10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
I'm trying to write a script that takes a file name in the form of Name_Num1_Num2.Extension and I want to separate the name portion and then use grep to see if that name part has any illegal characters in it.
I already have my grep command written and it works, I'm not sure how to separate the... (5 Replies)
Discussion started by: steezuschrist96
5 Replies
2. UNIX for Beginners Questions & Answers
hi,
I'm trying to print out the contents of a folder into a .txt file.
The code I'm trying amongst variations is:
ls -1 > filenames.txt
but it prints them all on the same line ie.
image102.bmpimage103.bmpimage104.bmpimage105.bmpimage106.bmp
how can I change this?
Please... (2 Replies)
Discussion started by: newbie100
2 Replies
3. Shell Programming and Scripting
Hello,
I want to grep a log ("server.log") for words in a separate file ("white-list.txt") and generate a separate log file containing each line that uses a word from the "white-list.txt" file.
Putting that in bullet points:
Search through "server.log" for lines that contain any word... (15 Replies)
Discussion started by: nbsparks
15 Replies
4. Shell Programming and Scripting
Hello, I have a pretty simple question, but I am new to Python and am trying to write a simple program. Put simply, I want to take a text file that looks like this:
11111 22222
33333 44444
55555 66666
77777 88888
and produce two lists, one containing the contents of the left column, one the... (0 Replies)
Discussion started by: Tyler_92
0 Replies
5. Shell Programming and Scripting
Hi All,
I am new to this forumn as well to the UNIX, I have basic knowledge of UNIX which I studied some years ago, now I have to do some shell scripting to load data into Oracle database using sqlldr utility, whcih I am able to do. I have a requirement where I need to do following operation.
I... (10 Replies)
Discussion started by: shekharjchandra
10 Replies
6. Shell Programming and Scripting
Hi All,
I need some help to effectively parse out a subset of results from a big results file.
Below is an example of the text file. Each block that I need to parse starts with "Output of GENE for sequence file 100.fasta" (next block starts with another number). I have given the portion of... (8 Replies)
Discussion started by: Lucky Ali
8 Replies
7. Shell Programming and Scripting
Hi All
I wanted to know how to effectively delete some columns in a large tab delimited file.
I have a file that contains 5 columns and almost 100,000 rows
3456 f g t t
3456 g h
456 f h
4567 f g h z
345 f g
567 h j k lThis is a very large data file and tab delimited.
I need... (2 Replies)
Discussion started by: Lucky Ali
2 Replies
8. Shell Programming and Scripting
I have a text file with lot of rows like..
Action & Adventure|2012: Supernova NR|2009-11-01 00:01:00|2010-05-01 23:59:00|Active|3
Action & Adventure|50 Dead Men Walking|2010-01-05 00:01:00|2010-06-30 23:59:00|Active|3
Action & Adventure|Afterwards|2009-11-26 00:01:00|2010-03-26... (3 Replies)
Discussion started by: ramse8pc
3 Replies
9. Shell Programming and Scripting
Can some one help me with shell script to extract a text block between two known strings.
The given input file is as below:
Name: abs
Some tesxt....
Some tesxt....
Some tesxt....
end of text
Name: xyz
Some tesxt....
Some tesxt....
Some tesxt....
end of text
Name: efg
Some... (5 Replies)
Discussion started by: ejazs0
5 Replies
10. UNIX for Dummies Questions & Answers
I am using Unix on Mac OS X 10.5.6.
I am trying to extract the last entry of a log (text) file. As seen below, each log entry looks like the following (date and time change with each log entry):
I want the script to extract everything quoted above, including the "===" dividers.
... (2 Replies)
Discussion started by: atilano
2 Replies