Storing values in arrays using csh

I am reading a number of files but then I want to put the ranges

xmin xmax ymin ymax

as arrays for each file.

Any idea how I can do this???

    set j = 1
    echo "Welcome $i times"
    while ( $j <= $i )
      echo "$j"
      set fname = $fin[$j]-bst-misf.xy
      echo " "$fname
      set xminb = `awk '{print $1}' $fname | minmax          \
                   |  awk '{split ($5,a,"<"); print a[2]}'   \
                   |  awk '{split ($1,b,"/"); print b[1]}'`
      set xmaxb = `awk '{print $1}' $fname | minmax          \
                   |  awk '{split ($5,a,"<"); print a[2]}'   \
                   |  awk '{split ($1,b,"/"); print b[2]}'   \
                   |  awk '{split ($1,c,">"); print c[1]}'`
      set yminb = `awk '{print $2}' $fname | minmax          \
                   |  awk '{split ($5,a,"<"); print a[2]}'   \
                   |  awk '{split ($1,b,"/"); print b[1]}'`
      set ymaxb = `awk '{print $2}' $fname | minmax          \
                   |  awk '{split ($5,a,"<"); print a[2]}'   \
                   |  awk '{split ($1,b,"/"); print b[2]}'   \
                   |  awk '{split ($1,c,">"); print c[1]}'`
      echo " "$xminb"/"$xmaxb"/"$yminb"/"$ymaxb
      MATH j = $j + 1
    end