Guide on eliminating lines that start with a particular character

I need help figuring out how to remove all lines of code that start with #include. Here's an example:

#include 'utils/namespace.js'
#include 'utils/constants.js'
#include 'utils/helpers.js'
#include 'utils/json2.js'
#include 'utils/polifill.js'

If you have any suggestions, please let me know. Thank you!

Answer №1

I'm not entirely sure if this solution will be effective, but have you considered trying out code similar to this?

var replace = require('gulp-replace');

gulp.task('templates', function(){
  gulp.src(['file.txt'])
    .pipe(replace(/#include[^\n]*/g, ''))
    .pipe(gulp.dest('build/file.txt'));
});

Answer №2

Sure, using gulp-replace like Ipg suggested is a great approach for this task.

Alternatively, you can take a more "hands-on" approach by utilizing through2 like so:

var gulp = require("gulp");
var through = require("through2");

gulp.task("processFiles", function() {
  return gulp
    .src("src/data.txt")
    .pipe(through.obj(function(file, encoding, callback) {
      var updatedContent = file.contents.toString().replace(/#include[^\n]*/g, "");
      file.contents = new Buffer.from(updatedContent);
      callback(null, file);
    }))
    .pipe(gulp.dest("output"));
});

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