66 lines
1.8 KiB
HTML
66 lines
1.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<HEAD>
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<META http-equiv="Content-Type" content="text/html; charset=Windows-1252">
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<TITLE>h (Hash) command</TITLE>
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<LINK href="style.css" rel="stylesheet" type="text/css">
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</HEAD>
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<BODY>
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<H1>h (Hash) command</H1>
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<P>Calculate hash values for files.</P>
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<H4>Syntax</H4>
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<PRE class="syntax">
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h [-scrc{Method}] [files]
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</PRE>
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<P>Supported methods: CRC32, CRC64, SHA1, SHA256, BLAKE2sp. Default method is CRC32.</P>
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<H4>Examples</H4>
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<PRE class="example">
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7z h a.txt
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</PRE>
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<P>calculates CRC32 for <SPAN class="filename">a.txt</SPAN>.</P>
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<PRE class="example">
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7z h -scrcsha256 a.iso
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</PRE>
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<P>calculates SHA256 for <SPAN class="filename">a.iso</SPAN>.</P>
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<PRE class="example">
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7z h *
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</PRE>
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<P>calculates CRC32 for all files in current folder and all subfolders.</P>
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<H4>Notes</H4>
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<P>7-Zip shows hash values for each file, the sum of hash values and
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the sum that includes all hash values of data and all hash values for filenames.</P>
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<P>7-Zip represents hash values for CRC32 and CRC64 as integer numbers in hex.</P>
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<P>7-Zip represents hash values For SHA1, SHA256 and BLAKE2sp as sequence of bytes in hex.</P>
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<H4>Switches that can be used with this command</H4>
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<P>
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<A href="../switches/include.htm">-i (Include)</A><BR>
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<A href="../switches/method.htm">-m (Method)</A><BR>
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<A href="../switches/recurse.htm">-r (Recurse)</A><BR>
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<A href="../switches/scrc.htm">-scrc (Set hash method)</A><BR>
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<A href="../switches/stdin.htm">-si (use StdIn)</A><BR>
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<A href="../switches/sns.htm">-sns (Store NTFS alternate Streams)</A><BR>
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<A href="../switches/shared.htm">-ssw (Compress shared files)</A><BR>
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<A href="../switches/exclude.htm">-x (Exclude)</A>
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</P>
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</BODY>
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</HTML>
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