10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
My file (the output of an experiment) starts off looking like this,
Subjects incorporated to date: 001
Data file started on machine PKSHS260-05CP
Subject 1,... (9 Replies)
Discussion started by: samonl
2. UNIX for Beginners Questions & Answers
I am using UNix Sun OS sun4u sparc SUNW,SPARC-Enterprise
My intention is to insert a line of text after 13th line of every file inside a particular directory.
While trying to do it for a single file , i am using sed
sed '3 i this is the 4th line' filename
sed: command garbled: 3... (5 Replies)
Discussion started by: gotamp
3. Shell Programming and Scripting
Bash/Oracle Linux 6.4
A basic requirement.
How can I get nth line of a file printed ? Can I use grep in this case ?
In the below file, 12th line is "Kernel parameter check passed for rmem_max" . I just want the 12 line to be printed.
# cat sometext.txt
Kernel version check... (2 Replies)
Discussion started by: John K
4. Shell Programming and Scripting
I have a script which reads from a job file and executed the scripts in the job file in sequence.
while read line
# mail the team
The job file will be like
This is working fine. I need to add... (2 Replies)
Discussion started by: nw2unx123
5. Shell Programming and Scripting
Is there an awk script that can easily perform the following operation?
I have a data file that is in the format of
1945-12,22.3... (3 Replies)
Discussion started by: ncwxpanther
6. Shell Programming and Scripting
For my reuirement, I have to read a file from the 2nd line till the last line<EOF>.
I have a file as test.txt, which as a header record in the first line followed by records in rest of the lines.
for i in `cat test.txt`
While doing the above loop, I have read... (5 Replies)
Discussion started by: machomaddy
7. Shell Programming and Scripting
For example i'm having the below contents in a file:
expr is great when you want to split a string into just two parts. The .* also makes expr good for skipping a variable number of words when you don't know how many words a string will have. But expr is lousy for getting, say, the fourth word... (2 Replies)
Discussion started by: bangarukannan
8. Shell Programming and Scripting
I know how to read a file line by line. But don't to how to skip to a line matching a criteria and then continue reading it till the end.
This is a log file. The input is a timestamp.
1. Find the timestamp in the log file
2. Read the remaining lines one at a time till EOF.
How can I do... (9 Replies)
Discussion started by: avinthm
9. Shell Programming and Scripting
I have a file split.txt with the following contents
Suppose if i want to display contents of line 3, I know this could be achieved using the command
sed -n '3p' split.txt
But I need the line number to be decided dynamically like
sed -n '$ap'... (2 Replies)
Discussion started by: deanamrita
10. UNIX for Dummies Questions & Answers
Hi to all,
I have a file with 1000 lines,Now i need to get 789th record.So please any one help me out from this.
Thanks in advance.
Sathish (3 Replies)
Discussion started by: bsathishmca