On Mar 14, 2:06 pm, jimsgib...@gmail.com (Jim Gibson) wrote:
> The standard Unix function for determining this is isatty(in fd), where fd
> is the file descriptor for the input/output stream. I don't know the
> equivalent in Windows. However, there is the file test operator -t that
> returns true i
On 11-03-14 04:49 PM, Mark wrote:
Examples where input is "provided":
perl myscript.pl input.txt
perl myscript.pl< input.txt
executable_that_writes_to_sdtout | perl myscript.pl
Example of where no input is "provided":
perl myscript.pl
my $has_input = 0;
while( <> ){
$has_input = 1;
# pro
On 3/14/11 Mon Mar 14, 2011 1:49 PM, "Mark"
scribbled:
> I need to detect if input has been to my script or not.
>
> For example, I would like to differentiate between an invocation from
> the two lists below:
>
> Examples where input is "provided":
> perl myscript.pl input.txt
> perl myscrip
I need to detect if input has been to my script or not.
For example, I would like to differentiate between an invocation from
the two lists below:
Examples where input is "provided":
perl myscript.pl input.txt
perl myscript.pl < input.txt
executable_that_writes_to_sdtout | perl myscript.pl
Examp
