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Shell Programming and Scripting

Variables in SED command

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# 1  
Old 01-07-2011
Variables in SED command
Hi all,

I want write a script to display 5rows at times from a input file.
my out like:
echo " display started"
r1
r2
r3
r4
r5
... Some action items...

again i need next 5 lines.



can you please advise.
# 2  
Old 01-07-2011
Code:
#!/bin/ksh
current_line=1
total_line=$(cat input_file | wc -l)
while [ $current_line -le $total_line ]; do
     awk -v c=$current_line 'NR >= c && NR < c+5' input_file
     <Some action items>
     <Some action items>
     ...........................
     ...........................
     $current_line=$(expr $current_line + 5)
done

# 3  
Old 01-07-2011
more command
Just thinking...
built-in to some flavors of unix is the more command.
so a
Code:
more testfile -n5

??
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