Questions tagged [less]
less is a terminal pager program on Unix, Windows, and Unix-like systems used to view (but not change) the contents of a text file one screen at a time.
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questions with no upvoted or accepted answers
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How do I see current status of runtime options of less utility?
Less takes runtime options from LESS environment variable + system-wide lesskey file + $HOME/.less file + command line arguments + runtime commands invoked by user.
Use case
After toggling some ...
3
votes
0
answers
566
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How can I paginate Docker commands?
The output of some Docker commands (such as docker container ls) takes a lot of space of my terminal, causing a lot of line breaks, which makes the reading to be a frustrating task.
So I wondered if ...
2
votes
1
answer
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G in less doesn't go to the bottom
when I use G in less it's only scrolling down one screen length, rather than going to the bottom. vim on the otherhand will scroll to the bottom.
Is there a reason for this behaviour?
2
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1
answer
262
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How to get fish-style formatting with less
Let's say I run a command like ls in fish and get lots of output, how do I scroll through it and still keep the fish formatting or something like it?
ls | less doesn't keep the formatting.
I know ...
2
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0
answers
338
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Neither less or less -X clear screen on exit. (Trust me, I googled....)
Neither less or less -X clear screen on exit. At the same time, vim does....
Env iTerm2, protocol mosh, server Centos + tmux + zsh
iTerm2: report term as xterm-256color
tmux: set -g terminal-...
2
votes
1
answer
917
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How can I set `less` or `more` max lines (scrollable height) limit/boundary in linux?
(Sorry for the title. Any suggestions?)
I've set my commandline PS1 to cover 3 lines:
white space
user, server and pwd
$ or # to input
I think less (or more?) is configured to break after window's ...
1
vote
0
answers
139
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In less cmd, I cannot use mouse to select characters expect press Shift button. Why?
Refered to this post, I had set export LESS='-riF --mouse --wheel-lines=3', and solved the scrolling problem, but I coundn't select any charaters on the screen except pressing SHIFT button.
This is ...
1
vote
2
answers
54
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Less - How to jump to a part in a large pdf?
I am using less to view a large (Think over 5k page) pdf in my terminal. The pdf is divided up into chapters. I am curious to know, how do I go to a certain chapter in the pdf without knowing the line ...
1
vote
0
answers
32
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lesspipe.sh doesn't save tabstop setting
I like to use 4 spaces for tabstop, so my less settings is:
export LESS="-x4 -FRS"
export LESSOPEN='|lesspipe.sh %s'
But when I view source file with less src.c I see 8 spaces which is not what I ...
1
vote
0
answers
148
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Multi-page output :: text select with tmux over ssh
I have a local terminal within tmux. Now I connect to a remote server via SSH and run some command piped to less. With tmux I can easily select part or the entire screen, however I can not select text ...
1
vote
1
answer
91
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Various environments and weird less behaviour
I am playing with I/O redirection and have problem with less behaving differently in two environments. Both environments are Solaris-based and
are of the same version.
I am executing program in two ...
1
vote
0
answers
324
views
Can vim be used to view a growing file?
I often use vim's view for viewing files. Is there a way to use it for a growing file so that I can see the progress as it's happening? Something similar to
tail -f
or
less +F
I have two use cases:...
1
vote
0
answers
394
views
Need to CTRL-C "less" in order to see file?
I have never seen this behavior before using "less" and am wondering if it speaks to a corrupted file?
Typically when I use less <filename> the file is immediately displayed. In the case of a ...
1
vote
0
answers
141
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Why does read's timeout break my console?
I have a script that is causing an issue, I've boiled it down to this;
#/bin/bash
read -t 1 -p 'Wanna continue?'
less +F readTimeout.sh
echo 'Wont get printed'
The original script operated by ...
1
vote
0
answers
86
views
Is it possible to have less +F with lesskey's that work without interrupt?
My situation is that I currently have some lesskeys set.
And they do things fine in normal mode, but I want to have the file that I'm view also be updated.
This is obviously possible with less +F, ...
1
vote
1
answer
584
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Less in cygwin can't read file created from redirected windows cmd script
I'm running windows cmd script from windows console and redirecting output to a file by mycommand.cmd > 'filename ' 2>&1 the problem is, when I'm trying to read that file using less under ...
1
vote
2
answers
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utility "less" takes high cpu
I'm using suse 9 and redhat 5. Sometimes I see that "less" takes a lot of cpu. It happens more on suse 9 though happened on redhat 5 too. I have to admit that the frequency of such event is very low - ...
