Dir switch to parent directory in ruby script

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August undefined, 2024

WebNov 15, 2012 · If data/is in the parent directory of your current Ruby file, go up twice: wb = Spreadsheet.open File.expand_path("../../data/zipcode_range.xls", __FILE__) The first ../always neutralizes the __FILE__when using File.expand_paththis way. If you are not sure, make a debugging output of the file path that was generated: WebObjects of class Dir are directory streams representing directories in the underlying file system. They provide a variety of ways to list directories and their contents. See also File. The directory used in these examples contains the two regular files ( config.h and main.rb ), the parent directory ( .. ), and the directory itself (. ). What’s Here

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WebI don't recommend this approach, because it means the script will be executed even if you enter that directory for some reason that's unrelated to working on the project. I suggest having a specific function that changes to the project directory and sources the settings script. myproj () { cd /some/directory && . ./projectSettings.bash } WebYou can try cd /usr/bin or system ('cd /usr/bin') in your ruby code, but this will only change current directory of new shell (which is child process of ruby which is child of the shell), but this is pointless becouse I thing that you can't change the directory of parent process in *inx system. – jcubic Aug 4, 2010 at 22:27 how do cars get transported

Get the parent directory of a given file [duplicate]

WebMar 19, 2024 · Dir.pwd is equivalent to pwd -P. exec ('pwd -L') will get the equivalent of pwd in the terminal (pwd is normally a bash builtin, and doesn't resolve symbolic links). – Barry Kelly Jan 26, 2014 at 3:27 1 please take also a look to the often forgotten Pathname class: ruby-doc.org/stdlib-2.1.1/libdoc/pathname/rdoc/Pathname.html – awenkhh WebApr 16, 2024 · # to the directory where the script itself is located. # Note 2: you don't need to load any library to get access to Dir.pwd Sign up for free to join this conversation on GitHub . WebDec 19, 2011 · It is an expected behavior. The script is run in a subshell, and cannot change the parent shell working directory. Its effects are lost when it finishes. To change the current shell's directory permanently you should use the source command, also aliased simply as ., which runs a script in the current shell environment instead of a sub shell. how do cars die

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WebJun 18, 2009 · Since the functions run in the current process, they can change the directory. For instance, given this ruby script (named temp.rb): #!/usr/bin/ruby print "/tmp"; You could write this BASH function (in, say, you ~/.profile ): function gotmp { cd $ (~/bin/temp.rb) } And then you could say gotmp at the commandline and have the … WebDir. Objects of class Dir are directory streams representing directories in the underlying file system. They provide a variety of ways to list directories and their contents. See … how much is dominus astraWebJun 17, 2012 · 3 Answers Sorted by: 66 dirname = File.basename (Dir.getwd) File.basename () returns the base name even when its argument is the path of a directory. To get absolute path, Dir.pwd seems to do the trick. Share Follow answered Jun 17, 2012 at 19:08 Fahim Parkar 30.6k 43 159 276 This actually returns name of folder from which is … how do cars help us in our daily lives

"WebMar 16, 2024 · get the directory of the file in a very general way (when file is known with a relative or absolute pathname, or no path at all): the_dir="$(cd -P -- "$(dirname -- "${filename}")" && pwd)" So to get the parent of that directory: " - Dir switch to parent directory in ruby script

Dir switch to parent directory in ruby script

Execute bash scripts on entering a directory

WebOct 4, 2013 · Dir.chdir can also take a block, which is useful if you want to run only a section of code within a specific location. Within the block, you're in the location specified; once the block closes, everything is back as it was before. – threedaymonk Oct 4, 2013 at 12:49 WebObjects of class Dir are directory streams representing directories in the underlying file system. They provide a variety of ways to list directories and their contents. See also …

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WebJul 30, 2013 · To change the working directory of the parent process use the Ruby command Dir.chdir ( [string]): Dir.chdir ("/") Relevant information can be found in this post: "exec the cd command in a ruby script" Share Improve this answer Follow edited May 23, 2024 at 10:31 Community Bot 1 1 answered Jul 29, 2013 at 23:57 Jesse Fisher 785 5 9 … WebNov 24, 2024 · First, let’s start by using the pushd command to jump to any directory by using its absolute or relative path, just like the cd command: $ pushd And, if we need to visit the last directory that we visited using the pushd command, then we can use the popd command without any argument: $ popd

WebJan 5, 2015 · If you’re in irb, your working directory will be—by default—the folder you started irb in. If you’re in a script, will be the location you’re calling the script from. chdir …

WebDec 19, 2024 · When we run this ruby code: IO.popen('cd ~/Desktop/workDir') It will create sub shell to run this cmd, and the working directory will changed in the sub shell,but the parent shell. So, If I want to change the parentShell's working directory by ruby, how can I … Webdirenv is an extension for your shell. It augments existing shells with a new feature that can load and unload environment variables depending on the current directory. Use cases Load 12factor apps environment variables Create per-project isolated development environments Load secrets for deployment How it works

WebAug 16, 2012 · You can change the directory of your process with Dir.chdir (). You also don't need to put your commands into a variable before using them. I'd do something like this: system ("mkdir /usr/java") system ("cp /home/user/Downloads/file.txt /usr/java/") Dir.chdir ("/usr/java/")

WebThis will return true only if the file exists and is a directory. As an aside, a more idiomatic way to write the method would be to take advantage of the fact that Ruby automatically returns the result of the last expression inside the method. Thus, you could write it like this: def directory_exists? (directory) File.directory? (directory) end how do cars have wifiWebDec 6, 2024 · Find.find takes a string containing a path, and will pass the parent path along with the path of each file and sub-directory to an accompanying block. Some example code: require 'find' pdf_file_paths = [] Find.find ('path/to/search') do path pdf_file_paths << path if path =~ /.*\.pdf$/ end. That will recursively search a path, and store all ... how much is dominus alienus worthWebMar 9, 2024 · You would like to rename the file with the same folder name and preserve the extension. import os # Passing the path to your parent folders path = r'D:\bat4' # Getting a list of folders with date names folders = os.listdir (path) for folder in folders: files = os.listdir (r' {}\ {}'.format (path, folder)) # Accessing files inside each folder ... how much is domino\u0027s marbled cookie brownieWebSep 2, 2014 · The bundle command runs successfully but only for the parent folder. Changing directories via system commands does not properly switch the context for bundler, and runs for the parent folders gemfile twice. how do cars pop wheeliesWebDon't listen to them, Dir.chdir("dir") will probably do the wrong thing. What you almost always want is to limit change to a particular context, without affecting the rest of the program like this: #!/usr/bin/env ruby system "rails new my_app" Dir.chdir("my_app") … how do cars impact societyWebNov 18, 2009 · To get all files (strictly files only) recursively: Dir.glob ('path/**/*').select { e File.file? e } Or anything that's not a directory ( File.file? would reject non-regular files): Dir.glob ('path/**/*').reject { e File.directory? e } Alternative Solution Using Find#find over a pattern-based lookup method like Dir.glob is actually better. how much is dominus empyreus worth pet sim xWebApr 30, 2015 · require 'dir' require 'fileutils' Dir ['txts/**/*.txt'].each do path next if FileTest.directory? (path) next unless path =~ %r {txts/ ( [^/]+)/} FileUtils.cp (path, "# {$1}.txt") end I don't know if there will be any performance difference, but it might be worth trying. Share Improve this answer Follow edited Apr 30, 2015 at 3:13 how do cars perform