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Hey I have the following gnuplot script: 

  #!/usr/bin/gnuplot

  reset
  set term postscript
  set output "OptimumCoalesce.ps"
  set grid
  set key box linestyle 5
    set key spacing 1.5 

    set key left
     ...
     set xrange[1:100000]
     set size 0.6,0.6
    set logscale x
    plot "Optimal_coalescing.txt" using 1:2 title "MultiDB" ls 1 with points

And for data 

    1 35199.88863
    10 20926.1477502296
    100 15483.2186868687
    500 10017.4652892562
    1000 10497.8036730946

But Gnuplot does not plot the first line! For 1 ,it repeats the value for line 2. Any idea what is going on?

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Out of curiosity, what happens if you change set xrange[1:100000] to set xrange [0.99999:100000]? -- or to set xrange [1.0:100000]` – mgilson Apr 20 '12 at 3:38
Also ... the above posted script works for me (gnuplot 4.4.2, OS X) – mgilson Apr 20 '12 at 3:42
No still the same problem – user1018513 Apr 20 '12 at 8:34
script works fine with Unix (Debian squeeze) and Gnuplot 4.4 – Raphael Roth Apr 20 '12 at 11:50
I am not sure what the problem is. Do you want to plot more than one line? If so, your script is not set up to plot more than one line, using the first data column as x and the second data column as y coordinates. If you want to draw a line, try with linespoints instead of with lines. What is the second line you want to plot? – andyras Apr 20 '12 at 12:10
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