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Cropping a video file in ffmpeg

Batch rename extension of all files in a folder, in the example from .txt to .md
Batch rename extension of all files in a folder, in the example from .txt to .md

send DD a signal to print its progress
every 1sec sends DD the USR1 signal which causes DD to print its progress.

Create QR codes from a URL.
like 7300, but doesn't clutter your working directory with old qr.*.png files. This will get the QR barcode, and send it right into ImageMagick's 'display' tool. Usage is the same as 7300; just call this function followed by the URL: $ qrurl http://xkcd.com

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

translate what is in the clipboard in english and write it to the terminal
Uses google api to translate, you can modify the language in which translate modifying the parameter "langpair=|en", the format is language input|language output.

pretend to be busy in office to enjoy a cup of coffee
Create a progress dialog with custom title and text using zenity.

git remove files which have been deleted
It deletes all removed files, updates what was modified, and adds new files.

Show apps that use internet connection at the moment. (Multi-Language)

Install a basic FreeBSD system
Install a basic FreeBSD system on a distant server. I use this to install FreeBSD on servers that can only boot a Linux rescue system. This sytem loads on ram when booted, so it is possible to install freely. You can even install on ZFS root !


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