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multidimensional array in awk

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# 1  
Old 09-20-2010
multidimensional array in awk


I was trying to process a file with the help of awk. I want to first display all the rows that contains 01 and at the end of processing I have to print some portion of all the lines. like below.

01 xxxx
Output expected:


# 2  
Old 09-20-2010
And what did you try so far?
# 3  
Old 09-20-2010
awk 'NR==FNR&&/^01 / {print $2} NR>FNR {gsub(/^01 /,"\n");print}' infile infile

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