CmdID / az / az dls / az dls fs
az dls fs join
Join files in a Data Lake Store account into one file. Azure CLI reference
3 options Its page in the Azure CLI reference
Options
--destination-pathThe destination path in the Data Lake Store account.--forceIndicates that, if the destination file already exists, it should be overwritten--source-pathsThe space-separated list of files in the Data Lake Store account to join.