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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72 views

Can less wrap lines like fmt does?

Like most people I use less as my terminal pager. Occasionally I view files consisting of very long lines of plain or marked-up text. By default less folds these lines at the terminal window edge. ...
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2answers
144 views

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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1answer
153 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
290 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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1answer
28 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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1answer
296 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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1answer
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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0answers
44 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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0answers
76 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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0answers
31 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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0answers
12 views

Color lines in less based on content

I have a log4j file I am searching through with less and would like to make the lines for different levels of logging be different colors. Log4j has levels like DEBUG, ERROR, and INFO which show up ...
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0answers
23 views

How do I set $LESS invocation options in a lesskey file?

I'm trying to use less's lesskey-file support, as described in the manpage: KEY BINDINGS You may define your own less commands by using the program lesskey (1) to create a lesskey file. This ...
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0answers
13 views

`less` stick to bottom of screen

If I pipe the output of a program to less, how can I force the scroll position to stick to the bottom? The default behavior is for each line to be printed until the screen is filled, and continue to ...
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0answers
45 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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0answers
27 views

nmap buffering output, any way to get faster output?

I'm running nmap against the 256 IPs on my local network. $ nmap -sS -p 80,8080,443,8888 192.168.1.1/24 | less I'd like interactive output piped to less, that I can view as the scan progresses. ...
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0answers
66 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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0answers
91 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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0answers
53 views

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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0answers
100 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 ...