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git://git.suckless.org/sbase
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83 lines
1.2 KiB
Groff
83 lines
1.2 KiB
Groff
.Dd January 16, 2015
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.Dt TR 1
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.Os sbase
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.Sh NAME
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.Nm tr
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.Nd translate characters
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.Sh SYNOPSIS
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.Nm
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.Op Fl c | Fl C
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.Op Fl sd
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.Ar set1 set2
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.Sh DESCRIPTION
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.Nm
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matches characters from stdin and performs translations to stdout.
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl c | Fl C
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Match to
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.Ar set1
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complement.
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.It Fl d
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Delete characters matching
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.Ar set1 .
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.It Fl s
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Squeeze repeated characters matching
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.Ar set1
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or
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.Ar set2
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if
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.Fl d
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is set.
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.El
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.Sh SET
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.Bl -tag -width Ds
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.It Literal Sy c
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.It Escape sequence Sy \ec
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\e\e, \ea, \eb, \ef, \en, \er, \et, \ev, \eO[OO]
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.It Range Sy c-d
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.It Repeat Sy [c*n]
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Only in
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.Ar set2 .
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If n = 0 or left out, set n to length of
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.Ar set1 .
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.It Character class Sy [:class:]
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See
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.Xr wctype 3 .
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.It Equivalence class Sy [=c=]
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Resolve to
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.Sy c .
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.El
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.Sh TRANSLATION
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If no options are specified,
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.Nm
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translates from
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.Ar set1
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to
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.Ar set2
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by index or character class.
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.Pp
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If
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.Ar set2
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is shorter than
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.Ar set1 ,
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overflowing characters translate to the last character in
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.Ar set2 .
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.Sh EXIT STATUS
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.Bl -tag -width Ds
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.It 0
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Input processed successfully.
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.It 1
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An error occurred.
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.El
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.Sh SEE ALSO
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.Xr awk 1 ,
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.Xr sed 1 ,
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.Xr utf8 7
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.Sh STANDARDS
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The
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.Nm
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utility is compliant with the
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.St -p1003.1-2008
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specification except from equivalence classes.
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