Sha256: f22127e5d147ceaaac6b01e8d2d856760940403a81095fb2216e4e8c2861db6a
Contents?: true
Size: 1.45 KB
Versions: 10
Compression:
Stored size: 1.45 KB
Contents
require 'fileutils'
module FileUtils
module_function
# With no arguments, returns a four element array consisting of the number
# of bytes, characters, words and lines in _filename_, respectively.
#
# Valid options are +bytes+, +characters+ (or just 'chars'),
# +words+ and +lines+:
#
# # Return the number of words in 'myfile'
# FileUtils.wc("myfile",'words')
#
# CREDIT: Daniel J. Berger
def wc(filename,option='all')
option.downcase!
valid = %w/all bytes characters chars lines words/
unless valid.include?(option)
raise "Invalid option: '#{option}'"
end
n = 0
if option == 'lines'
IO.foreach(filename){ n += 1 }
return n
elsif option == 'bytes'
File.open(filename){ |f|
f.each_byte{ n += 1 }
}
return n
elsif option == 'characters' || option == 'chars'
File.open(filename){ |f|
while f.getc
n += 1
end
}
return n
elsif option == 'words'
IO.foreach(filename){ |line|
n += line.split.length
}
return n
else
bytes,chars,lines,words = 0,0,0,0
IO.foreach(filename){ |line|
lines += 1
words += line.split.length
chars += line.split('').length
}
File.open(filename){ |f|
while f.getc
bytes += 1
end
}
return [bytes,chars,words,lines]
end
end
end
Version data entries
10 entries across 9 versions & 2 rubygems