fmod: nodejs的文件修改器
fmod: nodejs的文件修改器
Node.js 文件系统
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详细介绍
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DISCLAIMER
This package was in version 0.0.1 under fmod
- shortcut for file modifier name and has changed to replace in next version. It turns out that FMOD is a registered trademark
Overview
fmod
is node. file modifier.
How it works?
fmod
Creates read stream to read from the target file in chunks, do the replacement in new file holding the updated chunk using write stream. Return array of objects contains the final results in callback function.
Original file won't be modified instead fmod
will create new file which have new data and delete the old one.
Getting Started
clone the repo:
git clone git@github.com:jimmy02020/fmod.git
cd fmod
Using npm:
$ npm install fmod
Syntax
fmod(path, objects[], callback)
path
String.
objects[]
array of objects. Each object must have two properties regex
for RegExp/String to matching and replace
the string that will replaced.
The callback gets two arguments (err, report)
.
Using fmod
const fmod = require('fmod')
// let's create some phrases to replace it in our file.
const phrase1 = {
// regex
regex:/old/ig,
// replace
replace:'new'
}
// and we have to replace more.
const phrase1 = {
// regex
regex:'second',
// replace
replace:'third'
}
fmod('/path1/path2/fileName', [phrase1, phrase1], (err, report) => {
//
[
{
isChanged: true,
regex:/old/ig,
replace:'new'
},
{
isChanged: false, // not found so it wasn't changed
regex:'second',
replace:'third'
},
]
//
});
Or you can check specific phrase result.
fmod('/path1/path2/fileName', [ph0, ph1, p2, ph3], (err, report) => {
if(report[2].isChanged){
console.log('p2 was found and changed');
} else {
console.log('not found');
}
});
Tests
$ npm test
License
This project is licensed under the MIT License
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