same format (no validation)
class Masticate::Concat #< Masticate::Base
def initialize(filenames)
@filenames = filenames
end
def concat(opts)
File.unlink(opts[:output]) if opts[:output] && File.exists?(opts[:output])
redirect = ">>#{opts[:output]}" if opts[:output]
file1, *rest = @filenames
system "cat #{file1} #{redirect}"
rest.each do |file|
system "tail -n +2 #{file} | sed '/^$/d' #{redirect}"
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems