Ruby Delete Files Matching Pattern

Using dir glob you can get a list of all the files that match a certain pattern.

Ruby delete files matching pattern. 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. 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. Pattern matching is the big new feature coming to ruby 2 7. To have a little fun with this i ll use irb the interactive ruby shell environment to show how to do this.

So you re looking to remove the files whose name matches the pattern 0 9 x 0 9 0 9 x 0 9 jpg. 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. It has been committed to the trunk so anyone who is interested can install ruby 2 7 0 dev and check it out. 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.

Here are some examples. And match pattern matching may be achieved by using operator or match method. In other words your program will be able to tell. 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.

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. Require chilkat this example requires the chilkat api to have been previously unlocked. The deletematching method deletes all files in the current remote directory matching a wildcarded filename. Ruby delete files matching pattern.

Think about an email address with a ruby regex you can define what a valid email address looks like. Ruby library for linux and mac os x. Operator is ruby s basic pattern matching operator. 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.