Tagged Questions
2
votes
1answer
47 views
Linux one-liner to find the largest recurring group of lines in a text file?
I have a log containing an execution trace where there is infinite recursion eventually terminating when the stack is too deep. There are enough lines and valid included recursion within the larger ...
5
votes
6answers
317 views
What is the easiest way to add a string on the beginning of every line of the file from the command line?
I am looking for a way to add some string to the beginning of every line (same string for every line).
Not something customizable but rather something that will be easy to remember and available on ...
3
votes
2answers
67 views
Convert between Unicode Normalization Forms on the unix command-line
In Unicode, some character combinations have more than one representation.
For example, the character ä can be represented as
"ä", that is the codepoint U+00E4 (two bytes c3 a4 in UTF-8 encoding), ...
0
votes
1answer
92 views
Why does the paste command add line breaks? [duplicate]
I have 2 files: d and t. I would like to be able to combine these files so that the first line of file t is followed by a tab and then the first line of d. For shorter lines, paste t d seems to work ...
2
votes
2answers
139 views
Quickest way to find and replace a string in numerous HTML files
I have numerous HTML files all nested inside different folders contained in a single overall folder. In each of these HTML files I need to replace
/contact/index.html
With
/contact/index.php
...
0
votes
2answers
74 views
Count lines with alphabet in linux
I have a file with a number of lines in a file filename.
I want to count how many lines start with character 'a', with 'b' and so on in one go.
What command i should execute.?
3
votes
1answer
152 views
Command to transpose (swap rows and columns of) a text file [duplicate]
Is there currently a generic command that will "pivot" input.
e.g.
#labeled.file
name: bob
title: code monkey
name: joe
title: pointy haired
is converted to:
name title
bob code monkey
joe ...
3
votes
1answer
123 views
convert bulk of text files to pdf with naming based upon header file
Knowing that "How to convert from text to .pdf" is already well answered here link and here link, I am looking for something more specific:
Using Claws-Mail [website] and a Plug-In [RSSyl] to read ...
11
votes
2answers
958 views
echo a file without the first and last lines
Is there a simple way I can echo a file, skipping the first and last lines? I was looking at piping from head into tail, but for those it seems like I would have to know the total lines from the ...
2
votes
1answer
315 views
Regarding generating intersection and union of two csv files
I have two csv files, there are some overlap columns between these two files. Assume one file is called as A.csv and another is called as B.csv. The intersection of A and B is called as C.
I would ...
3
votes
1answer
526 views
How to do df only on root partition?
How can get df results only for / partition. The partition name/identification (/dev/sda2, /dev/cciss/c0d0p1) could vary on different computers.
3
votes
3answers
167 views
Regarding separate a single file into multiple files according to line separation
Currently, I have a plain text file, A, such as
lowest priority
very high significance.
outstanding
very novel
In this file, every line contains a sentence. I want to separate this file into ...
6
votes
4answers
230 views
extracting certain info from output
I'm trying to extract certain info from ffmpeg output.
Sample ffmpeg output:
configuration: --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver ...
0
votes
2answers
2k views
list the difference and overlap between two plain data set [duplicate]
Possible Duplicate:
Linux tools to treat files as sets and perform set operations on them
I have two data sets, A and B. The format for each data set is one number per line. For instance,
...
15
votes
5answers
2k views
Command line friendly spreadsheets
Does such a thing exist? Text-based spreadsheets that display well in a CLI environment. I'm aware that I could cat foobar.csvand do as I please, but it isn't particularly practical or attractive. I ...
