日報 8/14

今日やる事

• wcコマンドの課題

勉強したこと

file_data = []
count_sum = 0
size_sum = 0
bytesize_sum = 0
connection_total = []
if ARGV.length > 0
  ARGV.each do |filename|
    file_read = File.read(filename)
    file_data << file_read.count("\n").to_s.rjust(8)
    file_data << file_read.split(" ").size.to_s.rjust(8)
    file_data << file_read.bytesize.to_s.rjust(8)
    file_data << File.basename(filename).to_s.rjust(6)
    file_data << "\n"
    count_sum += file_read.count("\n")
    size_sum += file_read.split(" ").size
    bytesize_sum += file_read.bytesize
    connection_total << count_sum.to_s.rjust(8)
    connection_total << size_sum.to_s.rjust(8)
    connection_total << bytesize_sum.to_s.rjust(8)
    connection_total << "\n"
  end
else
  puts STDIN.read
end
puts file_data.join("")
puts connection_total.join("")

# (m・_・bp) 11:56 ~/memo_vscode % ruby 6memo.rb ls.rb 7memo.rb
#      127     274    2826 ls.rb
#        3       4      417memo.rb
#      127     274    2826
#      130     278    2867

• ファイルはrjustしなくていいんだった！

file_data = []
count_sum = 0
size_sum = 0
bytesize_sum = 0
connection_total = []
if ARGV.length > 0
  ARGV.each do |filename|
    file_read = File.read(filename)

    file_data << file_read.count("\n").to_s.rjust(8)
    file_data << file_read.split(" ").size.to_s.rjust(8)
    file_data << file_read.bytesize.to_s.rjust(8)
    file_data << " "
    file_data << File.basename(filename)
    p File.basename(filename).class
    file_data << "\n"
    count_sum += file_read.count("\n")
    size_sum += file_read.split(" ").size
    bytesize_sum += file_read.bytesize
    connection_total << count_sum.to_s.rjust(8)
    connection_total << size_sum.to_s.rjust(8)
    connection_total << bytesize_sum.to_s.rjust(8)
    connection_total << "\n"
  end
else
  puts STDIN.read
end
puts file_data.join("")
puts connection_total.join("")

# (m・_・bp) 15:16 ~/memo_vscode % ruby memo.rb ls.rb nmemo.rb
# String
# String
#      127     274    2826 ls.rb
#       34     101     991 nmemo.rb
#      127     274    2826
#      161     375    3817

file_data = []
count_sum = 0
size_sum = 0
bytesize_sum = 0
if ARGV.length > 0
  ARGV.each do |filename|
    file_read = File.read(filename)
    file_data << file_read.count("\n").to_s.rjust(8)
    file_data << file_read.split(" ").size.to_s.rjust(8)
    file_data << file_read.bytesize.to_s.rjust(8)
    file_data << " "
    file_data << File.basename(filename)
    file_data << "\n"
    count_sum += file_read.count("\n")
    size_sum += file_read.split(" ").size
    bytesize_sum += file_read.bytesize
  end
  else
  puts STDIN.read
end
connection_total = []
connection_total << count_sum.to_s.rjust(8)
connection_total << size_sum.to_s.rjust(8)
connection_total << bytesize_sum.to_s.rjust(8)
connection_total << " total"
total = []
total << connection_total.join("")
count = []
count << file_data.join("")
puts count.push(total)

# (m・_・bp) 18:31 ~/memo_vscode % ruby memo.rb ls.rb nmemo.rb
#      127     274    2826 ls.rb
#       34     101     991 nmemo.rb
#      161     375    3817 total

【 wc 】コマンド――テキストファイルの文字数や行数を数える：Linux基本コマンドTips（62） - ＠IT