[英]Google Apps Script Gmail CSV Import to Sheet Error
I've pieced together this code from various google searches that will pull an e-mail's CSV attachment if the e-mail has a specific label.我已经从各种谷歌搜索中拼凑了这段代码,如果电子邮件具有特定标签,这些搜索将提取电子邮件的 CSV 附件。
function importCSVFromGmail() {
//gets first(latest) message with set label
var threads = GmailApp.getUserLabelByName('Dashboard Updates').getThreads(0,1);
var message = threads[0].getMessages()[0];
var attachment = message.getAttachments()[0];
// Is the attachment a CSV file
if (attachment.getContentType() === "text/csv") {
var ss = SpreadsheetApp.getActive();
var sh = ss.getSheetByName("Monthly_Detail_Instantis");
//parses content of csv to array
var dataString = attachment.getDataAsString();
var escapedString = dataString.replace(/(?=["'])(?:"[^"\\]*(?:\\[\s\S][^"\\]*)*"|'[^'\\]\r\n(?:\\[\s\S][^'\\]\r\n)*')/g, '\\r\\n');
var csvData = Utilities.parseCsv(escapedString);
// Remember to clear the content of the sheet before importing new data
sh.clearContents().clearFormats();
//pastes array to sheet
sh.getRange(1, 1, csvData.length, csvData[0].length).setValues(csvData);
}
//marks the Gmail message as read and unstars it (Filter sets a star)
message.markRead();
message.unstar();
}
The script runs fine, however I am running into issues with cells that had values with commas or quotes.该脚本运行良好,但是我遇到了带有逗号或引号值的单元格的问题。 For example, if a cell has the following:
例如,如果一个单元格具有以下内容:
1,000,000
or或者
Google "Apps" Script
It will return to following, respectively.它将分别返回以下。
\r\n
\r\n\r\n\r\n
I'm certain it has to do with the Regex used, however I am not certain how to adjust for the above.我确定它与使用的正则表达式有关,但我不确定如何针对上述情况进行调整。 Any help with this would be greatly appreciated.
对此的任何帮助将不胜感激。
I was able to use the original code (used in question) and replace the escaping and Utilities.parseCsv with code from this link.我能够使用原始代码(有问题使用)并将转义和 Utilities.parseCsv 替换为此链接中的代码。 This will properly import CSVs even if cells include quotes and commas:https://productforums.google.com/forum/#!topic/docs/nhXjrl8JIek
即使单元格包含引号和逗号,这也会正确导入 CSV:https ://productforums.google.com/forum/#!topic/docs/nhXjrl8JIek
Here is my final code:这是我的最终代码:
function importCSVFromGmail() {
//gets first(latest) message with set label
var threads = GmailApp.getUserLabelByName('Dashboard Updates').getThreads(0,1);
var message = threads[0].getMessages()[0];
var attachment = message.getAttachments()[0];
// Is the attachment a CSV file
if (attachment.getContentType() === "text/csv") {
var ss = SpreadsheetApp.getActive();
var sh = ss.getSheetByName("Monthly_Detail_Instantis");
//parses content of csv to array
var dataString = attachment.getDataAsString();
var csvData = CSVToArray(dataString);
// Remember to clear the content of the sheet before importing new data
sh.clearContents().clearFormats();
//pastes array to sheet
var lastRowValue = sh.getLastRow();
for (var i = 0; i < csvData.length; i++) {
sh.getRange(i+lastRowValue+1, 1, 1, csvData[i].length).setValues(new Array(csvData[i]));
}
}
//marks the Gmail message as read and unstars it (Filter sets a star)
message.markRead();
message.unstar();
}
//The code formats the code so it can be entered into the Google Script
function CSVToArray( strData, strDelimiter ){
// Check to see if the delimiter is defined. If not,
// then default to comma.
strDelimiter = (strDelimiter || ",");
// Create a regular expression to parse the CSV values.
var objPattern = new RegExp(
(
// Delimiters.
"(\\" + strDelimiter + "|\\r?\\n|\\r|^)" +
// Quoted fields.
"(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" +
// Standard fields.
"([^\"\\" + strDelimiter + "\\r\\n]*))"
),
"gi"
);
// Create an array to hold our data. Give the array
// a default empty first row.
var arrData = [[]];
// Create an array to hold our individual pattern
// matching groups.
var arrMatches = null;
// Keep looping over the regular expression matches
// until we can no longer find a match.
while (arrMatches = objPattern.exec( strData )){
// Get the delimiter that was found.
var strMatchedDelimiter = arrMatches[ 1 ];
// Check to see if the given delimiter has a length
// (is not the start of string) and if it matches
// field delimiter. If id does not, then we know
// that this delimiter is a row delimiter.
if (
strMatchedDelimiter.length &&
(strMatchedDelimiter != strDelimiter)
){
// Since we have reached a new row of data,
// add an empty row to our data array.
arrData.push( [] );
}
// Now that we have our delimiter out of the way,
// let's check to see which kind of value we
// captured (quoted or unquoted).
if (arrMatches[ 2 ]){
// We found a quoted value. When we capture
// this value, unescape any double quotes.
var strMatchedValue = arrMatches[ 2 ].replace(
new RegExp( "\"\"", "g" ),
"\""
);
} else {
// We found a non-quoted value.
var strMatchedValue = arrMatches[ 3 ];
}
// Now that we have our value string, let's add
// it to the data array.
arrData[ arrData.length - 1 ].push( strMatchedValue );
}
// Return the parsed data.
return( arrData );
}
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