Questions tagged [less]
The less tag has no usage guidance.
27
questions
0
votes
1
answer
75
views
MySQL client 8.0 showing "fwrite: Broken pipe" on large query when using a pager
I have always been using a pager (--pager="less -SFX" to be more specific) for MySQL client. Previously I was on version 5.6 of MySQL client/server and it was doing great. Recently I ...
- 59
0
votes
0
answers
49
views
less gives a bunch of files opened
I tried to open a file using less:
less /home/me/Desktop/file1
This is returning unexpected result like this:
/usr/bin/less: 1: [: missing ]
At least one file or directory argument required.
Use --...
0
votes
0
answers
36
views
Is there any way to "stop following" in less without pressing Ctrl+C?
If I pipe the output of a long-running command to less, for example:
foreman start | less -SR
And I now press F to follow the output of foreman, is there any way to tell less to stop following, ...
- 1,128
1
vote
1
answer
250
views
Jailkit/Chroot - Allow Less and More
I have the need to add the LESS and MORE commands to a jailed-user. I've attempted the following and can't quite get it to work:
# which less;which more
/usr/bin/less /usr/bin/more
Now that I ...
- 165
0
votes
0
answers
314
views
How to open multiple log files with less and logrotate?
I use logrotate for nginx and php logs. By default it names files like:
access.log
access.log.1
access.log.2.gz
...
access.log.10.gz
I want to open all of the log files in less so I can search ...
- 217
1
vote
1
answer
273
views
How to set LESSCHARSET system wide?
This is a follow up on How to make the 'less' command handle UTF-8?
If I want to set options for less globally, so that each user doesn't have to fiddle with their own env vars (.basrc, etc) ...
- 263
-1
votes
1
answer
186
views
Bash script ctrl+c error
I have log file system that renames the latest log file with current time and i must set a less command to check log file easily. I can quit less sommand with q but i must follow the latest incoming ...
0
votes
0
answers
208
views
*searching* for color changes in less
I have less already displaying colored output (e.g. from Vagrant or Packer) by having the LESS environment variable set to -R.
What I'd like to be able to do now is to search for specific colors, e.g....
- 839
11
votes
2
answers
5k
views
journalctl - stop following without exiting pager
If I do:
journalctl -u my-service
then a Shift-F to follow while paging, how do I (interrupt to abort) without exiting the pager?
With less, I typically just ^C, but if I do that in journalctl, it ...
- 231
0
votes
0
answers
50
views
less doesn't work in LXC container
I'm experiencing some trouble running less and expect inside LXC container (whether using console or SSH)
Expect won't work before I won't add an "interact" anywhere in the script, and less doesn't ...
- 1
5
votes
1
answer
3k
views
How to grep a continuous stream, with paging
I posted this to Superuser but got no takers: https://superuser.com/questions/832578/how-to-grep-a-continuous-stream-with-paging
I want to take a log file and filter out some irrelevant log entries, ...
- 198
3
votes
3
answers
885
views
Reopen a truncated file while following a file with less
Sometimes I am running a less +F on a log file, which I then truncate. I would like less to realize that the file has been truncated and start following the file as it is now. Currently, I am forced ...
- 4,040
9
votes
5
answers
1k
views
Adding tail behaviour where enter adds blank lines to less
I love less, which I can use to follow logs with the +F flag (or the ShiftF hotkey), search forwards and backwards, and generally move freely through the document.
But there is one thing missing in ...
- 4,040
-1
votes
1
answer
215
views
Overwrote less command, how do I reinstall it?
I was trying to use the following command to pipe the results to less so that I could read a listing fully:
ls -lh | less
This, according to various sources pipe the contents to less and allow ...
- 141
11
votes
5
answers
8k
views
less with "update file" like functionality
I want to watch a file that gets overwritten every 5 minutes with less. How can I make less follow the new file descriptor instead of keeping the old one displayed? watch "cat file" won't do it ...
- 411
17
votes
3
answers
11k
views
How to get less to seek faster with large log files?
I am often dealing with incredibly large log files (>3 GB). I've noticed the performance of less is terrible with these files. Often I want to jump do the middle of the file, but when I tell less to ...
- 1,076
2
votes
3
answers
2k
views
`less` not able to display special characters
I stumbled upon bad special characters in some manpages:
If your terminal is a "true" auto-margin terminal (it doesn▒<80><99>t allow the
last position on the screen to be updated ...
- 411
0
votes
1
answer
731
views
Following a file mixed with grep to exclude lines
Basically I want to combine the function whereby you can Less a file and then Shift+F to follow the file, as you would do with Apache's access.log.
However I would like the output to ignore/hide ...
- 827
4
votes
2
answers
2k
views
"Chop lines" in `less` isn't working
I'm doing:
less -S my_database_dump.sql
In order to see the files with the lines chopped (i.e. line wrapping.) But it's not working, the lines aren't being wrapped and I need to scroll horizontally ...
- 5,101
0
votes
1
answer
188
views
How do you jump to a particular line when using less from the command line?
I want something like:
less -j 4567 file.txt
- 113
208
votes
11
answers
319k
views
How to read backward from the end of file in less or more?
I've found one way so far: less +G filename, but it scrolls up line-by-line only with ↑.
What's a more powerful less usage which provides scrolling by page, backward pattern search, and so on?
- 2,185
2
votes
1
answer
2k
views
Less - Use PageUp/PageDown keys in Solaris
I have been away from Solaris for the last 5 years. I am use to use pageup and pagedown rather than b and f.
Anyone know a simple way to make this work? My shell is /bin/tcsh ( Im QA so I cannot ...
- 375
30
votes
13
answers
10k
views
Is there a paging version of `watch`?
Under a UNIX shell, how can I get a similar effect to the watch command, but with paging so that I can scroll around in the output if it takes up more than one screen?
In other words, I want a ...
- 441
10
votes
1
answer
7k
views
How can you set the -R in your LESS environment variable?
The question is based on this answer.
How can you set the -R in your LESS environment variable?
1
vote
1
answer
2k
views
Unable to understand a line of Less_termcap
This problem is related to the thread.
The line in my .zshrc
export LESS_TERMCAP_mb=$'\E[01;31m' # begin blinking
The following seems to mean
\$ starts the expression
' -- ' says everything ...
5
votes
3
answers
1k
views
What do you do when a command floods your terminal with too much output?
I'm trying to solve a common annoyance: when SSH'd into remote servers I often do things that produce a lot more output than I'm expecting. For example, grepping a large log file with a pattern that ...
- 2,346
127
votes
2
answers
47k
views
Colors in bash after piping through less?
When I have dircolors defined life is full of... color.
When I pipe ls through less to scroll around I lose the colors.
Any suggestions?
- 6,907