UNIX for Dummies Questions & Answers

find . -type f -mtime +$7 | xargs rm -f

find . -type f -mtime +$7 -exec rm -f {} \;

find . -mtime+7 | while read fname 
do
   rm "$fname"
done

find . -type f -mtime +$7 -print0 | xargs -0 rm -f

find . -type f -mtime +$7 -exec rm -f {} +

# touch "abc 123"

# touch "abc 124"

# ls -l a*
-rw-r--r--. 1 root root    0 Jun 18 12:48 abc 123
-rw-r--r--. 1 root root    0 Jun 18 12:48 abc 124

# ls abc*|xargs rm
rm: cannot remove `abc': No such file or directory
rm: cannot remove `123': No such file or directory
rm: cannot remove `abc': No such file or directory
rm: cannot remove `124': No such file or directory

# ls abc*|xargs -0 rm
rm: cannot remove `abc 123\nabc 124\n': No such file or directory

# find . -name "abc*"
./abc 124
./abc 123

# find . -name "abc*"|xargs -0 rm
rm: cannot remove `./abc 124\n./abc 123\n': No such file or directory

$ find . -name "abc*" -print0 | xargs -0 ls -l
-rw-r--r-- 1 carlo.m a 0 Jun 18 13:07 ./abc 123
-rw-r--r-- 1 carlo.m a 0 Jun 18 13:07 ./abc 124