How to print \ in fprintf?
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Jay Vaidya
le 21 Juil 2020
Réponse apportée : Cris LaPierre
le 21 Juil 2020
I have to print a command to a file,
lib_def = '.lib C:\Users\vaidy\Documents\LTspiceXVII\lib\cmp\standard.mos\n'
Opamp_lib = '.lib UniversalOpamps2.sub\n'
File = fopen('oscillator_8.cir','w');
fprintf(File,sprintf(lib_def));
fprintf(File,Opamp_lib);
fclose(File);
I'm using the above commands, but it doesn't print the same to the file.
Output:
.lib C:.lib UniversalOpamps2.sub
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Walter Roberson
le 21 Juil 2020
lib_def = '.lib C:\Users\vaidy\Documents\LTspiceXVII\lib\cmp\standard.mos' %no \n here!
fprintf(File,'%s\n', lib_def);
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Plus de réponses (2)
Star Strider
le 21 Juil 2020
You need to ‘escape’ the backslant (\) with a preceding backslant (\\) in order to print it as you want to.
Perhaps this will do what you want:
lib_def = '.lib C:\\Users\\vaidy\\Documents\\LTspiceXVII\\lib\\cmp\\standard.mos\n'
I am assuming here that you want to retain the ‘\n’ as a newline character.
.
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Cris LaPierre
le 21 Juil 2020
You have not specified the formatspec input argument. Even with that, special characters like a backslash need to be handled differently. See the Text Before or After Formatting Operators section in the linked documentation page. Here, that means use "\\" when you wnat "\". Below is an example that prints to the screen, allowing you to verify the behavior.
lib_def = '.lib C:\\Users\\vaidy\\Documents\\LTspiceXVII\\lib\\cmp\\standard.mos\n'
fprintf(sprintf('%s',lib_def));
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