Writing this file to a SSD will quickly use up valuable write-cycles of a SSD which are quite limited to start with.
My main HDD (C drive) contains over 5 Lakh files and if the dirlist.txt file was located on a physical HDD, it would put quite a bit of strain on the mechanics of the HDD as the file is opened, written, closed, and the File-allocation-table is updated for every file in C drive. Writing to a file in a sub-directory such as D:\Temp\DirList.txt is a better idea.Īlso note that, in my case, the D drive is actually a RAM drive. On some configurations, this may fail as Windows may prevent creation of files in the root directory by programs that are not being run with Administrator privileges. Note that I am writing to a file in the root directory of the D drive. A double greater-than symbol results in the output of the echo command getting appended to the dirlist.txt file. A single greater-than symbol will result in the dirlist.txt file getting over-written every time the echo command runs. Please note the use of double greater-than symbols. >d:\dirlist.txt redirects the output of the echo command to a file located in the root directory of D drive. can appear legitimately in file-names, and this can confuse the Import Data functionality in the Spreadsheet program. Please note that characters such as space, hash, dollar etc.
You can use anything you like, for ex: a #, or a $. I am using a triple-colon separator to create a reliable field separator for successful import into a Spreadsheet program. and are variables defined by forfiles command that contain the name of the matched file, and file-size in bytes. Comparing with False, ensures that the if command will succeed only for files and not folders.Įcho executes the echo command which simply sends the output of the string after it to the terminal. is a value generated by forfiles it is true if the matched item is a Directory (aka folder) or a file. The /i switch instructs if command to ignore text-case (uppercase, lowercase etc.) when matching. If /i executes the if command and matches a condition. The /c switch indicates that cmd must execute another program on the file / folder that has been passed to it by forfiles The /s switch executes it across sub-directories, and the /c switch indicates that forfiles must execute another program on the matched files and folders.Ĭmd /c launches a child-process of the Command Processor (that is used to create a Command Prompt window). forfiles /p c:\ /s /c "cmd /c if /i echo >d:\dirlist.txtįorfiles /s /c is a rarely used command that can execute an action on all files / folders that match a condition. Few quick tweaks made it work like a charm.Įnsure that you execute this program in Windows Command Prompt or PowerShell. I found this as a down-voted answer on StackOverflow, for the simple reason that the original answer did not work.
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