It has been committed to the trunk so anyone who is interested can install ruby 2 7 0 dev and check it out.
Ruby delete files matching pattern.
Require chilkat this example requires the chilkat api to have been previously unlocked.
A string contains a number followed by an x followed by a number if and only if it contains a digit followed by an x followed by a digit i e.
Using dir glob you can get a list of all the files that match a certain pattern.
Here are some examples.
Removing single file in ruby is simple and straightforward with file delete this method deletes the named files returning the number of names passed as arguments.
Pattern matching is the big new feature coming to ruby 2 7.
Ruby library for linux and mac os x.
All files in current directory dir glob all files containing spec in the name dir glob spec all ruby files dir glob rb this one line of code will recursively list all files in ruby starting from the current directory.
Remove files by pattern using glob glob os remove to remove files by matching pattern we need to get list of all files paths that matches the specified pattern using glob glob and then delete them one by one using os remove i e.
If it contains a substring matching the pattern 0 9 x 0 9.
Please bear in mind that none of these are finalized and the dev team is looking for feedback so if you have any you can let the committers know before the feature is actually out.
So you re looking to remove the files whose name matches the pattern 0 9 x 0 9 0 9 x 0 9 jpg.
Think about an email address with a ruby regex you can define what a valid email address looks like.
The following tutorial describe how to delete files and directories that you no longer need in your application.
In other words your program will be able to tell.
Ruby delete files matching pattern.
It s so easy with ruby to get a list of files in the current directory that i hesitate to write this but hey this blog is for me and my bad memory so here s a quick note on how to use ruby to get a list of files of a certain type in a directory.
Ruby regular expressions ruby regex for short help you find specific patterns inside strings with the intent of extracting data for further processing two common use cases for regular expressions include validation parsing.
When one operand is a regular expression and the other is a string then the regular expression is used as a pattern to match against the string.
And match pattern matching may be achieved by using operator or match method.
