Public bug reported: Separating the first part of a list and the `alert` part with && (or any of the doubled control operators) will result the second character to be printed in the body of a message. Adding the asterisk after the [;&|] bracket expression fixes it:
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]*\s*alert$//'\'')"' ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: bash 5.0-6ubuntu1.1 ProcVersionSignature: Ubuntu 5.11.0-40.44~20.04.2-generic 5.11.22 Uname: Linux 5.11.0-40-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: XFCE Date: Fri Dec 3 16:56:21 2021 InstallationDate: Installed on 2021-05-17 (200 days ago) InstallationMedia: Xubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) SourcePackage: bash UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: bash (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal ** Description changed: Separating the first part of a list and the `alert` part with && (or any of the doubled control operators) will result the second character to be - printed in the body of the message. Adding the asterisk after the [;&|] - bracket expression fixes it. + printed in the body of a message. Adding the asterisk after the [;&|] + bracket expression fixes it: alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]*\s*alert$//'\'')"' ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: bash 5.0-6ubuntu1.1 ProcVersionSignature: Ubuntu 5.11.0-40.44~20.04.2-generic 5.11.22 Uname: Linux 5.11.0-40-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: XFCE Date: Fri Dec 3 16:56:21 2021 InstallationDate: Installed on 2021-05-17 (200 days ago) InstallationMedia: Xubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) SourcePackage: bash UpgradeStatus: No upgrade log present (probably fresh install) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1953151 Title: Doubled control operators before `alert` will have their second characted appear in the body of the message To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1953151/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs