Just use the -w flag of the test utillity:

[ -w /path/to/file ] && echo "writeable" || echo "write permission denied" 

Note that if you're going to write to the file later, it's still possible that you won't be able to write to it. The file may have moved, the permissions may have changed, etc. It can also happen that -w detects write permissions but some other factor intervenes to make the file not writable.

Just use the -w flag of the test utillity:

[ -w /path/to/file ] && echo "writeable" || echo "write permission denied" 

Note that if you're going to write to the file later, it's still possible that you won't be able to write to it. The file may have moved, the permissions may have changed, etc. It can also happen that -w detects write permissions but some other factor intervenes to make the file not writable.

Just use the -w flag of the test utillity:

[ -w /path/to/file ] && echo "writeable" || echo "write permission denied" 

Just use the -w flag of the test utillity:

[ -w /path/to/file ] && echo "writeable" || echo "write permission denied" 

Note that if you're going to write to the file later, it's still possible that you won't be able to write to it. The file may have moved, the permissions may have changed, etc. It can also happen that -w detects write permissions but some other factor intervenes to make the file not writable.