Questions tagged [diff]
diff - Command-line tool to display the differences between two files, or each corresponding file in two directories.
0
votes
0answers
7 views
vimdiff show differences with only parent rows
Two config files contain many blocks of the form
block name {
.....
sub block name1 {
.........
sub block name2 {
....
}
}
.....
}
Example:
Input (LHS) :
ltm ...
0
votes
1answer
37 views
comparison of two sorted files by common first field
I have to compare the IPs of two different /etc/hosts files and show a diff in side-by-side view.
File hosts_sorted
10.244.74.152 REF_UP-4
10.244.74.154 REF_UP-5
10.244.74.156 REF_UP-6
10.244....
13
votes
6answers
3k views
How to compare two different files line by line in unix?
File1:
123
234
345
456
File2:
123
234
343
758
Expected output:
File3:
TRUE
TRUE
FALSE
FALSE
so the code should compare two files and print 'TRUE' if it matches otherwise it should print 'FALSE' ...
2
votes
1answer
109 views
Using diff to compare the output of two commands
How does one go about using diff to compare the output of two commands?
I know how to use it to compare the contents of a file filename1 with the output of a command cmd2:
cmd | diff filename -
How ...
0
votes
0answers
43 views
Highlight differences between lines
I have a file with near-identical lines which have some slight differences, and I want to have a highlight of the differences between each line.
Example:
The quick brown fox jumps over the lazy dog.
...
1
vote
1answer
86 views
show does diff --exclude work?
I'm trying to use diff to compare two directory trees while ignoring certain sub-directories, but I'm not able to get it to work. This is what my file structures looks like:
temp/
|-- d1/
|-- f1....
2
votes
1answer
88 views
bash remove common lines from two files
I have two files, (no blank lines/Spaces/Tabs)
/tmp/all
aa
bb
cc
hello
SearchText.json
xyz.txt
/tmp/required
SearchText.json
and the end output I want is : (all uncommon lines from /...
-2
votes
2answers
69 views
Script not correctly printing the correct elements of the array
So basically I have to write a bash script that examines some specific files from the working directory (which are named file.00.txt up to file.24.txt). The thing is, 3 of them are exatcly the same ...
1
vote
2answers
53 views
Compare every nth line in 2 files and save (asymmetric) context
I have 2 files, each containing the same amount of 4-lines records, in the same order:
fileA:
record1 line1=header
record1 line2 X <= this is different but should be ignored
record1 line3 id ABC
...
0
votes
1answer
31 views
linux + compare between two folders
under /usr/lib/ambari-metrics-get folder and /usr/lib/ambari-metrics-put
we have jar files
/usr/lib/ambari-metrics-get/stax-api-1.0.1.jar
/usr/lib/ambari-metrics-get/stringtemplate-3.2.1.jar
/usr/...
0
votes
1answer
99 views
use 'diff-highlight' for diff
I have set up diff-highlight as pager / highlighter for git.
[pager]
log = diff-highlight | less
show = diff-highlight | less
diff = diff-highlight | less
That works perfectly.
But how ...
5
votes
1answer
136 views
Command-line diff tool
So we all have the diff command installed by default. I certainly don't know how to use it well. But I would expect some reasonable default usage. But when I type diff file1 file2 I get ... a text ... ...
0
votes
3answers
43 views
How to tell the difference between changed and added lines?
I have two csv files where I want to figure out the deleted, modified and added lines. (The first field is an unique id.)
The first file looks like:
0, WILL_BE_REMOVED
1, OLD
2, SAME
3, SAME
and a ...
0
votes
2answers
50 views
How can I compare two files by using just two columns and print the difference (without sorting)?
I have two files:
File 1:
No ID CV CA1 CA2
1 transcr_10283 0.999023367236861 -0.344113101336184 -0.032235130455987
2 transcr_10371 -0.572755303094372 -0.579145581184253 0....
2
votes
1answer
140 views
How to generate (git) diffs with <n> characters of context?
The --unified=<n> option lets you set the number of lines; is there a way to do the same for characters?
example
limit the context around the changes to X character(s) when using git diff --...
8
votes
1answer
671 views
diff showing only differences inside line
I want to compare lines in two files, but to minimize noise in the output, I want only the actual differences in the lines to be printed.
For instance, given the two files below:
a.txt
a b c d e f ...
