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What are the functions of file and directory in Elisp?
Date: 2016-09-23. Last updated: 2020-02-04. Here’s the most useful functions for file and directory. Basic functions on file and directory. ( defun make-backup () “Make a backup copy of current buffer’s file. Create a backup of current buffer’s file. The new file name is the old file name with trailing “~”, in the same dir.
How to check if a working directory exists?
Relative path information is interpreted as relative to the current working directory. Trailing spaces are removed from the end of the path parameter before checking whether the directory exists. The path parameter is not case-sensitive.
How to dim path as string in directory.exists?
‘ For File.Exists, Directory.Exists Imports System.IO Imports System.Collections Public Class RecursiveFileProcessor Public Overloads Shared Sub Main (ByVal args () As String) Dim path As String For Each path In args If File.Exists (path) Then ‘ This path is a file.
Is the buffer name the same as the file name?
Most of the time, the buffer name is the same as the nondirectory part of the buffer file name, but the buffer file name and the buffer name are distinct and can be set independently. See Visiting Files . This function returns the absolute file name of the file that buffer is visiting.
What’s the difference between buffer and nondirectory names?
The buffer file name is the name of the file that is visited in that buffer. When a buffer is not visiting a file, its buffer file name is nil. Most of the time, the buffer name is the same as the nondirectory part of the buffer file name, but the buffer file name and the buffer name are distinct and can be set independently.
When to return nil from buffer file name?
If buffer-file-name is the name of a symbolic link, then both numbers refer to the recursive target. This function returns the buffer visiting file filename. If there is no such buffer, it returns nil.