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Hello All,

I am trying to gather output of df -k from remote server to local server using below line:

rsh <host> df -k >/tmp/space_remote_host.txt


Why above throws following error...

Case1: cat /tmp/data_rank | awk -F ',' ' {print $9 $1}'
Case2: cat /tmp/data_rank | awk -F ',' ' {print $10 $1}'
Case3: cat /tmp/data_rank | awk -F ',' ' {print $1 $10}'

Case1 & Case3 works...

Hello Everyone,
This 10th field is giving too much problem in AWK. How do i overcome ? pls suggest Thanks!


cat /tmp/data_rank| awk 'BEGIN{
print "HT No" "," "Name" "," "Maths" "," ...

Thanks a lot it was very much helpful.

I'm trying to get the universities result data into different file, where the $9 contains unversity field and field7,4 & 5 contains the keys to sort the students by marks. How to use uni variable to...

I'm not sure if i can put the problem in understandable form.Let me try:


I have a array which is like and always fixed:
Array1=(new inprogress pending Restored Resolved )

Other 2 array...

i=1
for id `cat <file>| sed -n 's/^Queue \[([A-Z]\+)\].*/\1/'`
do
arr[$i]=$id
i=`expr $i + 1`
done
i=1
size=${arr[@]}
while [ $i -lt $size ]
do
j=`expr $i + 1`
sed -n "/Queue...

You are right!

However, i dont understand why people go for awk, nawk, when simple things like grep works.

I simply follow this:
1. Can it be done by Basic Regex? => yes, go for grep & sed...

Really Sorry RodiC i couldn't exactly copy pasted my script here coz the script lies in the system where this site is blocked. I'd need to make hell lot of effort to exactly copy paste code. So i...

All of the above solution looks perfectly good, i really don't know whats going on in your system.
You may try like this also:

grep -Ew '\"[0-9]{8}\"' <file>| sed 's/''//g'

Hi Rodic,
This is the excat thing i was doing:

problem_arr=`grep -E -o "PRB[0-9]{1,4}" problemid.txt`
j=1
while [ $j -le ${problem_arr[@]} ]
do
k=`expr $j + 1`
sed -n...

Please post the content of the $1 file. If my guess is correct then instead of merely providing the output file name, u may have to give /<dir>/<filename>.

Hello RodiC & Alister,
Im using bash. My code is now running fine with no error.
1. I first tried to assign the elements manually like:

i=1
while [ $i -lt ${#arr$} ]
do
arr[$i]=element(comes...

Thanks RudiC for your response.
I verified the points you have highlighted, and there is no problem with array size & initialization.Anyways, i can assign array size to another variable and use it...

Hello All,

I'm trying to extract the lines between two consecutive elements of an array from a file.
My array looks like:
problem_arr=(PRS111 PRS213 PRS234)

j=0
while [ $j -le...