0
votes
0answers
23 views
Patch files with only additive changes
How can I use eg diff to create a patch file containing only the additive changes from file A to file B?
Lets say B is a buffer containing only recent data, old data is deleted in a fifo manner. I ...
1
vote
1answer
98 views
Linux diff command, is it discarding newlines?
Does the Linux implementation if diff -w discard \n?
I don't have access to a Linux machine to check that out.
1
vote
2answers
362 views
Diff between two csv files based on the column
I have two files file1.csv and file2.csv.
Below are the contents of file1.csv
AL.jar;d8c06ebedd7954681f34ab5c94fdc4fb
AR.jar;9a553dd203d0979aa60004e19cc98c12
BI.jar;8022f6c5f83ba040394ff0b0a0323e8e
...
-1
votes
1answer
51 views
Linux Compare two files on different field and print field 1 of first file
I have two files like this.
file 1
1:apple
2:banana
3:pineapple
4:guava
5:orange
and file 2 like this
apple
guava
orange
i just want to compare file 2 with file 1 and print the 1st field for the ...
0
votes
2answers
73 views
How do I diff the output of these two commands? [duplicate]
I have an alias which I use to strip out comments that are piped to it:
alias decomment='egrep -v "(^#.*|^$)"'
I'm currently having some difficulty with a squid proxy setup, so I want to compare ...
2
votes
1answer
153 views
Multi-threading diff
I'm comparing the content of two directories using the diff command in bash.
It uses only one thread on a multi-thread system.
Does somebody knows a way to have diff to use more than one cpu/thread? ...
-1
votes
1answer
95 views
Find unique lines, ignoring certain columns
I want to be able to go through a file and find lines that are different in the fields I expect to be stable, ignoring differences in the fields I know will be different.
I want to ignore columns 2,5,...
1
vote
1answer
45 views
How to see which files are identical given a list of files in two projects
I have two projects named project1 and project2 with identical file trees as follows.
project1/, project2/
.
├── src
│ ├── index.html
│ ├── main.js
│ ├── normalize.js
│ ├── routes
│ │ ├──...
3
votes
1answer
48 views
How shall I understand the different outputs by `-A` and by `-e` of diff3?
diffutils' manual says, in diff3 -A mine older yours
The ‘--show-all’ (‘-A’) option acts like the ‘-e’ option, except that it brackets conflicts, and it outputs all changes from older to yours, not ...
-2
votes
1answer
77 views
How does `diff` decide whether a difference is change (i.e. replacement) or combination of addition and deletion?
I was wondering how diff decides whether a difference is change (i.e. replacement) or combination of addition and deletion?
The best I can find from diffutils' manual is
‘fct’
Replace the ...
0
votes
2answers
43 views
How shall I understand the conditions for merging by diff3 to be well-defined?
In diffutils' manual
diff3 mine older yours
You can remember the order of the arguments by noting that they are in
alphabetical order.
You can think of this as subtracting older from ...
-3
votes
2answers
91 views
What do comm and diff try to accomplish at input/output level?
Given two files, for each line in each file, how do comm and diff determine
whether the line also occur in the other file?
if it does, whether its occurrences in the two files are the same or ...
0
votes
1answer
427 views
How shall I understand the unified format of diff output?
From diffutils' manual
Next come one or more hunks of diff erences; each hunk shows one area
where the files differ. Unified format hunks look like this:
@@ from-file-line-numbers to-file-line-...
0
votes
2answers
366 views
Is there some tool for finding files in one directory but not in the other? [duplicate]
I would like to write a bash script to find those files in a directory but not in another directory.
Does the following script work? When does it not?
for i in "$1"/*; do
f=$(basename $i);
...
0
votes
1answer
43 views
Can someone explain to me what this **diff** means..? [duplicate]
I'm having an extremely hard time to read this can someone explain what it means, and what the difference between the two is ?
$> diff -U 3 user_output_test1 test1.output | cat -e
--- ...
1
vote
3answers
101 views
How to ignore differences between negative signs of numbers in the diff command?
I have two large files consisting mainly of numbers in matrix form, and I'd like to use diff (or similar command) to compare these files and determine which numbers are different.
Unfortunately, ...
23
votes
1answer
988 views
What effect does the “-d” option have with diff?
