I have a path stored in a txt file in Qlikview 11, what is the right syntax to store that path in a variable?
txt file found in: C:\Projects\X\Shared-COntent\filepath.txt
Content of the txt file is a network path
Thank you!
You can load the txt file as a normal table file and then peek the loaded value. Something like this:
NetowrkPath:
LOAD
#1 as NetworkPath
FROM
[C:\Projects\X\Shared-COntent\filepath.txt] (txt, utf8, explicit labels, delimiter is '\t', msq)
;
let vNetworkPath = peek('NetworkPath'); // <-- this is the variable that will contain the network path
Drop Table NetowrkPath;
Related
LOAD CSV FROM "file:/C:/Users/abcd/Desktop/Neo4J/fileName.csv" AS row
WITH row
RETURN row
This is my code for importing this csv to my database
but it is giving me error as
Neo.ClientError.Statement.ExternalResourceFailed: Invalid URL
'C:/Users/abcd/Desktop/Neo4J/fileName.csv': unknown protocol: c
can anyone help me solve this
Local CSV files are accessible using file:/// URL.
file:/// URLs identify files on the filesystem of the database server
You need to add file as protocol before the local files address, as follows:
LOAD CSV FROM "file:///C:/Users/abcd/Desktop/Neo4J/fileName.csv" AS row
WITH row
RETURN row
NOTE:
You need to change neo4j.conf file for allowing CSV import from
file URLs.
Uncomment this line(remove #):
#dbms.security.allow_csv_import_from_file_urls=true
Comment this line(Add # in the start):
dbms.directories.import=import
Don't forget to restart Neo4j after these changes.
try below line, use some extra slashes
LOAD CSV FROM "file:///C:/Users/abcd/Desktop/Neo4J/fileName.csv" AS row
WITH row
RETURN row
This is a question about Nifi.
I made Nifi pipeline to convert flowfile with xml format to csv format.
Now, I would like to concatenate or union the converted csv flowfile to existing tables by filename (which stands for table name as well).
Simply put, my processor flow is following.
GetFile (from a particular directory) -> 2. Convert xml to csv -> 3.Update the flowfile with table name
-> 4. PutFile (to a different directory)
But, at the end of the flow, PutFile processor throws an error, saying "file with the same name already exists".
I have no ideas how flowfile can be added to existing csv table.
Any advice, tips, ideas are appreciated.
Thank you in advance.
there is no support to append file however you could use ExecuteGroovyScript to do it:
def ff=session.get()
if(!ff)return
ff.read().withStream{s->
String path = "./out_folder/${ff.filename}"
//sync on file path to avoid conflict on same file writing (hope)
synchronized(path){
new File( path ).append(s)
}
}
REL_SUCCESS << ff
if you need to work with text (reader) content rather then byte (stream) content
the following example shows how to exclude 1 header line from flow file if destination file already exists
def ff=session.get()
if(!ff)return
ff.read().withReader("UTF-8"){r->
String path = "./.data/${ff.filename}"
//sync on file path to avoid conflict on same file writing (hope)
synchronized(path){
def fout = new File( path )
if(fout.exists())r.readLine() //skip 1 line (header) only if out file already exists
fout.append(r) //append to the file the rest of reader content
}
}
REL_SUCCESS << ff
I run my .fsx file like
>fsi A.fsx
In this file I read csv with CsvProvider that has to have path to csv data.
type Data = CsvProvider<"my_data.txt", ";", Schema
I need to pass file name as command line argument and it is possible
>fsi A.fsx my_data.txt
I can read it like
let originalPath = fsi.CommandLineArgs.ElementAt(1)
Problem is, that file name used in CsvProvider constructor needs to be constant and command line argument is not. How I can initialize CsvProvider from command line argument?
The value inside the angle brackes <"my_data.txt"...> specifies an example format file and is checked at compile time, hence the need for it to be a constant string. Assuming your .fsx script merely wants to load a different CSV file of the same general format, you would use
let contents = Data.Load(originalPath)
How can you extract metadata for a batch of images? My first thought was to record a macro and then modify it to operate on a list of file names.
In that vein, I tried recording a macro doing something like this:
Ctrl-o # Open a file
12.dm3Enter # Select file to open
Ctrl-i # Open metadata in a new window
Ctrl-s # Save file
Info for 12.txtEnter# Name of file being saved
Ctrl-w# Close current window
Ctrl-w# Close current window
These steps work when I do them manually. This results in the following macro, which seems to be missing most of what I tried to record:
open("/path/to/file/12.dm3");
run("Show Info...");
run("Close");
run("Close");
Modifying a Jython script that is supposed to extract dimension metadata from an image:
from java.io import File
from loci.formats import ImageReader
from loci.formats import MetadataTools
import glob
# Create output file
outFile = open('./pixel_sizes.txt','w')
# Get list of DM3 files
filenames = glob.glob('*.dm3')
for filename in filenames:
# Open file
file = File('.', filename)
# parse file header
imageReader = ImageReader()
meta = MetadataTools.createOMEXMLMetadata()
imageReader.setMetadataStore(meta)
imageReader.setId(file.getAbsolutePath())
# get pixel size
pSizeX = meta.getPixelsPhysicalSizeX(0)
# close the image reader
imageReader.close()
outFile.write(filename + "\t" + str(pSizeX) + "\n")
# Close the output file
outFile.close()
(Gist).
You could use getImageInfo() instead of run("Show Info..."). This will create a string in the macro containing the run("Show Info...") output, but can then be modified as you like. See http://rsb.info.nih.gov/ij/developer/macro/functions.html#getImageInfo for more information.
I read an Excel 2003 file with a text editor to see some markup language.
When I open the file in Excel it displays incorrect characters. On inspection of the file I see that the encoding is Windows 1252 or some such. If I manually replace this with UTF-8, my file opens fine. Ok, so far so good, I can correct the thing manually.
Now the trick is that this file is generated automatically, that I need to process it automatically (no human interaction) with limited tools on my desktop (no perl or other scripting language).
Is there any simple way to open this XL file in VBA with the correct encoding (and ignore the encoding specified in the file)?
Note, Workbook.ReloadAs does not function for me, it bails out on error (and requires manual action as the file is already open).
Or is the only way to correct the file to go through some hoops? Either: text in, check line for encoding string, replace if required, write each line to new file...; or export to csv, then import from csv again with specific encoding, save as xls?
Any hints appreciated.
EDIT:
ADODB did not work for me (XL says user defined type, not defined).
I solved my problem with a workaround:
name2 = Replace(name, ".xls", ".txt")
Set wb = Workbooks.Open(name, True, True) ' open read-only
Set ws = wb.Worksheets(1)
ws.SaveAs FileName:=name2, FileFormat:=xlCSV
wb.Close False ' close workbook without saving changes
Set wb = Nothing ' free memory
Workbooks.OpenText FileName:=name2, _
Origin:=65001, _
DataType:=xlDelimited, _
Comma:=True
Well I think you can do it from another workbook. Add a reference to AcitiveX Data Objects, then add this sub:
Sub Encode(ByVal sPath$, Optional SetChar$ = "UTF-8")
Dim stream As ADODB.stream
Set stream = New ADODB.stream
With stream
.Open
.LoadFromFile sPath ' Loads a File
.Charset = SetChar ' sets stream encoding (UTF-8)
.SaveToFile sPath, adSaveCreateOverWrite
.Close
End With
Set stream = Nothing
Workbooks.Open sPath
End Sub
Then call this sub with the path to file with the off encoding.