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In this case I'm just grabbing the next level of subdirectories (and same level regular files) with the --max-depth=1 flag. leaving out that flag will just give you finer resolution. Note that you have to use the -h switch with both 'du' and with 'sort.'
sorts the contents of a file without the need for a second file to take the sorted output.
This was previously entered as `sort -g list.txt -o $_` but as others have pointed out the $_ references the previous command. so this would've worked had that been the second part of a command joined with && like:
cat list.txt && sort -g list.txt -o $_
The user below me Robin had the most correct command.
List all files in a directory in reverse order by modified timestamp. When piped through tail the user will see the most recent file name.
It's both silly, and infinitely useful. Especially useful in logfile directories where you want to know what file is being updated while troubleshooting.