less is a terminal pager program used to view (but not change) the contents of a text file one screen at a time.

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1answer
30 views

Can I set both (in and out) charsets in `less`?

I can tell less to output characters in UTF-8: export LESSCHARSET=UTF-8 But then it tries to read files as UTF-8 as well. Can I tell it to read files as ISO-8859-2 (latin2) but display them as ...
2
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1answer
149 views

How to chain multiple LESSOPEN scripts?

Linux distributions nowadays have a default LESSOPEN set to /usr/bin/lesspipe which allows one to easily inspect e.g. zipped files or PDF files. Now I wanted to see whether I can add syntax ...
2
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1answer
42 views

`diff -y file-{a,b} | less` and DOS line endings display issues

In my current job I often have to work with files from Windows machines which most of the time isn't a big deal, but when piping a side-by-side diff to less, not only are the ^M being displayed, but ...
2
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1answer
24 views

When using less with -S option, it moves text on top when I press right key

I am using less as pager in MySQL, and I have configured it with -S flag, so that it does not wrap text. The only issue is that, when I have a small result set and want to see what is on the right, I ...
1
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1answer
45 views

`docker logs foo | less` isn't searchable or scrollable but `docker logs foo 2>&1 | less` is

Using either one gives readable text. But only with the stderr redirect can one scroll or type /somepattern and get matches. Without it searching gives "Nothing to search (press RETURN)" and a ...
1
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1answer
62 views

Can less be instructed to collapse blocks of lines

Is there a way to instruct less to fold blocks of lines matching some criteria into a single line in the view? For example while viewing a mail spool with less, the mail headers may take up a lot of ...
1
vote
1answer
114 views

how to make less -S not take up the entire screen

suppose I have this: cat new_file.txt | less -FRSX Then suppose I press the right button in order to scroll to the right This will cause the contents of new_file.txt to move to the top of the ...
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47 views

Prevent scp and less commands reading interactive tcsh script

I'm using tsch through PuTTY, and let's start by this: please don't try to convince me to migrate to another shell...:) It's being a long time that commands like scp and less didn't work well for me. ...
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78 views

Why does “less” sometimes forget its history

I set and exported $LESSHISTFILE and $LESSHISTSIZE but if I perform a search in one less session, close, reopen it and try to repeat my last search I get "No previous regular expression (press ...
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306 views

Using Unison with colordiff

I want Unison to show the diffs with colordiff. I’ve got diff = colordiff -u CURRENT2 CURRENT1 | less -R in my config file but it seems like Unison pipes the output to plain less nonetheless, so I ...
2
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122 views

Command-line file reader (like “less”) that can tell the line where the user stopped reading

[Context] I'm developing a little app, as a hobby to learn ncurses, that catalogs and lists and searches within a set of documents (for now, they are the HOWTOs from TLDP). The most tricky part of ...
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27 views

Paging with follow less +F and colorize with awk

I would like to paginate a file with follow, i.e. $less +F and also colorize the output on the screen. I want to use less because I can leave the follow mode, browse the file and then re-enter the ...
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0answers
16 views

Search for occurrences of text in a long line in less

I am using less to view a file with many long lines. less automatically wraps these lines, but when I use / and n to search for something, it only shows the first occurrence of the text on a line. ...
1
vote
0answers
88 views

man causes a broken pipe when using a pager other than less

I'm trying to write a simple script to format my man pages, but I've run into a broken pipe error. These lines both cause the error: env MANPAGER=cat man $foo man -P cat $foo and this is the ...
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86 views

Why does SPACE sometimes not work with more (or less)

Usually with |more I press space to get another screenful. But with some commands space just does nothing, and I need to actually keep doing SPACE-ENTER to scroll forward a screen at a time. Both more ...