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fast macOS dd with progress bar, umount and erase dst disk
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| #!/bin/bash -e | |
| src="${1?:No src/file specified}" | |
| dst="${2?:No dst/disk specified}" | |
| bs=1m | |
| diskutil unmountDisk "${dst}" | |
| diskutil zeroDisk short "${dst}" | |
| if [[ "${src}" == *.lz ]] | |
| then | |
| lzip -dcvv "${src}" | dd of="${dst}" bs=$bs | |
| elif [[ "${src}" == *.xz ]] | |
| then | |
| xz -dcvv "${src}" | dd of="${dst}" bs=$bs | |
| else | |
| dd if="${src}" bs=1m | pv "${src}" | dd of="${dst}" bs=$bs | |
| fi |
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use
/dev/rdskXXXfor destination