Good morning,
On 22/05/14 at 11:14 PM +0100, Jason Davies <[email protected]> wrote:
4) (*this is the bit I can't get to work*) The script checks
whether a file already exists -- I don't want to overwrite
anything that exists by mistake.
You don't say what sort of script, or if you did I missed it.
But in shell and perl, the idea is the same, you are doing a
'file test'. In perl it would be something like:
if (! -e $path_var) { # does file exist
# create file
}
## or this if perms are an issue
if (! -r $path_var) { # can I read a file
# create file
}
There is similar syntax for shell commands.
Charlie
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