Href hyperlink, how to escape double quotes " ?

2022 6 20
2 个回答
回答已采纳
更新时间：2022 6 22
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1 个投票

How can I escape double quotes when displaying a hyperlink in matlab?
Example:
I want to create a hyperlink to execute this command:
[cmd_status cmd_return] = system('explorer.exe /select, "C:\My folder\My file" ')
Without double quotes, the relevant hyperlink is:
disp('<a href="matlab:system(''explorer.exe /select, C:\My folder\My file'');">Click Here</a>')
However, nothing I tried ("", \", '", ...) worked (it has to be double quotes, windows CMD does not accept anything else)
Thank you

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Walter Roberson
Walter Roberson 2022-6-20
编辑：Walter Roberson 2022-6-21
try coding
&quot;
in place of each double quote that is being escaped
covfefe
covfefe 2022-6-21
I don't this this is working
disp(['<a href="matlab:system(''explorer.exe /select, &quot;C:\My folder\My file&quot;'');">Click Here</a>'])
does not convert the &quot; to ", leaving windows unable to execute the command

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 采纳的回答

Fangjun Jiang
Fangjun Jiang 2022-6-20
编辑：Fangjun Jiang 2022-6-21
Ran in:

1 个投票

Ran in:
knowing
double('"')
ans = 34
char(34)
ans = '"'
This leads to the following, which works out properly
disp('<a href="matlab:system([''explorer.exe /select, '',char(34),''c:\My Folder\My File'',char(34)] );">Click Here</a>')
Click Here

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covfefe
covfefe 2022-6-20
编辑：covfefe 2022-6-20
This doesn't work. The printed string is:
system('explorer.exe /select,
the href link closes on the double quote " and the rest of the command gets ignored
disp(['<a href="matlab:system(''explorer.exe /select, ', char(34), 'C:\My folder\My file', char(34), ''');">Click Here</a>'])
is no different
(R2018b if that matters)
Fangjun Jiang
Fangjun Jiang 2022-6-20
okay, I see the problem now. It is due to the syntax of the hyperlinks itself using double quote symbol.
Fangjun Jiang
Fangjun Jiang 2022-6-21
A workaround. Creat a m-file function with a full file name in single quotes as input argument, calling system() to open Explorer. Hyperlink to the m-file function.
covfefe
covfefe 2022-6-21
Thanks @Fangjun Jiang. I know this is an option, I was hoping for a cleaner solution. Surely there has to be a way to escape the quotes, right?
Fangjun Jiang
Fangjun Jiang 2022-6-21
Ran in:
Ran in:
Ha! this works out
disp('<a href="matlab:system([''explorer.exe /select, '',char(34),''c:\My Folder\My File'',char(34)] );">Click Here</a>')
Click Here

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更多回答（1 个）

Jan
Jan 2022-6-21
编辑：Jan 2022-6-22

0 个投票

I'm curious:
% [UNTESTED] [TYPO FIXED]
disp(['<a href="matlab:system(', ...
'strrep(''explorer.exe /select, $C:\My folder\My file$'', ''$'', char(34));">Click Here</a>')
Fanjung's idea:
% [UNTESTED]
disp('<a href="matlab:myExplorer(''C:\My folder\My file'');">Click Here</a>')
function myExplorer(File)
system(sprintf('explorer.exe /select, "%s"');
end

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covfefe
covfefe 2022-6-21
Thanks, this one works too. (there was a typo, correct syntax is:)
disp(['<a href="matlab:system(strrep(''explorer.exe /select, $C:\My folder\My file$'', ''$'', char(34)));">Click Here</a>'])

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