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0

I'd tried but got stuck for hours with this assignment question. The task is to write a shell script with n+1 arguments where the first one is the directory and the rest is the specified files and will delete all but specified files.

E.g. calling rmexcept . '.jpg' '.png'

cd $1

for i in “${@:2}”

do 

find . -type f -not -name $i -delete

done 

Here is my attempt. However, it just only works with 1 specified files (e.g. rmexcept . '.jpg'). If there are more than 1 file (e.g. rmexcept . '.jpg' '.png'), all the files are deleted. I can't figure out what went wrong since I believe I have created a for loop.

shell-script find rm arguments parameter

share|improve this question

edited 1 hour ago

Jeff Schaller♦

45.3k1165148

asked 1 hour ago

bunnieatsnocarrotbunnieatsnocarrot

1

New contributor

bunnieatsnocarrot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Of course, every png file is not a jpg file, so those disappear, then down the line. Since it's an assignment, what was taught recently, so that we might guide you in a productive direction?
  
  – Jeff Schaller♦
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well, my recent lessons revolve around control structures (for, while, if, case, etc.), printf, expr, dirname and basename
  
  – bunnieatsnocarrot
  1 hour ago
  

  
  
  
  

add a comment | 

0

I'd tried but got stuck for hours with this assignment question. The task is to write a shell script with n+1 arguments where the first one is the directory and the rest is the specified files and will delete all but specified files.

E.g. calling rmexcept . '.jpg' '.png'

cd $1

for i in “${@:2}”

do 

find . -type f -not -name $i -delete

done 

Here is my attempt. However, it just only works with 1 specified files (e.g. rmexcept . '.jpg'). If there are more than 1 file (e.g. rmexcept . '.jpg' '.png'), all the files are deleted. I can't figure out what went wrong since I believe I have created a for loop.

shell-script find rm arguments parameter

share|improve this question

edited 1 hour ago

Jeff Schaller♦

45.3k1165148

asked 1 hour ago

bunnieatsnocarrotbunnieatsnocarrot

1

New contributor

bunnieatsnocarrot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Of course, every png file is not a jpg file, so those disappear, then down the line. Since it's an assignment, what was taught recently, so that we might guide you in a productive direction?
  
  – Jeff Schaller♦
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well, my recent lessons revolve around control structures (for, while, if, case, etc.), printf, expr, dirname and basename
  
  – bunnieatsnocarrot
  1 hour ago
  

  
  
  
  

add a comment | 

I'd tried but got stuck for hours with this assignment question. The task is to write a shell script with n+1 arguments where the first one is the directory and the rest is the specified files and will delete all but specified files.

E.g. calling rmexcept . '.jpg' '.png'

cd $1

for i in “${@:2}”

do 

find . -type f -not -name $i -delete

done 

Here is my attempt. However, it just only works with 1 specified files (e.g. rmexcept . '.jpg'). If there are more than 1 file (e.g. rmexcept . '.jpg' '.png'), all the files are deleted. I can't figure out what went wrong since I believe I have created a for loop.

shell-script find rm arguments parameter

share|improve this question

edited 1 hour ago

Jeff Schaller♦

45.3k1165148

asked 1 hour ago

bunnieatsnocarrotbunnieatsnocarrot

1

New contributor

bunnieatsnocarrot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

cd $1

for i in “${@:2}”

do 

find . -type f -not -name $i -delete

done 

share|improve this question

edited 1 hour ago

Jeff Schaller♦

45.3k1165148

asked 1 hour ago

bunnieatsnocarrotbunnieatsnocarrot

1

New contributor

bunnieatsnocarrot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 1 hour ago

Jeff Schaller♦

45.3k1165148

asked 1 hour ago

bunnieatsnocarrotbunnieatsnocarrot

1

New contributor

bunnieatsnocarrot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited 1 hour ago

Jeff Schaller♦

45.3k1165148

edited 1 hour ago

Jeff Schaller♦

45.3k1165148

asked 1 hour ago

bunnieatsnocarrotbunnieatsnocarrot

1

New contributor

bunnieatsnocarrot is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 1 hour ago

bunnieatsnocarrotbunnieatsnocarrot

1