From: aji e theyyunni (aji.theyyunni@wipro.com)
Date: Sat Oct 20 2007 - 06:09:43 EDT
Hi all,
I am Aji. I have a doubt in sed's variable substitution.
Problem
i=1
j=13
sed -n 's/"${i}/${j}"/p' temp
I have initialized i and j as above. But when i am using this variables in
sed command to display the contents (first 13 lines) of the file which is
temp here (which is having more than 50 entries), I am not getting any
output. Exit status of this sed command is 0.
So can anyone provide me the way to solve this issue? Can you please check
whether that variable substitution that I have used is correct or not
.Please reply to me today itself .Its very urgent.
This is the output of the sed command without variable substitution.
sed -n '1,13p' temp
PROC_APP_ID
PROC_CPU_CSWITCH_TIME
PROC_CPU_CSWITCH_UTIL
PROC_CPU_INTERRUPT_TIME
PROC_CPU_INTERRUPT_UTIL
PROC_CPU_NICE_TIME
PROC_CPU_NICE_UTIL
PROC_CPU_NORMAL_TIME
PROC_CPU_NORMAL_UTIL
PROC_CPU_REALTIME_TIME
PROC_CPU_REALTIME_UTIL
PROC_CPU_SYSCALL_TIME
PROC_CPU_SYSCALL_UTIL
Thanks and Regards
Aji E Theyyunni
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