content/commands/evalsha_ro.md
This is a read-only variant of the [EVALSHA]({{< relref "/commands/evalsha" >}}) command that cannot execute commands that modify data.
For more information about when to use this command vs [EVALSHA]({{< relref "/commands/evalsha" >}}), please refer to [Read-only scripts]({{< relref "develop/programmability#read-only-scripts" >}}).
For more information about [EVALSHA]({{< relref "/commands/evalsha" >}}) scripts please refer to [Introduction to Eval Scripts]({{< relref "/develop/programmability/eval-intro" >}}).
| Redis Software | Redis Cloud | <span style="min-width: 9em; display: table-cell">Notes</span> | |:----------------------|:-----------------|:------| | <span title="Supported">✅ Standard</span> <span title="Supported"><nobr>✅ Active-Active</nobr></span> | <span title="Supported">✅ Standard</span> <span title="Supported"><nobr>✅ Active-Active</nobr></span> | |
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The return value depends on the script that was executed.
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The return value depends on the script that was executed.
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