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I'm not seeing any ? marks in my code. Are you referring to the instances of $'\t' ? In bash (and other shells, including recent versions of the POSIX sh specification) $'...' is t…

A variant: docker image ls -a | stdbuf -oL sed -r 's/\s{2,}/\t/g' | { head -n1; tail -n+2 | sort -hrk5 -t$'\t'; } | column -ts$'\t' I used docker since that's what I have installed…

You can use Ctrl+z to suspend the foreground process, bg to resume it in the background, and then wait to wait for it to complete. By default wait will wait for all jobs to finish …

You could install the Google Drive client and then run WinDirStat against the virtual drive letter that it creates: https://support.google.com/drive/answer/10838124

In Firefox you can go to about:profiles to easily open new windows using other profiles. I bookmark that page with a keyword for quick access. (Also see about:about for a list of o…

gf2 is worth looking at: https://github.com/nakst/gf

Something to watch out for with nl is that by default it doesn't number empty lines. e.g.: $ printf 'one\n\nthree\n' | nl 1 one 2 three Set -ba to enable numbering all lines. For t…

Your original command should work fine. find does not pass arguments through an intermediate shell, so there are no quoting concerns with regard to spaces in filenames, etc. And wi…

I did something similar using the 'at' daemon's 'now' time specification to "fork" off background tasks from a web request using the same .php file. It actually worked well for wha…

Another plus of DroidCam is that it supports streaming the video over USB so no WiFi is necessary.