Robot
/
has
mirror of https://github.com/kdabir/has.git
2
0
Fork 0
Code Releases Wiki Activity

update usage in scripts

This commit is contained in:
Kunal Dabir 2019-07-13 14:11:04 +05:30 committed by GitHub
parent e8028b18ad
commit 754a4e444c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
README.md
View File

@ -7,9 +7,9 @@
[![demo](demo.svg)](demo.svg)
## How ?
## Quick Start
[Install](#installing) the `has` script. There is no dependency apart from `bash` itself.
Just [Install](#installing) the `has` script, there is no dependency apart from `bash` itself. For the command line, just pass the list of commands you want to check as arguments to `has`, for example:
```console
$ has node npm java git gradle
@ -20,7 +20,7 @@ $ has node npm java git gradle
✔ gradle 4.0.1
```
If everything is good `has` exits with status code `0`. The status code reflects number of commands **not found** on your path.
If everything is good `has` exits with status code `0`. The exit status code reflects number of commands **not found** on your path.
```console
$ has node go javac
@ -36,7 +36,20 @@ $ echo $?
1
```
## Installing
## Use `has` in scripts
`has` can be used in shell scripts to check presence of tool in very readable way
```bash
if has node
then echo you have what it takes 🎉
fi
```
**Pro Tip**: the `has` in above command can be replaced with the entire curl command for to ensure portability of script → `if curl -sL https://git.io/_has | bash -s node then ...`
## Installing 🚀
`has` is a single bash script that does it all. Just [download](https://raw.githubusercontent.com/kdabir/has/master/has) the script and make it available on your `$PATH`. However, to make it even simpler, just follow *one* of these methods.