r-Outlook附件保存脚本无法在Windows命令提示符下运行(在RStudio中运行良好)

Question

编写目标
将两封电子邮件中的附件文件(.xlsx(保存到网络共享。

问题
下面的R脚本在RStudio中运行良好，但在Windows命令提示符下运行时失败。

错误消息

<checkErrorInfo>80020009
不支持InterfaceSupportsErrorInfo
checkErrorInfo-2147352567
错误：发生异常
执行已停止

R代码

cat("n##########################################################################################",
"n", format(Sys.time(), "%a %m/%d/%Y %X"), ": Starting Daily Attachment Save Script...",
"n##########################################################################################")
cat("n", format(Sys.time(), "%a %m/%d/%Y %X"), ": Setting variables/constants/functions... ")
library("RDCOMClient")
library("lubridate")
TodaysDate  <- Sys.Date()
StartTime   <- Sys.time()
currentUser <- Sys.getenv("USERNAME")
tmpDir      <- Sys.getenv("TEMP")
report_run_date_main <- Sys.Date()
SendMail <- function(outFile,
ToEmail,
EmailSubject,
EmailBody,
AttachFile = TRUE,
CC = "[e-mail];"){
OutApp <- COMCreate("Outlook.Application")
outMail = OutApp$CreateItem(0)
outMail[["sentonbehalfofname"]] = "[e-mail]"
outMail[["To"]] = ToEmail
outMail[["CC"]] = CC
outMail[["subject"]] = EmailSubject
outMail[["HTMLBody"]] = paste0("<p>**** SYSTEM GENERATED EMAIL ****</p><br><p>", EmailBody, "</p>", sep = "")
if (AttachFile == TRUE) {
outMail[["Attachments"]]$Add(outFile)
}
outMail$Send()
outMail <- NULL
OutApp <- NULL
}
outlook_app <- COMCreate("Outlook.Application")
search <- outlook_app$AdvancedSearch(
"Inbox", paste0("(urn:schemas:httpmail:subject like 'EMAIL SUBJECT TO SEARCH%')")
)
results <- search$Results()
save_folder <- paste0(Sys.getenv("USERPROFILE"), "\Documents")
get_attachment_names <- function(email) {
number_attachments = email$Attachments()$Count()
if (number_attachments == 0) {
return("")
}
attachments <- purrr::map(
seq(number_attachments), 
function(x) email$Attachments(x)$FileName()
)
return(paste(attachments, sep = ", "))
}
msg1 <- ""
msg2 <- ""
cat("done.")
cat("n", format(Sys.time(), "%a %m/%d/%Y %X"), ": Saving attachemnts from daily emails... ") 
for (i in 1:results$Count()) {
# Error on next line, when run using command line
gmt_date <- results$Item(i)$ReceivedTime()
date_received <- as.POSIXct(gmt_date * (24 * 60 * 60), origin="1899-12-30", tz="GMT")
date_received_dt <- format(date_received, "%Y-%m-%d")
date_received_tm <- format(date_received, "%H:%M:%S %P")
date_received_hr <- format(date_received, "%H")
if(date_received >= Sys.Date()-1) {
if(date_received_dt==Sys.Date()-1){
if(date_received_hr>=16){
email <- results$Item(i)
attachment_file <- get_attachment_names(email)
email$Attachments(1)$SaveAsFile(paste0(save_folder, attachment_file))
msg1 <- paste(format(Sys.time(), "%a %m/%d/%Y %X"), 
"<br><br><b>Attachment name:</b>", attachment_file ,
"<br><b>Email received on:</b>", date_received, 
"<br><b>Subject:</b>", email$Subject(),
"<br><b>Save folder:</b>", save_folder)
}
} else{
email <- results$Item(i)
attachment_file <- get_attachment_names(email)
email$Attachments(1)$SaveAsFile(paste0(save_folder, attachment_file))
msg2 <- paste(format(Sys.time(), "%a %m/%d/%Y %X"), 
"<br><br><b>Attachment name:</b>", attachment_file ,
"<br><b>Email received on:</b>", date_received, 
"<br><b>Subject:</b>", email$Subject(),
"<br><b>Save folder:</b>", save_folder)
}
}
}
cat("done.")

cat("n", format(Sys.time(), "%a %m/%d/%Y %X"), ": Notifying users of attachment save status... ")
if((nchar(msg1)==0)){
SendMail(outFile = "",
ToEmail = "[e-mail]",
EmailSubject = paste("[Action Required] Daily Attachment Save Error", Sys.Date()),
EmailBody = paste("Helpful text 1 for troubleshooting"),
AttachFile = F, CC = "")
} else {
SendMail(outFile = "",
ToEmail = "[e-mail]",
EmailSubject = paste("Daily attachment saved", Sys.Date()),
EmailBody = paste(msg1),
AttachFile = F, CC = "")
}
if(nchar(msg2)==0){
SendMail(outFile = "",
SendMail(outFile = "",
ToEmail = "[e-mail]",
EmailSubject = paste("[Action Required] Daily Attachment Save Error", Sys.Date()),
EmailBody = paste("Helpful text 2 for troubleshooting"),
AttachFile = F, CC = "")
} else {
SendMail(outFile = "",
ToEmail = "[e-mail]",
EmailSubject = paste("Daily attachment saved", Sys.Date()),
EmailBody = paste(msg2),
AttachFile = F, CC = "")
}
cat("done.")
cat("n", format(Sys.time(), "%a %m/%d/%Y %X"), ": Garbage Collection... ")
rm(list=ls())
cat("done.")
cat("n########################################################################################",
"n", format(Sys.time(), "%a %m/%d/%Y %X"), ": Daily Attachment Save Script complete.",
"n########################################################################################")

R脚本执行命令

C:\Progra~1\R\R-3.4.4\bin\i386\Rscript.exe--不保存--不还原--详细C:\Attachments_save_Script.R>"C:\LOGS\L%日期：~4,4%%日期：~7,2%%日期：~10,2%%时间：~0.2%时间：~3,2%时间：~6.2%.log"2>"C:\LOGOS\E%日期：~-4,4%4%日期：~7.2%日期：~10.2%%日期：约0.2%时间：约3,2%%时间：约6,2%.log">

版本信息
Windows 10 Pro 64位(i7 vPro，带16 GB RAM(
R版本3.4.4(2018-03-15(--"值得信赖的人">
Microsoft Outlook 2013(15.0.5172.1000(MSO(15.0.572.1000(32位
RStudio 1.0.143

询问
是否有人在命令行遇到RDCOMClient库的此问题？有解决办法吗？非常感谢。

Answer 1

您的代码从不检查您是否真的有MailItem对象-您也可以有ReportItem和MeetingItem对象，它们不公开ReceivedTime属性。检查Class属性(由所有OOM对象公开(是否==43(OlObjectClass.olMail(