axgle

#include <stdio.h>
int main(){
 	char s[255];
 	int n;
	FILE *fp;
	fp=fopen(__FILE__,"r");
	n=0;
	while( fgets(s,255,fp) ) {
		n++;
		printf("%d %s",n,s);

axgle

#http://hi.baidu.com/051156/blog/item/6e6936133ea25a29dc5401be.html
ls|while read line
do	
	len=`echo $line|awk '{print length($0)}'`
	name=($line:$len)
	echo ${name[*]}
done

axgle

require 'rubygems'
require 'graphviz_r'
g=GraphvizR.new "G"

g.start>>g.stop

g.output "gvr.png"

axgle

require 'rubygems'
require 'graphviz'
class GraphViz
	class Edge
		def [](xAttrName)
			if Hash===xAttrName
				for name,value in xAttrName
					self[name]=value
				end
			else

axgle

d=DATA.read
`echo "#{d}"|dot -Tjpg -o a.jpg`
exec "firefox a.jpg"
__END__
digraph G{
	1;
	2;
	3;
}

axgle

require 'erb'
d=DATA.read
d=ERB.new(d).result
`echo "#{d}"|dot -Tjpg -o a.jpg`
exec "firefox a.jpg"
__END__
digraph G{
 a->{<%=(1..10).to_a.join(';')%>}
}

axgle

#mkfifo mm
#ruby p.rb &
#echo 1 > mm
total=0
while(true)
	d=IO.read('mm')
	total+=d.to_i
	p [total]
	exit if d=~/exit/
end

axgle

  def run_solr
    defs = {
      'jetty.home'    => @path,
      'solr.data.dir' => @path/'solr'/'data'
    }.map { |k, v| "-D#{k}=#{v}" }.join(' ')
    
    cmd = "java -jar #{@path}/start.jar #{@path/'etc'/'jetty.xml'} -classpath #{@path/'lib'} #{defs}"
    
    # IO.popen is more portable than fork/exec (i.e. to JRuby)
    pid = IO.popen(cmd, 'r').pid

axgle

#!/usr/bin/env ruby
# Prints if the input or output is regular or piped
puts "INPUT:  #{STDIN.tty?  ? "regular" : "pipe"}"
puts "OUTPUT: #{STDOUT.tty? ? "regular" : "pipe"}"
#http://blog.bogojoker.com/2009/04/check-if-your-ruby-script-is-in-a-pipe/

==
ruby -e 'puts $stdin.tty?' < rakefile.rb 
false

axgle

<?php
var_dump(posix_isatty(STDIN));
var_dump(posix_isatty(STDOUT));
?>