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How can my LaTeX files detect if they're being compiled on Overleaf?
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I have a LaTeX file that executes an external shell command to get some information; this works on my local machine but fails on Overleaf. That's okay, not a big deal—if I can wrap the code in an if-then conditional that checks if it's executing on Overleaf.
Problem: how can I make my LaTeX code check if being run on Overleaf?
Clarification added 2017-07-31: I already know how to test for shell escapes, and conditionalize my code appropriately. The problem is not whether shell escapes work; the problem is really about testing for Overleaf versus other environments.
conditionals overleaf
asked Jul 31 '17 at 4:36
mhuckamhucka
285311
add a comment |
I have a LaTeX file that executes an external shell command to get some information; this works on my local machine but fails on Overleaf. That's okay, not a big deal—if I can wrap the code in an if-then conditional that checks if it's executing on Overleaf.
Problem: how can I make my LaTeX code check if being run on Overleaf?
Clarification added 2017-07-31: I already know how to test for shell escapes, and conditionalize my code appropriately. The problem is not whether shell escapes work; the problem is really about testing for Overleaf versus other environments.
conditionals overleaf
asked Jul 31 '17 at 4:36
mhuckamhucka
285311
1
surely you don't want o know if it's on overleaf but if shell escape is enabled?, which you can test for the integer value ofpdfshellescapeorshellescapeor in luastatus.shell_escapedependin on the tex flavour in use.
– David Carlisle
Jul 31 '17 at 7:28
No; in fact, shell escapes do work, and I already test for that in my code. But the command involves getting information using git, and this works differently in my local environment versus in Overleaf. I have given up trying to figure out why the command fails. I just want to skip the whole thing when running on Overleaf.
– mhucka
Jul 31 '17 at 15:01
oh in that case you could shell escape and look at the environment variables, surely overleaf must have some environment variable set with a distinguished value?
– David Carlisle
Jul 31 '17 at 15:28
That would work, but I have not found anything relevant in their documentation so far. I was hoping someone here would have already done something like this and knew the answer.
– mhucka
Jul 31 '17 at 15:31
just look at the output of the commandenvand pick one:-)
– David Carlisle
Jul 31 '17 at 15:33
add a comment |
I have a LaTeX file that executes an external shell command to get some information; this works on my local machine but fails on Overleaf. That's okay, not a big deal—if I can wrap the code in an if-then conditional that checks if it's executing on Overleaf.
Problem: how can I make my LaTeX code check if being run on Overleaf?
Clarification added 2017-07-31: I already know how to test for shell escapes, and conditionalize my code appropriately. The problem is not whether shell escapes work; the problem is really about testing for Overleaf versus other environments.
conditionals overleaf
asked Jul 31 '17 at 4:36
mhuckamhucka
285311
I have a LaTeX file that executes an external shell command to get some information; this works on my local machine but fails on Overleaf. That's okay, not a big deal—if I can wrap the code in an if-then conditional that checks if it's executing on Overleaf.
Problem: how can I make my LaTeX code check if being run on Overleaf?
Clarification added 2017-07-31: I already know how to test for shell escapes, and conditionalize my code appropriately. The problem is not whether shell escapes work; the problem is really about testing for Overleaf versus other environments.
conditionals overleaf
conditionals overleaf
asked Jul 31 '17 at 4:36
mhuckamhucka
285311
asked Jul 31 '17 at 4:36
mhuckamhucka
285311
edited Jul 31 '17 at 15:08
mhucka
asked Jul 31 '17 at 4:36
mhuckamhucka
285311
asked Jul 31 '17 at 4:36
mhuckamhucka
285311
asked Jul 31 '17 at 4:36
mhuckamhucka
285311
285311
1
surely you don't want o know if it's on overleaf but if shell escape is enabled?, which you can test for the integer value ofpdfshellescapeorshellescapeor in luastatus.shell_escapedependin on the tex flavour in use.
– David Carlisle
Jul 31 '17 at 7:28
No; in fact, shell escapes do work, and I already test for that in my code. But the command involves getting information using git, and this works differently in my local environment versus in Overleaf. I have given up trying to figure out why the command fails. I just want to skip the whole thing when running on Overleaf.
– mhucka
Jul 31 '17 at 15:01
oh in that case you could shell escape and look at the environment variables, surely overleaf must have some environment variable set with a distinguished value?
