英文:
Detect a file with two arbitrary characters along a file path and move it to another file path in R
问题
我想要使用 file.copy() 在R中沿路径复制文件并将其移动到另一个位置。
例如，文件位于这里：
C:/Folder1/Folder2/Some_file_10.xlsx
我想将它移动到这里：
C:/Folder1/AnotherFolder/Some_file_10.xlsx
文件名是 Some_file_10.xlsx。文件名中的 10 是任意的，当运行新代码时会更改，但始终是两个数字。我应该如何使用 file.copy()、paste() 和某种类型的字符匹配包来同时检测 Some_file_10 并以相同的名称移动它，就像这样：
file.copy(from = paste0("C:/Folder1/Folder2/Some_file_",
function(),
".xlsx"),
to = paste0("C:/Folder1/AnotherFolder/Some_file_",
function(),
".xlsx"))
另外需要注意的是：在这个路径上不会有其他以 Some_file_ 开头的文件。
英文:
I am looking to copy a file along a path and move it to another location via file.copy() in R.
Say, the file exists here:
C:/Folder1/Folder2/Some_file_10.xlsx
And I want to move it here:
C:/Folder1/AnotherFolder/Some_file_10.xlsx
The file name is Some_file_10.xlsx. The 10 in the file name is arbitrary and will change when new code is run, but it will always be two numeric digits. How can I use file.copy(), paste(), and something type of character matching package to both detect Some_file_10 and move it with the same name, like so:
file.copy(from = paste0("C:/Folder1/Folder2/Some_file_",
function(),
".xlsx"),
to = paste0("C:/Folder1/AnotherFolder/Some_file_",
function(),
".xlsx))
An additional note: There will be no other files with the same starting characters of Some_file_ along this path.
答案1
得分: 2
Use Sys.glob to find the file. For the to= argument we only need to specify the directory.
file.copy(from = Sys.glob("C:/Folder1/Folder2/Some_file_*.xlsx"),
to = "C:/Folder1/AnotherFolder")
英文:
Use Sys.glob to find the file. For the to= argument we only need to specify the directory.
file.copy(from = Sys.glob("C:/Folder1/Folder2/Some_file_*.xlsx"),
to = "C:/Folder1/AnotherFolder")
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