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0
answers
20
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Cygwin "less" pager: "s" command not saving text to file
According to this Q&A, less's s command should save the paged text to file. When I press s, I am asked for a log file. I provide a fill path ~/tmp/less_blah.txt, and the prompt then goes away. ...
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0
answers
29
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How do I make less look like a terminal to programs attached to its input?
Questions like "How do I get grep to pipe color output to less?" explain what flag to give to grep so it'll ignore the fact that less isn't a regular terminal. Is there a way to fool an ...
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In less, what's the matter with the <End> key as command?
In less I have been using the End key as a command for many years.
This is in order to let less end working page by page but instead to let less make its work up to the end of the file from that ...
0
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218
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Does `less`'s text search NOT work with huge files?
Either this is a bug, or I'm not understanding something. But I use less -p value filename.txt to search for value in filename.text and when I do it for a file that only contains a couple of lines of ...
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1
answer
351
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Indent wrapped lines using less
Using less you can wrap long lines with -S or --chop-long-lines.
Is there any way to indent those wrapped lines?
0
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604
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Pressing q does not exit in less running in tmux
How to exit file reading mode (in less) in Linux terminal?
To quit less, type q.
I am using tmux on remotely connected node using ssh. I am connecting into host as follows: ssh -xt4C username@host.
...
0
votes
1
answer
46
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When I press up-arrow in 'less' in mintty (cygwin), only the top line changes. How do I fix this?
Here is what is happening:
How do I fix this?
(Just to be clear, the issue occurs when I type less <any filename>. The man less in the gif is just an arbitrary command to demonstrate the ...
0
votes
0
answers
207
views
less showing ^M instead of going to a new line
I have a log file where borg --progress adds many lines separated by ^M.
Weirdly, less puts the ^M in the screen "as it is", instead of producing a new line.
Is there a reason for that?
How can I ...
0
votes
2
answers
2k
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Less Compiler is not working in PHPStrom 2018.3
I am using PHPstrom 2018.3 (latest Version). I am getting this error while I am using less to compile through file watcher.
Failed to run File Watcher ', Less'.
The watcher has been disabled.
Error: ...
0
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1
answer
36
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less +F but tracking file by name, not inode
I'm looking at log file but it's renamed (logs rotation mechanism). How do I see actual logging file in less-like fashion, so I can stop updating for a while and then continue?
0
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0
answers
35
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Have pager (less) re-run git log upon keypress
Sometimes I find it handy to have the git commit graph (given by git log) displayed side-by-side to the terminal pane I'm working in.
git log is run with the less pager by default and only shows the ...
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0
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21
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Less program rendering breaks
I've been experiencing this problem on multiple computers, over a long time, but I could never find any mention of it anywhere so I thought I should ask it to understand whether it's only me once and ...
0
votes
1
answer
685
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Special characters in less log file make it useless
I want to save the output of the Python help command to a file. Since it uses less, the obvious way is to "s file" while in less. It works, but the words which less shows in bold are screwed up. Any ...
0
votes
1
answer
110
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less -S server.log (unix)
For a better understanding I prefer to read the logs with no wrap lines.
In less I can get this with the -S option.
The problem is that I can not select and copy rows that go beyond the right side ...
0
votes
0
answers
159
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Special and diacritic charactres using less, cat and other linux tools
I am using GNU bash, Version 4.1.10(4)-release (i686-pc-cygwin) and set up my .inputrc to allow for special characters and German umlauts etc.:
set meta-flag on
set convert-meta off
set output-meta ...
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Why does `less` not recognize the mouse wheel when stdin is a pipe?
I was wondering why my less sometimes does not recognize the mouse wheel (my terminal is Konsole). Now I've found a pattern: It seems to work whenever less's STDIN comes directly from the shell (zsh ...
0
votes
1
answer
504
views
Less not scrolling immediately on long lines (xterm-256color vs vt100)
When I press 'j' in a text file with long lines, it won't proceed to
the next line until I've pressed j 'n' times.
So if I have a file:
a
b
c
d
e (long line that displays as 5 lines on screen)
And ...
0
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0
answers
151
views
mutt colorizing piped messages
Viewing messages in mutt are colorized, but piping them through the less pager removes colorization. How do I preserve message colorization?
I've tried: | less -R
but colorization is stripped ...
-1
votes
1
answer
52
views
Filtered file viewer
I'm using the less to view log files. This is quite good, but I want to filter out some lines from output. E.g. I don't want to see lines containing "DEBUG" or I want see lines which contain only "[...