– David Carlisle
Jul 31 '17 at 15:28
That would work, but I have not found anything relevant in their documentation so far. I was hoping someone here would have already done something like this and knew the answer.
– mhucka
Jul 31 '17 at 15:31
just look at the output of the commandenvand pick one:-)
– David Carlisle
Jul 31 '17 at 15:33
add a comment |
1
surely you don't want o know if it's on overleaf but if shell escape is enabled?, which you can test for the integer value ofpdfshellescapeorshellescapeor in luastatus.shell_escapedependin on the tex flavour in use.
– David Carlisle
Jul 31 '17 at 7:28
No; in fact, shell escapes do work, and I already test for that in my code. But the command involves getting information using git, and this works differently in my local environment versus in Overleaf. I have given up trying to figure out why the command fails. I just want to skip the whole thing when running on Overleaf.
– mhucka
Jul 31 '17 at 15:01
oh in that case you could shell escape and look at the environment variables, surely overleaf must have some environment variable set with a distinguished value?
– David Carlisle
Jul 31 '17 at 15:28
That would work, but I have not found anything relevant in their documentation so far. I was hoping someone here would have already done something like this and knew the answer.
– mhucka
Jul 31 '17 at 15:31
just look at the output of the commandenvand pick one:-)
– David Carlisle
Jul 31 '17 at 15:33
1
1
surely you don't want o know if it's on overleaf but if shell escape is enabled?, which you can test for the integer value of
pdfshellescape or shellescape or in lua status.shell_escape dependin on the tex flavour in use.– David Carlisle
Jul 31 '17 at 7:28
surely you don't want o know if it's on overleaf but if shell escape is enabled?, which you can test for the integer value of
pdfshellescape or shellescape or in lua status.shell_escape dependin on the tex flavour in use.– David Carlisle
Jul 31 '17 at 7:28
No; in fact, shell escapes do work, and I already test for that in my code. But the command involves getting information using git, and this works differently in my local environment versus in Overleaf. I have given up trying to figure out why the command fails. I just want to skip the whole thing when running on Overleaf.
– mhucka
Jul 31 '17 at 15:01
No; in fact, shell escapes do work, and I already test for that in my code. But the command involves getting information using git, and this works differently in my local environment versus in Overleaf. I have given up trying to figure out why the command fails. I just want to skip the whole thing when running on Overleaf.
– mhucka
Jul 31 '17 at 15:01
oh in that case you could shell escape and look at the environment variables, surely overleaf must have some environment variable set with a distinguished value?
– David Carlisle
Jul 31 '17 at 15:28
oh in that case you could shell escape and look at the environment variables, surely overleaf must have some environment variable set with a distinguished value?
– David Carlisle
Jul 31 '17 at 15:28
That would work, but I have not found anything relevant in their documentation so far. I was hoping someone here would have already done something like this and knew the answer.
– mhucka
Jul 31 '17 at 15:31
That would work, but I have not found anything relevant in their documentation so far. I was hoping someone here would have already done something like this and knew the answer.
– mhucka
Jul 31 '17 at 15:31
just look at the output of the command
env and pick one:-)– David Carlisle
Jul 31 '17 at 15:33
just look at the output of the command
env and pick one:-)– David Carlisle
Jul 31 '17 at 15:33
add a comment |
2 Answers
2
active
oldest
votes
I think the simplest solution is to determine the home path used by Overleaf and test against that. It's unlikely to match your local home path.
To find Overleaf's home path:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
begin{document}
HOME: texttt{homepath}.
end{document}
Then copy the resulting path and test against that:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
defoverleafhome{/home/whatever}% change as appropriate
begin{document}
ifxhomepathoverleafhome
Overleaf.
else
Not Overleaf.
fi
end{document}
answered Jul 31 '17 at 16:56
Nicola TalbotNicola Talbot
34.4k259105
1
I used this approach. Based on some testing, that path on Overleaf appears to be/home/wl. Thank you very much for this solution.
– mhucka
Aug 7 '17 at 20:00
Addendum: I examined other environment variables, per David Carlisle's comments at the top. Unfortunately, no other variable other thanHOMEseemed safe enough to use (in the sense that I couldn't be sure a collaborator would get the expected behavior if the used the files in their local environment).
