这是我为自己写的。它速度很快,允许在查找和替换中使用正则表达式,可以忽略文件后缀,并且可以显示在“试运行”中会发生什么以及防止覆盖现有文件。
如果你在 Mac 上,它可以使用 applescript 在 Finder 中挑选出当前文件夹作为目标文件夹。
umx_rename_file <- function(findStr = "Finder", replaceStr = NA, baseFolder = "Finder", test = TRUE, ignoreSuffix = TRUE, listPattern = NULL, overwrite = FALSE) {
umx_check(!is.na(replaceStr), "stop", "Please set a replaceStr to the replacement string you desire.")
# ==============================
# = 1. Set folder to search in =
# ==============================
if(baseFolder == "Finder"){
baseFolder = system(intern = TRUE, "osascript -e 'tell application \"Finder\" to get the POSIX path of (target of front window as alias)'")
message("Using front-most Finder window:", baseFolder)
} else if(baseFolder == "") {
baseFolder = paste(dirname(file.choose(new = FALSE)), "/", sep = "") ## choose a directory
message("Using selected folder:", baseFolder)
}
# =================================================
# = 2. Find files matching listPattern or findStr =
# =================================================
a = list.files(baseFolder, pattern = listPattern)
message("found ", length(a), " possible files")
changed = 0
for (fn in a) {
if(grepl(pattern = findStr, fn, perl= TRUE)){
if(ignoreSuffix){
# pull suffix and baseName (without suffix)
baseName = sub(pattern = "(.*)(\\..*)$", x = fn, replacement = "\\1")
suffix = sub(pattern = "(.*)(\\..*)$", x = fn, replacement = "\\2")
fnew = gsub(findStr, replacement = replaceStr, x = baseName, perl= TRUE) # replace all instances
fnew = paste0(fnew, suffix)
} else {
fnew = gsub(findStr, replacement = replaceStr, x = fn, perl= TRUE) # replace all instances
}
if(test){
message(fn, " would be changed to: ", omxQuotes(fnew))
} else {
if((!overwrite) & file.exists(paste(baseFolder, fnew, sep = ""))){
message("renaming ", fn, "to", fnew, "failed as already exists. To overwrite set T")
} else {
file.rename(paste0(baseFolder, fn), paste0(baseFolder, fnew))
changed = changed + 1;
}
}
}else{
if(test){
# message(paste("bad file",fn))
}
}
}
if(test & changed==0){
message("set test = FALSE to actually change files.")
} else {
umx_msg(changed)
}
}