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String replace that has spaces

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# 15  
Old 03-27-2012
Hi, they are two different thing (I added spaces for clarity in my post above to illustrate). && means AND and ++A[$0] means increase with 1 the value of array element which has the entire line ($0) as an index. If the value equals 2, which is the case the second time the same line is encountered, then perform the (sub) action in curly brackets..

The difference between A[$0] and A[$1,$2,$3,$4] is that in the first case all the spaces and/or tabs are included, so that lines need to be exactly equal for us to conclude that they are the same, if we compare them. In the second case only the fields themselves need to be equal (the spaces between the fields may vary)...
# 16  
Old 03-27-2012
SOLVED: string replace that has spaces
Again thanks.
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