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<H1><A NAME="SECTION00330000000000000000"></A>
<A NAME="363"></A>
<BR>
2.3 Controlling SCRAM Versions
</H1>
The version of <SMALL>SCRAM</SMALL>&nbsp;used can be easily changed by using <SMALL>SCRAM</SMALL>&nbsp;
itself. The current version will be displayed by typing the command

<P>
<TT>scram version</TT>

<P>
which will return a string with a format like <TT>V0_XX_X</TT>,
where the <TT>X</TT>'s are digits representing the major and minor
release numbers.  To switch to a different version, say V0_19_4, the
command would be

<P>
<TT>scram version V0_19_4</TT>.

<P>
If the specified version already exists in the central
installation directory, it will be used. Otherwise, <SMALL>SCRAM</SMALL>&nbsp;will
attempt to download the requested version from the CVS repository.

<P>
Running the <TT>install_scram</TT> script of a specific version
will make that version the default. This version can be overridden by
setting an environment variable <TT>SCRAM_HOME</TT> to point to the
top-level directory of the required version:

<P>
e.g. <TT>export SCRAM_HOME=/home/sashby/SCRAM/V0_19_4</TT>

<P>
will force <SMALL>SCRAM</SMALL>&nbsp;to use version V0_19_4 throughout the current
session.

<P>
<SMALL>SCRAM</SMALL>&nbsp;can be made to automatically select the correct version to
use for a given project area, overridding any other version selection
mechanism. To turn this feature on, simply create the file
<TT>scram_version</TT> in your project development/release
<A NAME="1822"></A>
configuration directory. The file should contain the required <SMALL>SCRAM</SMALL>&nbsp;
version tag. Any <SMALL>SCRAM</SMALL>&nbsp;command issued in that area is then directed
to the correct version if it is installed. If the required version is
not installed then a warning is issued and execution of the command
continues using the current (default) version.

<P>
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Revision:	1.2
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66
67	<H1><A NAME="SECTION00330000000000000000"></A>
68	<A NAME="363"></A>
69	<BR>
70	2.3 Controlling SCRAM Versions
71	</H1>
72	The version of <SMALL>SCRAM</SMALL> used can be easily changed by using <SMALL>SCRAM</SMALL>
73	itself. The current version will be displayed by typing the command
74
75	<P>
76	<TT>scram version</TT>
77
78	<P>
79	which will return a string with a format like <TT>V0_XX_X</TT>,
80	where the <TT>X</TT>'s are digits representing the major and minor
81	release numbers. To switch to a different version, say V0_19_4, the
82	command would be
83
84	<P>
85	<TT>scram version V0_19_4</TT>.
86
87	<P>
88	If the specified version already exists in the central
89	installation directory, it will be used. Otherwise, <SMALL>SCRAM</SMALL> will
90	attempt to download the requested version from the CVS repository.
91
92	<P>
93	Running the <TT>install_scram</TT> script of a specific version
94	will make that version the default. This version can be overridden by
95	setting an environment variable <TT>SCRAM_HOME</TT> to point to the
96	top-level directory of the required version:
97
98	<P>
99	e.g. <TT>export SCRAM_HOME=/home/sashby/SCRAM/V0_19_4</TT>
100
101	<P>
102	will force <SMALL>SCRAM</SMALL> to use version V0_19_4 throughout the current
103	session.
104
105	<P>
106	<SMALL>SCRAM</SMALL> can be made to automatically select the correct version to
107	use for a given project area, overridding any other version selection
108	mechanism. To turn this feature on, simply create the file
109	<TT>scram_version</TT> in your project development/release
110	<A NAME="1822"></A>
111	configuration directory. The file should contain the required <SMALL>SCRAM</SMALL>
112	version tag. Any <SMALL>SCRAM</SMALL> command issued in that area is then directed
113	to the correct version if it is installed. If the required version is
114	not installed then a warning is issued and execution of the command
115	continues using the current (default) version.
116
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