version 1.36, 2014/05/01 18:59:15 |
version 1.37, 2014/05/08 06:24:14 |
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.Nm |
.Nm |
is a program similar to the traditional |
is a program similar to the traditional |
.Xr more 1 , |
.Xr more 1 , |
but which allows backward movement in the file as well as forward movement. |
but with many more features. |
Also, |
It displays text one screenful at a time. |
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After showing each screenful, it prompts the user for a command. |
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When showing the last line of a file, |
.Nm |
.Nm |
does not have to read the entire input file before starting, |
displays a prompt indicating end of file and the name of the next file |
so with large input files it starts up faster than text editors like |
to examine, if any. |
.Xr vi 1 . |
It then waits for input from the user. |
.Nm |
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uses termcap (or terminfo on some systems), |
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so it can run on a variety of terminals. |
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There is even limited support for hardcopy terminals. |
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(On a hardcopy terminal, lines which should be printed at the top |
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of the screen are prefixed with a caret.) |
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.Pp |
.Pp |
This version of |
This version of |
.Nm |
.Nm |
also acts as |
also acts as |
.Xr more 1 |
.Xr more 1 |
if it is called as |
if it is called as |
.Nm more . |
.Nm more , |
In this mode, the differences are in the prompt and that |
or if the |
.Nm more |
.Ev LESS_IS_MORE |
exits by default when it gets to the end of the file. |
environment variable is set. |
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The main differences between the two are summarized in the |
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.Sx COMPATIBILITY WITH MORE |
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section, below. |
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.Pp |
Commands are based on both traditional |
Commands are based on both traditional |
.Nm more |
.Xr more 1 |
and |
and |
.Xr vi 1 . |
.Xr vi 1 . |
Commands may be preceded by a decimal number, |
Commands may be preceded by a decimal number, |
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behaves (mostly) in conformance with the POSIX "more" command specification. |
behaves (mostly) in conformance with the POSIX "more" command specification. |
In this mode, less behaves differently in these ways: |
In this mode, less behaves differently in these ways: |
.Pp |
.Pp |
The -e option works differently. |
The |
If the -e option is not set, |
.Fl e |
.Nm |
option works differently: |
behaves as if the -E option were set. |
it causes |
If the -e option is set, |
.Xr more 1 |
.Nm |
to exit the first time it reaches EOF, |
behaves as if the -e and -F options were set. |
not the second. |
.Pp |
.Pp |
The -m option works differently. |
The |
If the -m option is not set, the medium prompt is used. |
.Fl m |
If the -m option is set, the short prompt is used. |
option works differently: |
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if it is not specified, the medium prompt is used; |
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if it is specified, the short prompt is used. |
.Pp |
.Pp |
The -n option acts like the -z option. |
The |
The normal behavior of the -n option is unavailable in this mode. |
.Fl n |
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option acts like the |
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.Fl z |
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option. |
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The normal behavior of the |
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.Fl n |
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option is unavailable in this mode. |
.Pp |
.Pp |
The parameter to the -p option is taken to be a |
The parameter to the |
.Nm |
.Fl p |
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option is taken to be a |
command rather than a search pattern. |
command rather than a search pattern. |
.Pp |
.Pp |
The |
The |
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The name of the editor (used for the v command). |
The name of the editor (used for the v command). |
.El |
.El |
.Sh SEE ALSO |
.Sh SEE ALSO |
.Xr lesskey 1 |
.Xr lesskey 1 , |
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.Xr more 1 |
.Sh AUTHORS |
.Sh AUTHORS |
.An Mark Nudelman |
.An Mark Nudelman |
.Pp |
.Pp |