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{
"SUBSTR": {
"summary": "Get a substring of the string stored at a key",
"complexity": "O(N) where N is the length of the returned string. The complexity is ultimately determined by the returned length, but because creating a substring from an existing string is very cheap, it can be considered O(1) for small strings.",
"group": "string",
"since": "1.0.0",
"arity": 4,
"function": "getrangeCommand",
"deprecated_since": "2.0.0",
"replaced_by": "`GETRANGE`",
"doc_flags": [
"DEPRECATED"
],
"command_flags": [
"READONLY"
],
"acl_categories": [
"STRING"
],
"key_specs": [
{
"flags": [
"RO",
"ACCESS"
],
"begin_search": {
"index": {
"pos": 1
}
},
"find_keys": {
"range": {
"lastkey": 0,
"step": 1,
"limit": 0
}
}
}
],
"arguments": [
{
"name": "key",
"type": "key",
"key_spec_index": 0
},
{
"name": "start",
"type": "integer"
},
{
"name": "end",
"type": "integer"
}
]
}
}
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