When you set an environment variable, the new value is written to a stack, so it is only in effect for packages loaded after setting the value. Using the reset command instead of set will cause the original value to be overwritten so the new value will be in effect even if you exit from a package (using the bye command)--this will only work for overwriting pre-existing variables, new variables will be discarded.
Tables of commands appears only in printed version.
IRAF Environment Variables and Default Values
CL parameters control the behavior of the CL itself and are managed with the following commands:
- To set a CL parameter, type: parameter=value
- To display the current value of a parameter, type: =parameter
- To display the values of all CL parameters, type: lparam cl
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