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I had to check if a bunch of directories were missing (because I was moving a LOT of data from my NAS to an external disk).
Since I didn't find an easy way, I created a small script:
#!/bin/sh
if [ ! -d "$1" ]
then
echo $1
fi
Saved it as "exists.sh" - you can store it anywhere you'd like, just remember the path to it (optionally you can add it to the $PATH environment variable, but I prefer to not do that). So I saved it in my home directory (~).
After that I made it executable (may not be required);
chmod +x ~/exists.sh
Remember, I stored my script in my home directory - you may have to enter a different path depending on where you stored the file.
Now you can test if a directory exists, by simply doing:
~/exists.sh /path/to/directory/you/want/to/check
Since I want to create a list of missing directories, I've set it to output that path if not found.
If you'd rather check files instead of directories, use this (-f instead of -d):
#!/bin/sh
if [ ! -f "$1" ]
then
echo $1
fi
If you'd rather check for existing directories, use this (the -f instead of -d works here as well - I removed the "!" exclamation mark):
#!/bin/sh
if [ -d "$1" ]
then
echo $1
fi
