What is the simplest way to check if file(pdf) got write protection(or not got)?
I am using Ubuntu and not got any solution.
6
-
Is this a question about PDF encrypton, or are you just asking how to check whether a file is write-protected?– user246Jun 24, 2014 at 12:26
-
whether a file is write-protected only.– SkorpENJun 24, 2014 at 12:34
-
Which operating system? Command line or API? If API, which language?– user246Jun 24, 2014 at 13:03
-
command line or ubuntu gui, or web check, does not metter. Simpler seems to check in file properties.– SkorpENJun 24, 2014 at 13:40
-
1What is the context related to sqa/testing? Better question for unix.stackexchange.com– Niels van ReijmersdalJun 24, 2014 at 18:23
|
Show 1 more comment
2 Answers
You can use from command line ls -l. This lists files in a directory and shows the permissions for the files. The permissions look something like this: -rw-r--r--. 1 user1 users It belongs in this case to the group users and user1 is the owner of the file. The -rw means that the owner has read/write, the group has read and the overall permission for the file is read (anyone outside the group).
More info about understanding permissions in linux: http://www.linux.org/threads/file-permissions-chmod.4094/
-
Seems like the simplest so good. Still I am not sure if pdf not got other locks and how to change them, but I guess it is not that crucial. Thanks.– SkorpENJun 25, 2014 at 8:30
Use a bash script to check if a file is writable. Bash is the default shell under Ubuntu.
Example script from: http://www.cyberciti.biz/faq/unix-linux-shell-scripting-test-if-filewritable/
#!/bin/bash
FILE="$1"
[ $# -eq 0 ] && exit 1
if [ -w "$FILE" ]
then
echo "Write permission is granted on $FILE"
else
echo "Write permission is NOT granted on $FILE"
fi
This checks if the file is writable for the current user running the script.
answered Jun 24, 2014 at 18:26
