10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi, I need to print lines which are matching with start pattern "SELECT" and END PATTERN ";" and only select the last "select" statement including the ";" .
I have attached sample input file and the desired input should be as:
INPUT FORMAT:
SELECT
ABCD,
DEFGH,
DFGHJ,
JKLMN,
AXCVB,... (5 Replies)
Discussion started by: nani2019
5 Replies
2. UNIX for Beginners Questions & Answers
Hi guys
Done a bit of research online but can't seem to figure it out, is there anyway of grepping or using sed to view a specific time period of a log file.
I am trying to view a log file for Saturday 22nd April between 08:00 - 12:00
I saw this command online and tried but doesn't seem to... (10 Replies)
Discussion started by: simpsa27
10 Replies
3. Shell Programming and Scripting
Hi,
I have a file with hundreds of lines. I want to search for particular lines starting with 4000, search and replace the 137-139 position characters; which will be '000', with '036'. Can all of this be done without opening a temp file and then moving that temp file to the original file name.
... (7 Replies)
Discussion started by: dsid
7 Replies
4. Shell Programming and Scripting
Data file example
I look for primary and * to isolate the interesting slot number.
slot=`sed '/^primary$/,/\*/!d' filename | tail -1 | sed s'/*//' | awk '{print $1" "$2}'`
Now I want to get the Touch line for only the associate slot number, in this case, because the asterisk... (2 Replies)
Discussion started by: popeye
2 Replies
5. UNIX for Dummies Questions & Answers
Hi
I have a file which is tab-delimited. Now, I'd like to print the lines which have "chr6" string in both first and second columns. Could anybody help? (3 Replies)
Discussion started by: a_bahreini
3 Replies
6. UNIX for Dummies Questions & Answers
This could be a really dummy question.
I have a log text file.
What unix command to extract line from specific string to another specific string.
Is it something similar to?:
more +/"string" file_name
Thanks (4 Replies)
Discussion started by: aku
4 Replies
7. Shell Programming and Scripting
Hello all,
I have thousand file input like this:
file1:
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$ | | | |$$
$$ UERT | TTYH | TAFE | FRFG |$$
$$______|______|________|______|$$
$$ | | | |$$
$$ 1 | DISK | TR1311 | 1 |$$
$$ 1 |... (4 Replies)
Discussion started by: attila
4 Replies
8. Shell Programming and Scripting
I woud like to substitue a string on a specific position for specific lines
I've got a file and I would like to change a specific string from "TOCHANGE" to "ABCABCAB"
For every line (except 1,2, 3 and the last one) , I need to check between the 9th and the 16th digits.
For the 3rd line, I... (7 Replies)
Discussion started by: BSF
7 Replies
9. Shell Programming and Scripting
Hey,
I know the head and tail function is to view like the top or bottom lines for each file. But lets say I want to view the top/bottom 100 or top/bottom 1000 for a file. whats the command that I use to do this?
thanks (2 Replies)
Discussion started by: kylle345
2 Replies
10. UNIX for Dummies Questions & Answers
are there any basic commands that can display lines 99 - 101 of the /etc/passwd file?
I'm thinking use of head and tail, but I forget what numbers to use and where to put /etc/passwd in the command. (2 Replies)
Discussion started by: raidkridley
2 Replies
