That last e-mail encoding looks borked on my mailing list reader (the terminal), so I am sending the PKGBUILD again. # Maintainer: Jamil SN <jamilbio20@gmail.com> pkgname='datediff.sh' pkgbase='shellDatediff' pkgver=0.23.4 pkgrel=1 #epoch= pkgdesc='Calculate time differences with Ksh, Bash, and Zsh builtins. Check moon phases, Easter dates and next Friday 13th.' url='https://github.com/mountaineerbr/shellDatediff' arch=('any') license=('GPL') depends=('bash') optdepends=(     'date: convert input to iso-8601'     'bc: fractional time units (bash)' ) provides=('datediff.sh') #conflicts=('datediff.sh') source=("https://github.com/mountaineerbr/${pkgbase}/releases/download/v${pkgver}/${pkgbase}.tar.zst") md5sums=('949f88594bba40f7a62ff65e6dda7cf8') prepare() {     cd "${pkgbase}-${pkgver}"     #check defaults interpreter     if command -v ksh     then     return 0     elif command -v bash     then     _sh=bash     elif command -v zsh     then     _sh=zsh     else     return 0     fi     sed -i -e "1s/ksh/${_sh}/" "${pkgname}" } package() {     cd "${pkgbase}-${pkgver}"     #install -Dm644 "${pkgname}.1" "${pkgdir}/usr/local/man/man1/${pkgname}.1"     install -Dm755 "${pkgname}" "${pkgdir}/usr/bin/${pkgname}" }