Hi,

  I want to draw xgraph for my wireless simulation in AODV protocol. For
that i used the following code. But in that command the column file is
not working and it shows some error as

" column 1: unknown file or directory
  column 10: unknown file or directory"

when i try to execute that. Anyone is having the correct column seperator
code for this. Plz guide me to get the column seperation properly...


The command i have used is:

cat out.tr | grep " 2 3 cbr " | grep ^r | column 1 10 | awk '{dif = $2 -
old2; if(dif==0) dif = 1; if(dif > 0) {printf("%d\t%f\n", $2, ($1 - old1)
/ dif); old1 = $1; old2 = $2}}' > jitter.txt

In this code the 2 grep and the awk commands are working fine but not the
column 1 10. Plz help me... when i run this it shows

column 1: unknown file or directory
  column 10: unknown file or directory

Thank you,
G.Prabhu


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Thiagarajar College of Engineering
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