Ruby Delete Files Matching Pattern

Ruby library for linux and mac os x.

Ruby delete files matching pattern.

Here are some examples. Require chilkat this example requires the chilkat api to have been previously unlocked. Operator is ruby s basic pattern matching operator. Think about an email address with a ruby regex you can define what a valid email address looks like.

Pattern matching is the big new feature coming to ruby 2 7. 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. In other words your program will be able to tell. 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.

If it contains a substring matching the pattern 0 9 x 0 9. To have a little fun with this i ll use irb the interactive ruby shell environment to show how to do this. And match pattern matching may be achieved by using operator or match method. 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.

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. 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. 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. The following tutorial describe how to delete files and directories that you no longer need in your application.

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. The deletematching method deletes all files in the current remote directory matching a wildcarded filename. Ruby delete files matching pattern. So you re looking to remove the files whose name matches the pattern 0 9 x 0 9 0 9 x 0 9 jpg.