How to display line numbers in less GNU

Question

What is the command to make less display line numbers in the left column

User · Answer

You can set an enviroment variable to always have these options apply to all less d file   export LESS  -RS 3NM g

User · Answer

If you hit   and expect to see line numbers  but only see byte counts  then line numbers are turned off  Hit -n to turn them on  and make sure  LESS doesn t include  n    Turning off line numbers by default  for example  setting LESS n  speeds up searches in very large files  It is handy if you frequently search through big files  but don t usually care which line you re on   I typically run with LESS RSXin  escape codes enabled  long lines chopped  don t clear the screen on exit  ignore case on all lower case searches  and no line number counting by default  and only use -n or -S from inside less as needed

User · Answer

You can also press   while less is open to just display  at the bottom of the screen  information about the current screen  including line numbers  with format   myfile txt lines 20530-20585 1816468 byte 1098945 116097872 1    press RETURN    So here for example  the screen was currently showing lines 20530-20585  and the files has a total of 1816468 lines

User · Answer

The command line flags -N or --LINE-NUMBERS causes a line number to be displayed at the beginning of each line in the display   You can also toggle line numbers without quitting less by typing -N lt return gt   It it possible to toggle any of less s command line options in this way

User · Answer

You could filter the file through cat -n before piping to less   cat -n file txt   less   Or  if your version of less supports it  the -N option   less -N file txt

User · Answer

From the manual      -N or --LINE-NUMBERS             Causes  a  line  number to be displayed at the beginning of each             line in the display    You can also toggle line numbers without quitting less by typing -N   It is possible to toggle any of less s command line options in this way

[unix] How to display line numbers in 'less' (GNU)

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