There are quite a few ways to open a text file with ruby and then process its contents but this example probably shows the most concise way to do it.
Ruby read file into string.
Download an html page using ruby.
This method wraps a string you provide or an empty default string in a csv object which is passed to the provided block.
Basic data structures in ruby scalar array hash reading csv file in ruby.
Iterate over characters of a string in ruby.
Csv ruby 2 6 1.
File gettysburgaddress txt file readlines file each do line puts line end.
Easy to access a file randomly.
Open file and read content in ruby.
Here s a ruby read file example program that shows how to read a file as one string.
A readlines method that reads an entire file into an array.
You can use the block to append csv rows to the string and when the block exits the final string will be returned.
Pretty printing complex data structures in ruby like data dumper in perl.
Read write files in ruby.
The 14 most important.
Analyze apache log file count localhost in ruby.
Here s a ruby read file example program that shows how to read a file as one string.
You just have to pass a file name in to the get file as string method and this ruby method will read in all the records from the file and return the contents of the file as a string.
A this process of converting an object into a string is called serialization.
Note that a passed string is modified by this method.
Def get file as string filename data f file open filename r f each line do line data line end return data.
You just have to pass a file name in to the get file as string method and this.
Write a string to a file in.
Call dup before passing if you need a new string.
That s the easiest way to write to a file in ruby in just one line of code one more thing if you want to write an array to a file you ll have to convert it into a string first.