Terminal Exercises

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Loops

Saving to a file in a loop - part 2

Also in the exercise-data/alkanes directory, what would be the output of the following loop?

for datafile in *.pdb
do
    cat $datafile >> all.pdb
done

All of the text from cubane.pdb, ethane.pdb, methane.pdb, octane.pdb, and pentane.pdb would be concatenated and saved to a file called all.pdb.

The text from ethane.pdb will be saved to a file called all.pdb.

All of the text from cubane.pdb, ethane.pdb, methane.pdb, octane.pdb, pentane.pdb and propane.pdb would be concatenated and saved to a file called all.pdb.

All of the text from cubane.pdb, ethane.pdb, methane.pdb, octane.pdb, pentane.pdb and propane.pdb would be printed to the screen and saved to a file called all.pdb.