The diff implementation on OpenBSD has a non-standard -d option with the following documentation:
-d
Try very hard to produce a diff as small as possible. This may
consume a ...
3
votes
2answers
188 views
How to produce a diff without lone identical lines
Let's say I have rewritten a C function from scratch. It often happens that some lines happen to be identical before and after, in particular blank lines and closing braces. When I create a unified ...
0
votes
1answer
30 views
Comparing IP info between two files based on criteria and outputting the results to two different files [duplicate]
I have a file called "knownIP". This file contain known IP addresses for a group of windows servers. These IP addresses are unique to this group of windows servers.
I have another file called "...
0
votes
1answer
272 views
Diff outputs “binary files <file1> <file2> differ” but not the usual detail output
I would like to compare two files - "orienv" and "currenv", using the command diff.
The way I had created the two files was as follow:
Createing the "currenv" file
$cat /proc/1/environ >> ...
4
votes
7answers
247 views
How to compare the same word between multiple files?
I would like to count the same words across multiple files then show in which file they are.
File1:
This is so beautiful
File2:
There are so beautiful
File3:
so beautiful
The desired output 1:
...
0
votes
1answer
115 views
Comparing two files with an easy readable GUI program?
I would like to compare two large files that are not close to 1Gb in size.
Kompare crashes when the files load is large. I configured Kompare as in the photo below:
I would like to present the ...
1
vote
1answer
68 views
How alike/different are two binary files
I have some media files (right now it's video files, but I suspect I would also be able to use a good solution on picture files), that are very similar, but according to diff/cmp not identical. But if ...
1
vote
2answers
41 views
Comparing two separate directories for directories and files within
To compare the structure by iterating through each and every folder, I have tried to list the output(to a text file) of every directory and file present :
diff --brief -Nr dir1/ dir2/ > out.txt
...
-2
votes
2answers
34 views
Filter the below text using shell commands
I am able to get the file difference using git diff command and I got it filtered like below:
-This folder contains common database scripts.
+This folder contains common database scripts.
...
3
votes
2answers
933 views
Side by side diff of large files
I have two ~1 GB files that I want to do a side by side diff of. Solutions I have tried:
diff - Works quickly but doesn't output side-by-side.
diff -y or sdiff - This outputs side-by-side but it ...
1
vote
1answer
26 views
Diff acting very strangely, reports long blocks as deleted when short bits throughout the block have been changed, deleted or added
I have two files, both are outputs from a code that I have put through cut to only look at the first 26 characters of each line. Both files are lists of parameters that the code measured, such as "...
1
vote
1answer
306 views
How to find which lines are different in a CSV file in the Linux command line?
Im trying to find which lines differ in between file1.csv and file2.csv. if file1.csv looks like this:
1,2,3,4
5,6,7,8
9,10,11,12
and file2.csv looks like this:
1,2,3,4
9,9,9,9
5,6,7,8
9,9,11,12
...
0
votes
1answer
36 views
Print only what is exclusive to a file compared to another in Bash
Good day everyone,
I know there are a lot of similar questions already answered, but I can't find a satisfying answer and it drives me nuts.
I have two files which both contain hostnames : one that ...
0
votes
1answer
238 views
Use diff and ls to detect files that changed in remote folder
I have a remote directory with read access.
I want to generate a list of files that changed since last iteration.
My idea is something like:
$ cp output.new output.old
$ ll > output.new
$ diff ...
0
votes
4answers
35 views
Getting Mismatched Entries In 2 Files [closed]
Problem..{ I've users with home dirs in /home, so I can get a list of users matching my criteria with following command.
STEP 1: Fetching A List Of Users
du -h --max-depth=1 /home 2>/dev/null | ...
3
votes
1answer
3k views
Compare two zip files for differences
diff command compares to see any difference betwenn two files. Can the same be used to compare two zip files, i.e if there is any difference in data ,like counts etc in individual files in the zipped ...
1
vote
3answers
1k views
Linux equivalent of windows cmd command
I'm migrating to Linux, and I need to convert the following Windows cmd command:
fc file1.txt file2.txt | find /i "no se han encontrado diferencias" > nul && set equal=yes
I think fc can ...
0
votes
0answers
21 views
Software for directory integrity
I keep a directory on my home server with all of my important files on it. I want to make offline backups of this directory. But as I add and modify file, I also want to be able to make comparisons ...
