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Thanks you very much danmero :)
It works perfect for all the scenarios like 1-4,6... or 1,4-6,....
Now I need analyse what your code is doing.

Hi All,

I have a requirement where in I have an input as follows:-
input=1-4,6,8-10,12-15

I need to explode this range into an output file as follows:-
1
2
3
4
6
8
9
10
12
13
14
15...

Hi,

Can anyone Please tell me what is the difference between the following variation in the "if loops"

a. if [[ condition ]]
and
b. if [ condition ]

Thanks...
Rony

You are right zazzybob. I got carried away!!

The variable "a" was not getting populated with the value returned by the expression, with my code.

Your code just works perfect. Once again Thanks.

Thanks zazzybob

It worked for me. I did the following:-
a=`expr ${i} + ${j} >> $log_file 2>&1`

Now the error is going to the log file and not to the console. But please tell me what is wrong...

Hi All,

I have an expression as follows:-
a=`expr ${i} + ${j}` >> $log_file 2>&1

Here, if any of the values i or j or both happens to be empty then the "expr" returns error as
"expr: 0402-050...

Hi All,

There 2 files in the folder /temp/tst/
1.txt
2.txt

When I run the command

find /temp/tst \( -name "*.txt" \) -exec tar cf /temp/123.tar {} \;

it creates the tar file 123.tar...

This is working correctly Perderabo. But what if I have a directory which inturn have sub-diectories in it. And i want all the files in the parent directory as well as the files in different child...

Another option without sed would be:-
pattern=$1
var1=`ls -1t $pattern* |head -1`
echo "$var1"

Regards,
Rony

Great aigles !!
Both the code suggested by you is working fine and is excatly what I wanted. I tried this with a huge input file and still it's able to handle it without any errors.

Thank you...

This code have a missing "}". I guess it should be like this
awk 'substr($0,length($0)) == "," {print substr($0,1,length($0)-1)} substr($0,length($0)) != "," {print $0}' filename
Correct me if I am...

Great aigles !!

Thank you very much. This is what I was looking for.

But frankly I didn't understand the code. Could please explain why we are puting line=line $0. Are you concatinating the...

The above command works if I put it like this

awk 'sub(/$/,""){printf $0;next}' filename>newfilename

But then the output would be
1,2,3,4,5,
The last comma (after 5) should not be there in...

Thanks Jim. But i need to do it with shell script itself.

By the way if i change the structure of my source file as
1,
2,
3,
4,
5,
then the above problem of limitaion of length to a single...

Thanks Jim for your quick reply.

But for the sed command also i am getting it correct if the data is less but when it becomes big (say 1,2,3....5000,) it fails to write to the new file. So the new...

I am having a file which has data like this:-
1,2,3,4,5,


But I need to remove the last comma from this file. So the data should be like
1,2,3,4,5


The command I tried was


temp=`cat...

My requirement is if $a > $b then if have to execute a set of statements else another set of statements.
if [ `echo "if (${a} > ${b}) 1 else 0" | bc` -eq 1 ]
then
....
.....
else
.....
........

Hi vgersh99,

Can you please tell me how to use the else clause in the if statement you have written. (i.e. "if (${a} > ${b}) 1" | bc)" )

so that i will have something like this
"if (${a} >...