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Write a system environment variable. Note that this only modifies environment variables in the current process and any child processes initiated using the commands Shell or ShellOld.
| Number | Type | Compulsory | Default | Description |
|---|---|---|---|---|
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1 |
string |
Yes |
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Definition |
Definition. Must be of form name=value .
Return type: real
The function returns 1 on success or 0 on failure. Failure can occur if the argument is of the wrong format.
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