Commands by ad3237662 (0)

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Print a row of 50 hyphens

list files recursively by size

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

run a command from within vi without exiting
":! ls -l " results in listing the files in the current directory. pressing "enter" will get you back into vi.

Simplest way to get size (in bytes) of a file

sort lines by length

Compare two directory trees.

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

check the status of 'dd' in progress

Scan for nearby Bluetooth devices.
Scans local area for visible Bluetooth devices. Use 'hcitool inq' to discover the type of device it is. And use -i hciX option to specify the local Bluetooth device to use.

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