– mhucka
Aug 7 '17 at 20:02
add a comment |
The solution works well with overleaf and a linux machine, but it doesn't work with windows due to the backslash in the path. Under windows (miktex), an
! Undefined control sequence.
l.1 C:Users
error occurs.
I believe in @@input|"kpsewhich --var-value=HOME" the backslashes need to be escaped, but I couldn't figure out how. Does anyone know how to solve this?
answered 11 mins ago
BenBen
1
New contributor
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
I think the simplest solution is to determine the home path used by Overleaf and test against that. It's unlikely to match your local home path.
To find Overleaf's home path:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
begin{document}
HOME: texttt{homepath}.
end{document}
Then copy the resulting path and test against that:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
defoverleafhome{/home/whatever}% change as appropriate
begin{document}
ifxhomepathoverleafhome
Overleaf.
else
Not Overleaf.
fi
end{document}
answered Jul 31 '17 at 16:56
Nicola TalbotNicola Talbot
34.4k259105
1
I used this approach. Based on some testing, that path on Overleaf appears to be/home/wl. Thank you very much for this solution.
– mhucka
Aug 7 '17 at 20:00
Addendum: I examined other environment variables, per David Carlisle's comments at the top. Unfortunately, no other variable other thanHOMEseemed safe enough to use (in the sense that I couldn't be sure a collaborator would get the expected behavior if the used the files in their local environment).
– mhucka
Aug 7 '17 at 20:02
add a comment |
I think the simplest solution is to determine the home path used by Overleaf and test against that. It's unlikely to match your local home path.
To find Overleaf's home path:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
begin{document}
HOME: texttt{homepath}.
end{document}
Then copy the resulting path and test against that:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
defoverleafhome{/home/whatever}% change as appropriate
begin{document}
ifxhomepathoverleafhome
Overleaf.
else
Not Overleaf.
fi
end{document}
answered Jul 31 '17 at 16:56
Nicola TalbotNicola Talbot
34.4k259105
1
I used this approach. Based on some testing, that path on Overleaf appears to be/home/wl. Thank you very much for this solution.
– mhucka
Aug 7 '17 at 20:00
Addendum: I examined other environment variables, per David Carlisle's comments at the top. Unfortunately, no other variable other thanHOMEseemed safe enough to use (in the sense that I couldn't be sure a collaborator would get the expected behavior if the used the files in their local environment).
– mhucka
Aug 7 '17 at 20:02
add a comment |
I think the simplest solution is to determine the home path used by Overleaf and test against that. It's unlikely to match your local home path.
To find Overleaf's home path:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
begin{document}
HOME: texttt{homepath}.
end{document}
Then copy the resulting path and test against that:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
defoverleafhome{/home/whatever}% change as appropriate
begin{document}
ifxhomepathoverleafhome
Overleaf.
else
Not Overleaf.
fi
end{document}
answered Jul 31 '17 at 16:56
Nicola TalbotNicola Talbot
34.4k259105
I think the simplest solution is to determine the home path used by Overleaf and test against that. It's unlikely to match your local home path.
To find Overleaf's home path:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
begin{document}
HOME: texttt{homepath}.
end{document}
Then copy the resulting path and test against that:
documentclass{article}
makeatletter
begingroupendlinechar=-1relax
everyeof{noexpand}%
edefx{endgroupdefnoexpandhomepath{%
@@input|"kpsewhich --var-value=HOME" }}x
makeatother
defoverleafhome{/home/whatever}% change as appropriate
begin{document}
ifxhomepathoverleafhome
Overleaf.
else
Not Overleaf.
fi
end{document}
answered Jul 31 '17 at 16:56
Nicola TalbotNicola Talbot
34.4k259105
answered Jul 31 '17 at 16:56
Nicola TalbotNicola Talbot
34.4k259105
answered Jul 31 '17 at 16:56
Nicola TalbotNicola Talbot
34.4k259105
answered Jul 31 '17 at 16:56
Nicola TalbotNicola Talbot
34.4k259105
34.4k259105
1
I used this approach. Based on some testing, that path on Overleaf appears to be/home/wl. Thank you very much for this solution.
– mhucka
Aug 7 '17 at 20:00
Addendum: I examined other environment variables, per David Carlisle's comments at the top. Unfortunately, no other variable other thanHOMEseemed safe enough to use (in the sense that I couldn't be sure a collaborator would get the expected behavior if the used the files in their local environment).
