1. The problem statement, all variables and given/known data:
I have to make a script that will copy the contents of a already created folder to 3 others that are not created yet. The problem is that I cant create them so i get an error message for the folders that dont exist. If the total files are not 4 display an error message
3. The attempts at a solution (include all code and scripts): 4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
PAPI , Chania ,Greece, Varos CS1111
Moderator's Comments:
Please use next time code tags for your code and data
1. The lines which I've coloured red are contradictory. $1, $2, $3.... are positional parameters. You can't read values into them that way.
2. Your requirement was to create directories, not files, right? touch is used to change a file's access and modification time. If file doesn't exist, it creates them.
3. Try the below script. Let us know if you have any questions.
4. Please use code tags.
'test' was an already existing dir. test1, test2, test3 are newly created dirs, which contains all of the data contained in 'test'
touch a1
if (test $# -eq 4)
echo " Enter 1 source file and 3 target files"
read a1 a2 a3 a4
then
cp $a1 $a2
cp $a1 $a3
cp $a1 $a4
else echo " Need exactly four parameters, sorry. "
fi
No point learning about this one.
The parameter count checking bit of the script does not work at all. if (test $# -eq 4) does nothing except execute an irrelevant "test" in a subshell and ignore the result (which is good I suppose because $# has value zero at that moment).
The script collapses in a heap of "cp" errors if you just press return in response to the question.
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