filename = ARGV[0]
file = open(filename)
info = Array.new
while text = file.gets do
info.push(text)
end
file.close
puts "original:"
puts info
puts "reverse:"
puts info.reverse
$ruby reverse_lines.rb hoge.txt
original:
1
2
3
reverse:
3
2
1
Dir::glob("**/*.*").each {|f|
puts "#{f},#{File::stat(f).size},
#{File::stat(f).mtime.strftime("%Y/%m/%d %H:%M")} "
}
$cd hoge
hoge>$ruby ../file_info.rb
hoge1.txt,36,2008/05/20 10:10
hoge2.txt,203,2008/05/20 10:11
hoge3.txt,97,2008/05/20 10:11
f = ARGV[0]
File.open(f,'w'){|file| file = nil}
$ruby erase_file.rb test.txt
test.txtの内容が消去される。
(当然ですが、test.txtのファイルは残ったままで
中身だけが削除される。)
i = 10
zero_i = i.to_s.rjust(10,"0")
puts zero_i
puts "%010d " % i
0000000010
0000000010
i = 10
sol_i1 = i.to_s.rjust(10," ")
sol_i2 = i.to_s.ljust(10," ")
puts sol_i1
puts sol_i2
puts "% 10d" %i
10
10
10
require 'jcode'
s = ARGV[0]
puts s.tr('0-9A-Za-z-','０-９Ａ-Ｚａ-ｚー')
$ruby -Ku han2zen.rb 1234567890abcdEFGH-
１２３４５６７８９０ａｂｃｄＥＦＧＨー
10.times{
puts "(1): #{rand(3)+1} (2): #{rand(4)}"
}
(1): 3 (2): 1
(1): 2 (2): 1
(1): 1 (2): 1
(1): 1 (2): 0
(1): 3 (2): 0
(1): 2 (2): 3
(1): 3 (2): 3
(1): 1 (2): 1
(1): 2 (2): 1
(1): 2 (2): 0
require 'date'
def rand_date(d_from,d_to)
from = Date.parse(d_from)
to = Date.parse(d_to)
days = to - from + 1
return from + rand(days)
end
5.times{
puts rand_date("1978-09-30","1980-10-10")
}
1979-08-02
1979-08-13
1980-05-03
1979-02-06
1979-01-30
100.times{ |i|
puts i
}
1
2
3
.
.
100
$ruby datacreate.rb > testdata.txt
# users generic .zshrc file for zsh(1)
## Environment variable configuration
#
# LANG
#
export LANG=ja_JP.UTF-8
## Default shell configuration
#
# set prompt
#
autoload colors
colors
case ${UID} in
0)
PROMPT="%B%{${fg[red]}%}%/#%{${reset_color}%}%b "
PROMPT2="%B%{${fg[red]}%}%_#%{${reset_color}%}%b "
SPROMPT="%B%{${fg[red]}%}%r is correct? [n,y,a,e]:%{${reset_color}%}%b "
[ -n "${REMOTEHOST}${SSH_CONNECTION}" ] &&
PROMPT="%{${fg[cyan]}%}$(echo ${HOST%%.*} | tr '[a-z]' '[A-Z]') ${PROMPT}"
;;
*)
PROMPT="%{${fg[red]}%}%/%%%{${reset_color}%} "
PROMPT2="%{${fg[red]}%}%_%%%{${reset_color}%} "
SPROMPT="%{${fg[red]}%}%r is correct? [n,y,a,e]:%{${reset_color}%} "
[ -n "${REMOTEHOST}${SSH_CONNECTION}" ] &&
PROMPT="%{${fg[cyan]}%}$(echo ${HOST%%.*} | tr '[a-z]' '[A-Z]') ${PROMPT}"
;;
esac
# auto change directory
#
setopt auto_cd
# auto directory pushd that you can get dirs list by cd -[tab]
#
setopt auto_pushd
# command correct edition before each completion attempt
#
setopt correct
# compacked complete list display
#
setopt list_packed
# no remove postfix slash of command line
#
setopt noautoremoveslash
# no beep sound when complete list displayed
#
setopt nolistbeep
## Keybind configuration
#
# emacs like keybind (e.x. Ctrl-a goes to head of a line and Ctrl-e goes
# to end of it)
#
bindkey -e
# historical backward/forward search with linehead string binded to ^P/^N
#
autoload history-search-end
zle -N history-beginning-search-backward-end history-search-end
zle -N history-beginning-search-forward-end history-search-end
bindkey "^p" history-beginning-search-backward-end
bindkey "^n" history-beginning-search-forward-end
