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I am new in ubuntu and I am doing a project where i should install the charm crypto library in my android device.In the manual file it says that i should create two folders: $BD and $SCRIPTS.
I created them on my Desktop so after the command cd Desktop I tried to execute the following command:
cd $BD/android-python27 && $SCRIPTS/python.sh, but i get the error

bash: cd: /android-python27: No such file or directory


I should mention that inside $BD folder the folder android-python27 exists.So does anybody know how i can solve this issue?

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  • I think you need a ./ before $BD – TheWanderer Dec 11 '15 at 1:19
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    Did you actually assign a value to the variable BD? it looks like $BD is expanding to the empty string "" – steeldriver Dec 11 '15 at 1:20
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$BD is an environment variable. If "$BD" is actually the name of your directory, you should rename the directory. If for some reason you can't, you can address it by making the entire pathname literal with single-quotes ('), thus:

cd '$BD/android-python27' && '$SCRIPTS/python.sh'

If $BD is in fact supposed to be a variable, it is undefined, and you need to set it, thus:

export BD=/path/to/container/directory/
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  • Your suggestion actually worked but there is another prolem.After the cd i moved inside the android-python27 directory but there is a new error:$scripts/python.sh: No such file or directory. This is actually true because the directory $SCRIPTS is inside $BD folder.But how i can execute succesfully this command? – PL13 Dec 11 '15 at 1:31
  • It's hard to say because you didn't say which part worked? Different answer depending. – Autumn Dec 11 '15 at 1:39
  • I renamed the directories to bd and scripts.The command I use is for building the dependecies. – PL13 Dec 11 '15 at 1:40
  • Oh, good. Now set the SCRIPTS variable to the fully qualified pathname of .../scripts. EG: export SCRIPTS=$BD/scripts/ or /full/path/to/scripts/. Don't forget that bash is case-sensitive. $SCRIPTS <> $scripts. – Autumn Dec 11 '15 at 1:45

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