108 lines
4.3 KiB
HTML
108 lines
4.3 KiB
HTML
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<head>
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<title>tr(1) - Plan 9 from User Space</title>
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<meta content="text/html; charset=utf-8" http-equiv=Content-Type>
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</head>
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<body bgcolor=#ffffff>
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<table border=0 cellpadding=0 cellspacing=0 width=100%>
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<tr height=10><td>
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<tr><td width=20><td>
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<tr><td width=20><td><b>TR(1)</b><td align=right><b>TR(1)</b>
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<tr><td width=20><td colspan=2>
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<br>
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<p><font size=+1><b>NAME </b></font><br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
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tr – translate characters<br>
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</table>
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<p><font size=+1><b>SYNOPSIS </b></font><br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
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<tt><font size=+1>tr</font></tt> [ <tt><font size=+1>−cds</font></tt> ] [ <i>string1</i> [ <i>string2</i> ] ]<br>
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</table>
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<p><font size=+1><b>DESCRIPTION </b></font><br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
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<i>Tr</i> copies the standard input to the standard output with substitution
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or deletion of selected characters (runes). Input characters found
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in <i>string1</i> are mapped into the corresponding characters of <i>string2</i>.
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When <i>string2</i> is short it is padded to the length of <i>string1</i> by
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duplicating its last character. Any combination of the
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options <tt><font size=+1>−cds</font></tt> may be used:<br>
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<tt><font size=+1>−c</font></tt> Complement <i>string1</i>: replace it with a lexicographically ordered
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list of all other characters.<br>
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<tt><font size=+1>−d</font></tt> Delete from input all characters in <i>string1</i>.<br>
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<tt><font size=+1>−s</font></tt> Squeeze repeated output characters that occur in <i>string2</i> to
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single characters.
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<table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table>
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In either string a noninitial sequence <tt><font size=+1>−</font></tt><i>x</i>, where <i>x</i> is any character
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(possibly quoted), stands for a range of characters: a possibly
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empty sequence of codes running from the successor of the previous
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code up through the code for <i>x</i>. The character <tt><font size=+1>\</font></tt> followed by 1,
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2 or 3 octal digits stands for the character whose 16-bit
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value is given by those digits. The character sequence <tt><font size=+1>\x</font></tt> followed
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by 1, 2, 3, or 4 hexadecimal digits stands for the character whose
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16-bit value is given by those digits. A <tt><font size=+1>\</font></tt> followed by any other
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character stands for that character.<br>
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</table>
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<p><font size=+1><b>EXAMPLES </b></font><br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
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Replace all upper-case ASCII letters by lower-case.<br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
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<tt><font size=+1>tr A−Z a−z <mixed >lower<br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table>
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</font></tt>
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</table>
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Create a list of all the words in <tt><font size=+1>file1</font></tt> one per line in <tt><font size=+1>file2</font></tt>,
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where a word is taken to be a maximal string of alphabetics. <i>String2</i>
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is given as a quoted newline.<br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
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<tt><font size=+1>tr −cs A−Za−z '<br>
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' <file1 >file2<br>
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</font></tt>
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</table>
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</table>
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<p><font size=+1><b>SOURCE </b></font><br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
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<tt><font size=+1>/usr/local/plan9/src/cmd/tr.c<br>
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</font></tt>
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</table>
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<p><font size=+1><b>SEE ALSO </b></font><br>
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<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
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<a href="../man1/sed.html"><i>sed</i>(1)</a><br>
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</table>
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<td width=20>
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<tr height=20><td>
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</table>
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<!-- TRAILER -->
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<table border=0 cellpadding=0 cellspacing=0 width=100%>
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<tr height=15><td width=10><td><td width=10>
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<tr><td><td>
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<center>
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<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a>
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</center>
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</table>
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<!-- TRAILER -->
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</body></html>
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