bindkey "\\ep" history-beginning-search-backward-end
bindkey "\\en" history-beginning-search-forward-end
## Command history configuration
#
HISTFILE=~/.zsh_history
HISTSIZE=10000
SAVEHIST=10000
setopt hist_ignore_dups # ignore duplication command history list
setopt share_history # share command history data
## Completion configuration
#
fpath=(~/.zsh/functions/Completion ${fpath})
autoload -U compinit
compinit
## zsh editor
#
autoload zed
## Prediction configuration
#
#autoload predict-on
#predict-off
## Alias configuration
#
# expand aliases before completing
#
setopt complete_aliases # aliased ls needs if file/dir completions work
alias where="command -v"
alias j="jobs -l"
case "${OSTYPE}" in
freebsd*|darwin*)
alias ls="ls -G -w"
;;
linux*)
alias ls="ls --color"
;;
esac
alias la="ls -a"
alias lf="ls -F"
alias ll="ls -l"
alias du="du -h"
alias df="df -h"
alias su="su -l"
case "${OSTYPE}" in
darwin*)
alias updateports="sudo port selfupdate; sudo port outdated"
alias portupgrade="sudo port upgrade installed"
;;
freebsd*)
case ${UID} in
0)
updateports()
{
if [ -f /usr/ports/.portsnap.INDEX ]
then
portsnap fetch update
else
portsnap fetch extract update
fi
(cd /usr/ports/; make index)
portversion -v -l \<
}
alias appsupgrade='pkgdb -F && BATCH=YES NO_CHECKSUM=YES portupgrade -a'
;;
esac
;;
esac
## terminal configuration
#
unset LSCOLORS
case "${TERM}" in
xterm)
export TERM=xterm-color
;;
kterm)
export TERM=kterm-color
# set BackSpace control character
stty erase
;;
cons25)
unset LANG
export LSCOLORS=ExFxCxdxBxegedabagacad
export LS_COLORS='di=01;34:ln=01;35:so=01;32:ex=01;31:bd=46;34:cd=43;34:su=41;30:sg=46;30:tw=42;30:ow=43;30'
zstyle ':completion:*' list-colors \
'di=;34;1' 'ln=;35;1' 'so=;32;1' 'ex=31;1' 'bd=46;34' 'cd=43;34'
;;
esac
# set terminal title including current directory
#
case "${TERM}" in
kterm*|xterm*)
precmd() {
echo -ne "\033]0;${USER}@${HOST%%.*}:${PWD}\007"
}
export LSCOLORS=exfxcxdxbxegedabagacad
export LS_COLORS='di=34:ln=35:so=32:pi=33:ex=31:bd=46;34:cd=43;34:su=41;30:sg=46;30:tw=42;30:ow=43;30'
zstyle ':completion:*' list-colors \
'di=34' 'ln=35' 'so=32' 'ex=31' 'bd=46;34' 'cd=43;34'
;;
esac
## load user .zshrc configuration file
#
[ -f ~/.zshrc.mine ] && source ~/.zshrc.mine
(2)gemのインストール
wget http://rubyforge.org/frs/download.php/34638/rubygems-1.1.0.tgz
tar xzvf rubygems-1.1.0.tgz
cd rubygems-1.1.0
sudo ruby setup.rb
sudo ln -s /usr/bin/gem1.8 /usr/bin/gem
sudo gem update --system
(3)rails,passengerのインストール
sudo gem install rails -y -v 1.2.6
sudo gem install passenger
sudo passenger-install-apache2-module
sudo gem update --system
※railsは1.2系を指定してインストールした
(4)passengerの設定
1. /etc/apache2/apache2.confに下記を追記。
LoadModule passenger_module /usr/lib/ruby/gems/1.8/gems/passenger-1.0.3/ext/apache2/mod_passenger.so
RailsSpawnServer /usr/lib/ruby/gems/1.8/gems/passenger-1.0.3/bin/passenger-spawn-server
RailsRuby /usr/bin/ruby1.8
2. 端末から実行
sudo a2enmod rewrite
sudo a2ensite ror.myhost.com
sudo /etc/init.d/apache2 restart
(5)mysqlのインストール
sudo apt-get install libmysql-ruby mysql-server
※但し、apache2+passengerにてrailsの画面が表示されないため
webrickを利用中。ま、設定をちょっとかえればいいのかなと
思いつつ、面倒くさいので放置。