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There is an open source tool called bat
It is just a fork of cat with more features.
I have this alias in my bashrc:
alias cat='bat'
when I type in kubech I see this kind of output:
───────┬──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
│ STDIN
───────┼──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
1 │ NOTE:
2 │ - The command "kubech" is just a meta for other commands. So kubech does nothing by itself.
3 │ - Also short names like "kchc/kchn/kchu" are available.
4 │
5 │ VARS:
6 │ KUBECONFIG_SRC_DIR : Set directory with extra kubectl config files to read in kubech commands.
7 │ This allow to have multiple config files in addition to
8 │ the one at "$HOME/.kube/config".
9 │ Default: "/Users/hamzamasood/.kube/config.src.d"
10 │ KUBECONFIG_DEST_DIR : Set directory for temporary kubectl config files. The files
11 │ in this directory are auto-generated by kubech commands
12 │ and you don't need to interact with them or even change that var.
13 │ Default: "/Users/hamzamasood/.kube/config.dest.d"
14 │ KUBECH_NAMESPACE_CHECK : Method used to check if namespace exists before switching to it.
15 │ The default lists all namespaces which can be slow in large
16 │ clusters. After kubernetes 1.22+ all namespaces have a label
17 │ that can be used to speed this up. Set to "label" to enable this.
18 │ Available options: "list", "label".
19 │ Default: "list"
20 │
21 │ USAGE:
22 │ kubechc : List all contexts
23 │ kubechc <CONTEXT> : Switch to context <CONTEXT>
24 │ kubechn : List all namespaces
25 │ kubechn <NAMESPACE> : Switch to namespace <NAMESPACE>
26 │ kubechu : Unset the active context. This is just a safty net
27 │ to avoid applying config by mistake to the wrong cluster.
───────┴───────────────────────────────────────────────────────────────────────────────────
This is the output I expect:
NOTE:
- The command "kubech" is just a meta for other commands. So kubech does nothing by itself.
- Also short names like "kchc/kchn/kchu" are available.
VARS:
KUBECONFIG_SRC_DIR : Set directory with extra kubectl config files to read in kubech commands.
This allow to have multiple config files in addition to
the one at "$HOME/.kube/config".
Default: "/Users/hamzamasood/.kube/config.src.d"
KUBECONFIG_DEST_DIR : Set directory for temporary kubectl config files. The files
in this directory are auto-generated by kubech commands
and you don't need to interact with them or even change that var.
Default: "/Users/hamzamasood/.kube/config.dest.d"
KUBECH_NAMESPACE_CHECK : Method used to check if namespace exists before switching to it.
The default lists all namespaces which can be slow in large
clusters. After kubernetes 1.22+ all namespaces have a label
that can be used to speed this up. Set to "label" to enable this.
Available options: "list", "label".
Default: "list"
USAGE:
kubechc : List all contexts
kubechc <CONTEXT> : Switch to context <CONTEXT>
kubechn : List all namespaces
kubechn <NAMESPACE> : Switch to namespace <NAMESPACE>
kubechu : Unset the active context. This is just a safty net
to avoid applying config by mistake to the wrong cluster.
kubech seems to be using cat under the hood and is conflicting with my alias for bat.
I understand that this may be a niche usecase but the bat open source tool is popular enough for me to mention this.
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