Call iconv from Ruby through system()

Call iconv from Ruby through system()

I have a problem with iconv tool. I try to call it from rake file in that way:

Dir.glob("*.txt") do |file|   system("iconv -f UTF-8 -t 'ASCII//TRANSLIT' #{ file } >> ascii_#{ file }") end 

But one file is converted partly (size of partialy converted: 10059092 bytes, before convertion: 10081854). Comparing this two files prove that not all content was writen to ASCII. When I call this command explicit from shell it works perfectly. Other smaller files are converted without problems. Is there any limitations on iconv or Ruby's system()?

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It is always a good idea to check the return value of system to determine whether it was successful..
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Dir.glob("*.txt") do |file|   system("iconv -f UTF-8 -t 'ASCII//TRANSLIT' #{file} >> ascii_#{file}") or     puts "iconv failed for file #{file}: #{$?}" end 
You could also try using the Iconv standard library, and thus get rid of the system call:.
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require 'iconv'  source_file = 'utf8.txt' target_file = 'ascii.txt', 'w') do |file| do |line|     file.write Iconv.conv('ASCII//TRANSLIT', 'UTF-8', line)   end end 
with appropriate error checking added..
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