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Shell Programming and Scripting

delete folders with no mpgs or nuv files

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# 1  
Old 11-14-2010
delete folders with no mpgs or nuv files
I need some help writing a simple script that will delete all subfolders that contain no mpg or nuv files, if they have anything else or are empty the folder should be deleted
I got this far but I'm pretty hopeless
Code:
foo=0

if [ -f *.nuv ]
then
 foo=1
fi

if [ -f *.mpg ]
then
 foo=1
fi

if [ $foo == 1 ]
then
 echo found
fi

# 2  
Old 11-14-2010
this code might help:

Code:
 
while read subdir; do
 
foo=0
 
if [ `ls -l $subdir|egrep -c "nuv|mpg"` -gt 0 ]
then
foo=1
fi

if [ $foo -eq 1 ]
then
echo found $subdir
fi

done < file_with_list_of_subdir

# 3  
Old 11-14-2010
I think you have the > or something else is wrong because it just hangs there when run after changing the < into a > and says ./test.sh: line 15: file_with_list_of_subdir: No such file or directory if I leave it as is
# 4  
Old 11-14-2010
You have to create the file named "file_with_list_of_subdir" containing all the names of sub directories. And < is redirection, serves as the input for each iteration of while loop.
# 5  
Old 11-14-2010
bash code:
  1. #!/bin/bash
  2. ls -d */ | while read Dir; do
  3.    if ls -l $Dir | egrep -q 'nuv|mpg'; then
  4.       echo "Files Found in $Dir"
  5.    else
  6.       echo "No files found in $Dir"
  7.    fi
  8. done
# 6  
Old 11-14-2010
use find command..
# 7  
Old 11-14-2010
Quote:
Originally Posted by mrplow
I need some help writing a simple script that will delete all subfolders that contain no mpg or nuv files
If you want to check only the subdirectory(one level) run the following in current directory.
Code:
ls -d */|while read dir;do ls -l $dir | grep -q ".[nuv|mpg]$" || echo rm -r $dir;done
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