nawk.sc5

UNIX+shell范例精解（第4版）代码

# Awk script with special for loop
/north/{name[count++]=$3}
END{ print "The number living in a northern district: " count
     print "Their names are: "
     for ( i in name )       # Special nawk for loop is used to
           print name[i]     # iterate through the array.
}