Marco Mastrodonato

# Written by Marco Mastrodonato on 19/04/2011
# Script to split a file into n output files
# Example:
# ruby split.rb par1 par2
# par1 => name [default => input1.txt]
# par2 => record number that determines the number of output files [default => 1650]
 
strinput = ARGV[0] || 'input1.txt'
nrec_to_split = ARGV[1] ? ARGV[1].to_i : 1650
 
unless File.exists? strinput
	puts "File #{strinput} doesn't exists!" 
	exit 1
end
 
stroutput = "out_%03d.txt"
 
t1= Time.now
puts "Ruby #{RUBY_VERSION} #{strinput} started at #{t1}, wait please..."
 
File.open(strinput, "r") do |f|
	nsplit = 0
	nrec = 0
	fileoutput = nil
 
	while line = f.gets
		if nrec % nrec_to_split == 0
			nsplit += 1
			fileoutput.close if fileoutput
			fileoutput = File.open(stroutput % nsplit, 'w')
		end
		fileoutput.write line
		nrec += 1
	end
 
	fileoutput.close if fileoutput
end
 
puts "Ended at #{Time.now}"
puts "Elapsed time #{Time.now - t1}"
exit 0

# Written by Marco Mastrodonato on 19/04/2011
# Script to split a file into n output files
# Example:
# python split.py par1 par2
# par1 => name [default => input1.txt]
# par2 => record number that determines the number of output files [default => 1650]
 
from time import time, gmtime, strftime
import sys
 
try:
	strinput = sys.argv[1]
except:
	strinput = 'input1.txt'
 
stroutput = "out_%03d.txt"
 
try:
	nrec_to_split = int(sys.argv[2])
except:
	nrec_to_split = 1650
 
t1 = time()
print(sys.version)
print(strftime("Started at %a, %d %b %Y %H:%M:%S +0000, wait please...", gmtime()))
 
nrec = 0
nsplit = 0
 
fileinput = open(strinput, "r")
for line in fileinput:
	if nrec % nrec_to_split == 0:
		try:
			fileoutput.close()
		except NameError:
			fileoutput = None
		nsplit += 1
		fileoutput = open(stroutput %nsplit , "w")
	fileoutput.write(line)
	nrec += 1    
fileoutput.close()
fileinput.close()
 
print(strftime("Ended at %a, %d %b %Y %H:%M:%S +0000", gmtime()))
print("Elapsed time %f" %(time() - t1))

<?php
// Written by Marco Mastrodonato on 19/04/2011
// Script to split a file into n output files
// Example:
// php split.php par1 par2
// par1 => name [default => input1.txt]
// par2 => record number that determines the number of output files [default => 1650]
 
$strinput = isset($argv[1]) ? $argv[1] : 'input1.txt';
$nrec_to_split = isset($argv[2]) ? $argv[2] : 1650;
$stroutput = 'out_%03d.txt';
 
$t1 = microtime_float();
echo "Php ".phpversion()." started at ".date('D, d M Y H:i:s T').", wait please...\n";
 
$nsplit = 0;
$nrec = 0;
$fileinput=fopen($strinput,"r");
 
while(!feof($fileinput)) {
	if ($nrec % $nrec_to_split == 0) {
		++$nsplit;
		if (isset($fileoutput)) fclose($fileoutput);
		$fileoutput = fopen(sprintf($stroutput, $nsplit), 'w');
	}
	$buffer = fgets($fileinput);
	fwrite($fileoutput, $buffer);
	++$nrec;
}
 
fclose ($fileinput);
 
echo "Ended at ".date('D, d M Y H:i:s T')."\n"; 
echo "Elapsed time ".(microtime_float() - $t1)."\n";
 
 
function microtime_float() {
	list($usec, $sec) = explode(" ", microtime());
	return ((float)$usec + (float)$sec);
}
 
?>

--[[
Written by Marco Mastrodonato on 19/04/2011
Script to split a file into n output files
Example:
lua split.lua par1 par2
par1 => name [default => input1.txt]
par2 => record number that determines the number of output files [default => 1650]
--]]
strinput = arg and arg[1] or "input1.txt"
stroutput = "out_%03d.txt"
nrec_to_split = arg and arg[2] and tonumber(arg[2]) or 1650
 
local t1 = os.clock()
print(_VERSION .. " started at " .. os.date("%a, %d %b %Y %H:%M:%S +0000"))
 
nsplit = 0
nrec = 0
for line in io.lines(strinput) do
  if nrec % nrec_to_split == 0 then
    if fileOut ~= nil then io.close(fileOut) end
    nsplit = nsplit + 1
    fileOut = io.open(string.format(stroutput, nsplit) , 'w')
  end
  fileOut:write (line .. '\n')
  nrec = nrec + 1
end
 
io.close(fileOut)
 
print("Ended at " .. os.date("%a, %d %b %Y %H:%M:%S +0000"))
print(string.format("Elapsed time: %.2f\n", os.clock() - t1))

# Example:
# ruby new.rb [NOME] [LINES] [RECORD SIZE]
 
stroutput = ARGV[0] || 'input1.txt'
num = ARGV[1] ? ARGV[1].to_i : 185000
size = ARGV[2] ? ARGV[2].to_i : 1799
 
if File.exists? stroutput
	puts "File #{stroutput} already exists!" 
	exit 1
end
 
t1= Time.now
puts "Ruby #{RUBY_VERSION} #{stroutput} started at #{t1}, wait please..."
 
line = "*" * size
 
File.open(stroutput, "w") do |f|
	num.times do
		f.puts line
	end
end
 
puts "Ended at #{Time.now}"
puts "Elapsed time #{Time.now - t1}"
exit 0