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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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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22 views

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 ...
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244 views

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 ...
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1answer
378 views

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 ...
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50 views

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 ...
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328 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) ...
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39 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 ...
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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 ...
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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 ...
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69 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 ...
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129 views

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 ...
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51 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, ...
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102 views

searching a text file in linux using less

I am searching a very large ( 8+ Gb ) flat text file using less. It appears that less will search the entire file before it moves to the location of the first find. Is that accurate? Is there any ...
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47 views

How to wrap search when using less +F

I found the less +F is pretty useful for me to quickly switch to search mode to search the file being tailed. Is there any way I could wrap my search to the top of the file? I also tried to use ...
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87 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 ...
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84 views

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 ...
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113 views

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 ...
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108 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 ...