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.Nd a program to control backlight controllers
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.Sh SYNOPSIS
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.Nm light
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-.Op Fl abcGhHkIlLmOprV
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-.Op Fl s Ar ARG
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-.Op Fl v Ar LEVEL
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-.Op Fl A Ar VAL
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-.Op Fl S Ar VAL
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-.Op Fl U Ar VAL
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+.Op Ar OPTIONS
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+.Op Ar VALUE
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.Sh DESCRIPTION
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.Nm
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is a program to control backlight display and keyboard controllers under
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@@ -32,7 +28,7 @@ the display to be pitch black at a vaĺue of 0 (or higher)
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The following unique commands are supported:
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.Pp
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.Bl -tag -width Ds
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-.It Fl A Ar VAL
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+.It Fl A
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Add value
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.It Fl G
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Get value, default
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@@ -44,9 +40,9 @@ Restore brightness
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List controllers
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.It Fl O
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Save brightness
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-.It Fl S Ar VAL
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+.It Fl S
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Set value
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-.It Fl U Ar VAL
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+.It Fl U
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Subtract value
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.It Fl V
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Show program version and exit
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@@ -70,7 +66,7 @@ Act on keyboard backlight
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.It Fl l
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Act on display backlight, default
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.It Fl m
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-Get
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+Get
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.Fl G
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maximum brightness
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.It Fl c
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@@ -114,7 +110,7 @@ In its non-priviliged mode of operation the
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.Pa ~/.cache/light
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directory is used instead.
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.Sh AUTHORS
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-Copyright \(co 2014 Fredrik Haikarainen
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+Copyright \(co 2014-2018 Fredrik Haikarainen
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.Pp
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This is free software, see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
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Joachim Nilsson
6 年之前