copy and move files from asm to file system

Connect to asmcmd as sysasm

[oracle@rac1 ~]$ asmcmd -p -a sysasm

ASMCMD [+DATA/RAC/CONTROLFILE] > ls

Current.260.798722863

Copy controlfile from asm to OS /tmp directory

ASMCMD [+DATA/RAC/CONTROLFILE] > cp Current.260.798722863 /tmp
copying +DATA/RAC/CONTROLFILE/Current.260.798722863 -> /tmp/Current.260.798722863

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You can use full path

ASMCMD [] cp +DATA/RAC/CONTROLFILE/Current.260.798722863 /tmp

copying +DATA/RAC/CONTROLFILE/Current.260.798722863 -> /tmp/Current.260.798722863