Claptrap is a tool that allows you to parse complex command line arguments in shell scripts using a declarative specification.
Features:
Claptrap brings the full power of Clap command line parsing to shell scripts. Command line interface specifications can
be declared in toml, yaml or json and used as standalone files or embedded directly in scripts.
Claptrap Supports bash, zsh, fish and PowerShell scripts and can run on Linux, BSD, macOS, and Windows. Claptrap
can also automatically generate shell completions, man pages, markdown documentation and template scripts.
See the [documentation](https://claptrap.sh) for more details.
Example:
#!/usr/bin/env bash
set -euo pipefail
eval "$(claptrap --spec - -- "$@" <<'SPEC'
name = "hello"
[args]
name = { short = 'n', long = "name", default-value = "world" }
SPEC
)"
echo "hello, ${claptrap_name}!"
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap is available for CentOS 7.6+, and Red Hat Enterprise Linux 7.6+, from the Extra Packages for Enterprise Linux (EPEL) repository. The EPEL repository can be added to your system with the following command:
sudo yum install epel-release
Snap can now be installed as follows:
sudo yum install snapd
Once installed, the systemd unit that manages the main snap communication socket needs to be enabled:
sudo systemctl enable --now snapd.socket
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap:
sudo ln -s /var/lib/snapd/snap /snap
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install claptrap, simply use the following command:
sudo snap install claptrap
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.