– mhucka
Aug 7 '17 at 20:02
add a comment |
1
I used this approach. Based on some testing, that path on Overleaf appears to be/home/wl. Thank you very much for this solution.
– mhucka
Aug 7 '17 at 20:00
Addendum: I examined other environment variables, per David Carlisle's comments at the top. Unfortunately, no other variable other thanHOMEseemed safe enough to use (in the sense that I couldn't be sure a collaborator would get the expected behavior if the used the files in their local environment).
– mhucka
Aug 7 '17 at 20:02
1
1
I used this approach. Based on some testing, that path on Overleaf appears to be
/home/wl. Thank you very much for this solution.– mhucka
Aug 7 '17 at 20:00
I used this approach. Based on some testing, that path on Overleaf appears to be
/home/wl. Thank you very much for this solution.– mhucka
Aug 7 '17 at 20:00
Addendum: I examined other environment variables, per David Carlisle's comments at the top. Unfortunately, no other variable other than
HOME seemed safe enough to use (in the sense that I couldn't be sure a collaborator would get the expected behavior if the used the files in their local environment).– mhucka
Aug 7 '17 at 20:02
Addendum: I examined other environment variables, per David Carlisle's comments at the top. Unfortunately, no other variable other than
HOME seemed safe enough to use (in the sense that I couldn't be sure a collaborator would get the expected behavior if the used the files in their local environment).– mhucka
Aug 7 '17 at 20:02
add a comment |
The solution works well with overleaf and a linux machine, but it doesn't work with windows due to the backslash in the path. Under windows (miktex), an
! Undefined control sequence.
l.1 C:Users
error occurs.
I believe in @@input|"kpsewhich --var-value=HOME" the backslashes need to be escaped, but I couldn't figure out how. Does anyone know how to solve this?
answered 11 mins ago
BenBen
1
New contributor
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
The solution works well with overleaf and a linux machine, but it doesn't work with windows due to the backslash in the path. Under windows (miktex), an
! Undefined control sequence.
l.1 C:Users
error occurs.
I believe in @@input|"kpsewhich --var-value=HOME" the backslashes need to be escaped, but I couldn't figure out how. Does anyone know how to solve this?
answered 11 mins ago
BenBen
1
New contributor
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
The solution works well with overleaf and a linux machine, but it doesn't work with windows due to the backslash in the path. Under windows (miktex), an
! Undefined control sequence.
l.1 C:Users
error occurs.
I believe in @@input|"kpsewhich --var-value=HOME" the backslashes need to be escaped, but I couldn't figure out how. Does anyone know how to solve this?
answered 11 mins ago
BenBen
1
New contributor
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
The solution works well with overleaf and a linux machine, but it doesn't work with windows due to the backslash in the path. Under windows (miktex), an
! Undefined control sequence.
l.1 C:Users
error occurs.
I believe in @@input|"kpsewhich --var-value=HOME" the backslashes need to be escaped, but I couldn't figure out how. Does anyone know how to solve this?
answered 11 mins ago
BenBen
1
New contributor
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 11 mins ago
BenBen
1
New contributor
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 11 mins ago
BenBen
1
answered 11 mins ago
BenBen
1
1
New contributor
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Ben is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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1
surely you don't want o know if it's on overleaf but if shell escape is enabled?, which you can test for the integer value of
pdfshellescapeorshellescapeor in luastatus.shell_escapedependin on the tex flavour in use.– David Carlisle
Jul 31 '17 at 7:28
No; in fact, shell escapes do work, and I already test for that in my code. But the command involves getting information using git, and this works differently in my local environment versus in Overleaf. I have given up trying to figure out why the command fails. I just want to skip the whole thing when running on Overleaf.
– mhucka
Jul 31 '17 at 15:01
oh in that case you could shell escape and look at the environment variables, surely overleaf must have some environment variable set with a distinguished value?
– David Carlisle
Jul 31 '17 at 15:28
That would work, but I have not found anything relevant in their documentation so far. I was hoping someone here would have already done something like this and knew the answer.
– mhucka
Jul 31 '17 at 15:31
just look at the output of the command
envand pick one:-)– David Carlisle
Jul 31 '17 at 15:33