Articles tagged bash

• 10.1.2021 bash, linux

  OpenNIC DNS updater script

  Thoroughly tested and in daily use on Archlinux & Debian stable. This version requires name resolution to be already working when executed. OpenNIC’s geoip sorting is known to be unreliable …
• 12.9.2020 27.5.2018 shell, bash

  Shell Scripting For Speed

  Inspired by a forum threadChoose which shell your scripts use, that’s the “#/bin/*sh” at the top:Once you made that choice, it should influence your coding quite …
• 1.9.2019 archlinux, bash

  Pacman and Optional Dependencies

  Archlinux packages list optional dependencies: “An array of packages that are not needed for the software to function, but provide additional features.” But there’s no special treatment built in …
• 25.2.2019 linux, bash

  Using GNU bash? Forget date!

  Since Version 4.2.0 GNU bash can print times in strftime format with printf.OK, the external date command can do a lot that bash’s builtin cannot do …
• 27.2.2018 linux, bash

  Load bash builtin from file

  A few years ago I noticed that sleep is not built into bash and instead calls an external command each time.I like to make my scripts responsive and unobtrusive …
• 18.2.2018 bash

  Bash: Test if a string is a web link

  I sometimes need this in my scripts: if a string starts with either http:// or https://, it must be a web link. How can I test for that in a …