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发表于 2003-6-3 17:41:40
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Try this one!
write them in a file named awk.test
#!/usr/bin/awk -f
BEGIN{PRE=0}
{print $1,$2-PRE; PRE=$2}
Assuming the data file name is data,"awk.test data" will get what you want.
Comments:modify the first line "/usr/bin/awk" to "/bin/awk",if neccesary.It's according to where awk is in your system. |
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