A POSIX Compliant SemVer Parser in Pure Bash

example--parse-semver-with-bash.sh

#!/usr/bin/env bash

VERSION="${1#[vV]}"
VERSION_MAJOR="${VERSION%%.*}"
VERSION_MINOR_PATCH="${VERSION#*.}"
VERSION_MINOR="${VERSION_MINOR_PATCH%%.*}"
VERSION_PATCH_PRE_RELEASE="${VERSION_MINOR_PATCH#*.}"
VERSION_PATCH="${VERSION_PATCH_PRE_RELEASE%%[-+]*}"
VERSION_PRE_RELEASE=""

case "$VERSION" in
  *-*)
    VERSION_PRE_RELEASE="${VERSION#*-}"
    VERSION_PRE_RELEASE="${VERSION_PRE_RELEASE%%+*}"
    ;;
esac

echo "Version: ${VERSION}"
echo "Version [major]: ${VERSION_MAJOR}"
echo "Version [minor]: ${VERSION_MINOR}"
echo "Version [patch]: ${VERSION_PATCH}"
echo "Version [pre-release]: ${VERSION_PRE_RELEASE}"

@bitmvr Cool thanks a lot, I think that as much as SemVer is popular, we actually (if I am not mistaken) miss generally well available installed everywhere typ of tool to actually parse semver, to use in GitHub actions, and build scripts, etc. so your script is actually very handy :-)