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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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2 <HTML>
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3 <HEAD>
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4 <META http-equiv="Content-Type" content="text/html; charset=Windows-1252">
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5 <TITLE>Command Line Syntax</TITLE>
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6 <LINK href="style.css" rel="stylesheet" type="text/css">
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7 </HEAD>
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8
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9 <BODY>
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10
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11 <H1>Command Line Syntax</H1>
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12
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13 <PRE class = "syntax">
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14 7z <A href = "commands/index.htm"><command></A> [<A href = "switches/index.htm"><switch></A>...] <base_archive_name> [<arguments>...]
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15 </PRE>
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16 <PRE class = "syntax">
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17 <arguments> ::= <A href = "switches/index.htm"><switch></A> | <wildcard> | <filename> | <list_file>
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18 <A href = "switches/index.htm"><switch></A>::= <switch_symbol><switch_characters>[<option>]
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19 <switch_symbol> ::= '/' | '-'
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20 <list_file> ::= @{filename}
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21 </PRE>
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22
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23
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24 <P>Expressions in square brackets (between '[' and ']') are optional.</P>
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25
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26 <P>Expressions in curly braces ('{' and '}') mean that instead of that
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27 Expression (including braces), the user must substitute some string.</P>
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28
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29 <P>Expression</P>
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30
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31 <PRE class = "syntax">
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32 expression1 | expression2 | ... | expressionN</DT>
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33 </PRE>
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34
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35 <P>
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36 means that any (but only one) from these expressions must be specified.
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37
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38 <P><A href = "commands/index.htm">Commands</A> and
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39 <A href = "switches/index.htm">switches</A> can be entered in upper or lower case.</P>
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40
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41 <P>Command is the first non-switch argument.</P>
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42
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43 <P>The "base_archive_name" must be the first filename on the command line
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44 after the command.</P>
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45
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46 <P>The switches and other filenames can be in any order.</P>
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47
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48 <P>Wildcards or filenames with spaces must be quoted:</P>
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49
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50 <PRE>
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51 "Dir\Program files\*"
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52 Dir\"Program files"\*
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53 </PRE>
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54
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55 <P>Switch options can be combined to save command line length. However, some
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56 switch options take optional string arguments and therefore, must be the
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57 last option in a combined argument token string because 7-Zip accepts the
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58 rest of the argument token as the optional argument.</P>
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59
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60 <P>7-Zip uses wild name matching similar to Windows 95:</P>
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61 <UL>
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62 <LI><B>'*'</B> means a sequence of arbitrary characters.</LI>
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63 <LI><B>'?'</B> means any character.</LI>
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64 </UL>
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65
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66 <P><B>
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67 7-Zip doesn't uses the system wildcard parser. 7-Zip doesn't
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68 follow the archaic rule by which *.* means any file. 7-Zip treats
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69 *.* as matching the name of any file that has an extension. To process all files, you must
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70 use a * wildcard.</B></P>
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71
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72 <P>Examples:</P>
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73 <TABLE border = "0">
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74 <TR><TD>*.txt</TD><TD>means all files with an extension of ".txt"</TD></TR>
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75 <TR><TD>?a*</TD><TD>means all files with a second character of "a"</TD></TR>
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76 <TR><TD>*1*</TD><TD>means all names that contains character "1"</TD></TR>
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77 <TR><TD>*.*.*</TD><TD>means all names that contain two at least "." characters</TD></TR>
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78 </TABLE>
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79
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80
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81 <P>The default wildcard "*" will be used if there is no filename/wildcard in the
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82 command line.</P>
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83
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84 <P>Slash ('\') at the end of a path means a directory. Without a Slash ('\') at
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85 the end of the path, the path can refer either to a file or a directory.
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86
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87
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88 <H2><A name = "ListFile"></A>List file</H2>
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89
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90 <P>You can supply one or more filenames or wildcards for special list files
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91 (files containing lists of files). The filenames in such list file must be
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92 separated by new line symbol(s).</P>
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93
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94 <P>For list files, 7-Zip uses UTF-8 encoding by default. You can change encoding
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95 using <A href = "switches/charset.htm">-scs</A> switch.</P>
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96
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97 <P>Multiple list files are supported.</P>
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98
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99 <P>For example, if the file "listfile.txt" contains the following:</P>
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100
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101 <PRE>
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102 My programs\*.cpp
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103 Src\*.cpp
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104 </PRE>
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105 <P>then the command</P>
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106
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107 <PRE>
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108 7z a -tzip archive.zip @listfile.txt
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109 </PRE>
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110
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111 <P>adds to the archive "archive.zip" all "*.cpp" files from directories "My
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112 programs" and "Src".</P>
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113
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114 <H2><A name = "ListFile"></A>Short and Long File Names</H2>
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115
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116 <P>7-Zip supports short file names (like FILENA~1.TXT) in some cases.
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117 However, it's strongly recommended to use only the real (long) file names.</P>
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118
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119 </BODY>
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120 </HTML>
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