| 1,12 → 1,12 |
|---|
| !read tabletheme |
| <h4>Definition and substitution of variables</h4> |
| |
| Wims variables has only one type: they are all string variables. Numerical |
| evaluation can be done on variables via the variable command |
| Wims variables have only one type: they are all string variables. Numerical |
| evaluation can be done on variables via the variable command |
| $(ref1)cmdlist_eval_&+cmd_choose=all$(ref2)cmdlist_eval_">!eval</a>. |
| <p> |
| A variable may be defined or modified in a variable processing file, or by |
| the commands |
| the commands |
| $(ref1)cmdlist_let_&+cmd_choose=all$(ref2)cmdlist_let_">!let</a> and |
| $(ref1)cmdlist_default_&+cmd_choose=all$(ref2)cmdlist_default_">!default</a>. |
| </p><p> |
| 63,7 → 63,7 |
|---|
| then the string<pre> |
| $$(a$$[$$i-1])*x+$$(a$$[$$i-2])</pre>will become<pre> |
| pi*x+3</pre>after substitution. |
| </li><li>If the value of a variable being substituted contains the character |
| </li><li>If the value of a variable being substituted contains the character |
| $emph$$$emphend, this value will again be substituted, until no more |
| substitution is needed. The server has a built-in limit of nested |
| substitutions; infinite nested substitions will violate this limit and |
| 103,7 → 103,7 |
|---|
| of the current module (with respect to the public home directory of the |
| server). This value is usually $emph $$module_dir=module/$$module $emphend |
| (but may vary with the config of the installation). |
| </li><li>Variable names starting with $emph module_$emphend will have special |
| </li><li>Variable names starting with $emph module_$emphend will have special |
| meanings: they are used to hold variables defined in the module's INDEX |
| file. Currently implemented variables: |
| |
| 129,7 → 129,7 |
|---|
| $table_tr<td>$emph module_data$emphend</td><td>address of datamodule</td></tr> |
| |
| </table> |
| Also, variables $emph module_has_intro$emphend, |
| Also, variables $emph module_has_intro$emphend, |
| $emph module_has_help$emphend and |
| $emph module_has_about$emphend |
| have value "yes" if the module's directory contains the respective |
| 136,7 → 136,7 |
|---|
| .phtml file. These variables are used in the command <span class="tt">!homeref</span>. |
| </li><li>Certain environment variables setup by httpd are readable by wims |
| modules under names starting with $emph httpd_$emphend. For example, the |
| environment variable $emph REMOTE_HOST$emphend becomes |
| environment variable $emph REMOTE_HOST$emphend becomes |
| $emph httpd_REMOTE_HOST$emphend under wims. <br/> |
| Please refer to httpd protocol specifications for details of such variables. |
| </li><li>All variable names starting with $emph ins_$emphend, $emph |