I need to call R from within a Perl script. I do so using a system call like
this:
@args = ('R --vanilla --quiet --file=Rblock');
system(@args) == 0 or die "system @args failed: $!";
The script works perfectly when run in Mac OSX or Linux. In Windows XP it
fails with the message " 'R' is not recognized as an internal or external
command, operable program or batch file".
To ensure that R was properly installed and that the environment variable
"path" was correctly set, I executed the same command (R --vanilla --quiet
--file=Rblock) from the command line and it worked perfectly; i.e. R ran
with the expected behavior.
Similar system calls to other external programs, e.g.
@args = ('Notepad');
system(@args) == 0 or die "system @args failed: $!";
work perfectly.
Is there any obvious reason that this particular call works from the command
line but not from within a perl script?
Thanks for any assistance
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