I am getting an error when using the append_pdfs function

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Jack Brady
Jack Brady 2023-3-13
评论： Spencer 2023-11-10
I am simply trying to add two figuress to a single pdf. I can create a sepaprate pdf for each figure but when I try to add them both to one pdf I get the following error: Error using append_pdfs
Unterminated quote in @-file: figure2.pdf". This is quite frustrating as I have downloaded Ghostscript and export_fig from the matlab file exchange. I have also added these directories to my matlab path by clicking 'Set Path' and adding the corresponding folders. I have included my code below. Any help would be much appreciated.
% Create multiple figures
addpath('C:\Users\SCS Engineer\Downloads\github_repo');
figure(1);
plot(rand(1,10));
title('Figure 1');
print('figure1.pdf', '-dpdf')
figure(2);
plot(rand(1,10));
title('Figure 2');
print('figure2.pdf', '-dpdf')
% % Specify the filename for the PDF file
% filename = 'my_figures.pdf';
%
% % Create a PDF file with the two figures
% print(filename, '-dpdf', '-bestfit', '-r300', '-painters', 'figure1', 'figure2');
append_pdfs('all_figures.pdf', 'figure1.pdf', 'figure2.pdf')
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Jan
Jan 2023-3-14
编辑：Jan 2023-3-14
"Where in the code should I put the line 'dbstop if caught error'." - Whereever you want, but not after the failing function is called, because then the dbstop command is not reached. I do this in the command window, because debugging is not a part of the computation.
Another option is to set a breakpoint in append_pdfs and step through the code line by line. The debugger is the best tool to debug programs.
The actual problem is that anywhere is one orphaned quote. It should be possible to find out, where and why it is missing.
Roman Rosipal
Roman Rosipal 2023-6-25
this seems to be something with the latest realease of Matlab 2023a. It works for me with R2023a Update 1 but not with R2023a Update 3 where I run into the same problem.

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回答（2 个）

Sai Sumanth Korthiwada
Hi Jack,
As mentioned in the documentation overview of append_pdfs in File Exchange:
This function is now included in the export_fig package:
http://www.mathworks.com/matlabcentral/fileexchange/23629
The version here will not be maintained.
Please prefer using export_fig package, as this package is maintained and updated frequently. Last update being on 23 Mar 2023. Please refer to the below mentioned link to know more about 'export_fig' or to download 'export_fig' through File exchange:
https://in.mathworks.com/matlabcentral/fileexchange/23629-export_fig
Hope this helps!
enrico maggiolini
enrico maggiolini 2023-3-31
same problem:
the code is easy:
out='C:\users\fem\desktop\test.pdf'
in1='C:\users\fem\desktop\1.pdf'
in2='C:\users\fem\desktop\2.pdf'
in3='C:\users\fem\desktop\3.pdf'
append_pdfs(out,in1,in2,in3)
i obtain a test.pdf file with only 2 files appended and the error:
Error using append_pdfs (line_131)
Unterminated quote in @-file: C:\users\fem\desktop\3.pdf"
what i've noticed is:
-the error is obtained always with the last file of the list, no matter which is it or how many are them and the generated files is missing of this last file
-in the error message there is a " at the end of the file name
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Titus Edelhofer
Titus Edelhofer 2023-11-10
You can fix this by adding in the call a new line at the end before "fclose"
fprintf(fh, '\n');
Spencer
Spencer 2023-11-10
How is it possible that within an hour of you posting this fix (that works brilliantly btw), I run into the issue for the first time and find this thread first try?
Thank you!

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