From: Adam Masiarek <adam@...>
Date: 2008-05-02T06:07:38+09:00
Subject: parsing a file

Input file format (three columns, tabs delimited):
A \t X1, X2 \t Z1, Z2
B \t X3 \t Z3
C \t X4, X5, X6 \t Z4, Z5, Z6

Expected file format:
A  X1  Z1
A  X2  Z2
B  X3  Z3
C  X4  Z4
C  X5  Z5
C  X6  Z6

My code:
a = Array.new()
x = Array.new()
z = Array.new()
s = String.new()
open("c:\\temp\\a.txt").each {|e|
    a = e.split("\t")
    x = a[1].split(",")
    z = a[2].split(",")
    x.each_index {|i|
        s = a[0] +"\t" + x[i] +" \t" + z[i]
        puts s
    }
}


Can this be done in a more elegant manner?
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