Created
December 26, 2012 10:15
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bknarendra created this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,20 @@ hash={"1"=>"Narendra", "2"=>"Mangesh", "3"=>"Viru", "4"=>"Virendra", "5"=>"Genh"} z=[] err_msg="ruby #{__FILE__} <GET/SET> <key_to_search/key_to_set> <not_required/value_to_set>" if ARGV.length<2 && (ARGV[0]!="GET" || ARGV[0]!="SET") puts err_msg exit end if ARGV[0]=="SET" && ARGV.length!=3 puts err_msg exit end File.open(__FILE__,'r'){|f| f.each_line {|l| z<<l}} c=eval(z[0]) if ARGV[0]=="GET" puts c[ARGV[1]] if c.include?(ARGV[1]) elsif ARGV[0]=="SET" c[ARGV[1]]=ARGV[2] z[0]="hash="+c.inspect+"\n" File.open(__FILE__,'w'){|f| z.each{|x| f<<x}} end