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i want to use sed to replace any x(small) to 0 if the line contains Z(capital)

x,Z,y
y,X,z,
Y,z,x
x,Z,y
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up vote 8 down vote accepted
$ sed '/Z/s/x/0/g' <input_file>
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thanks that worked.. – krisdigitx Sep 26 '11 at 17:09

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