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Posted by ZeldorBlat on 07/19/07 16:33
On Jul 18, 6:26 pm, qazwart <qazw...@gmail.com> wrote:
> I am reading from a "cvs rlog" command, and I need both the STDOUT and
> STDERR. Unfortunately, something very strange is happening. If I do
> this:
>
> $cmd = "$cvs_cmd -q rlog -NS -r$from_label::$to_label neo 2>&1"; //
> Hard coded module
> DEBUG ("if (!($cvs_fh = popen(\"$cmd\", 'r'))) {");
> if (!($cvs_fh = popen("$cmd", 'r'))) {
> generate_error("Canot open command \"$cmd\" for reading");
> }
> $exam_file_flag = false;
> $inside_revision_flag = false;
> $inside_comment_flag = false;
> print "Generating Initial Release Information: ";
> flush();
> while($line = fgets($cvs_fh)) {
> DEBUG ("....line = \"$line\"");
>
> I get the combined STDOUT and STDERR in my while loop. However if I do
> this:
>
> $cvs_module = "neo"
> $cmd = "$cvs_cmd -q rlog -NS -r$from_label::$to_label $cvs_module
> 2>&1"; //Use variable for module
> DEBUG ("if (!($cvs_fh = popen(\"$cmd\", 'r'))) {");
> if (!($cvs_fh = popen("$cmd", 'r'))) {
> generate_error("Canot open command \"$cmd\" for reading");
> }
> $exam_file_flag = false;
> $inside_revision_flag = false;
> $inside_comment_flag = false;
> print "Generating Initial Release Information: ";
> flush();
> while($line = fgets($cvs_fh)) {
> DEBUG ("....line = \"$line\"");
>
> I don't get STDERR in my while loop.
>
> Note the "DEBUG" line. This is a little routine I wrote to help me see
> what is going on. Here is the output of the DEBUG line in the first
> code example:
>
> DEBUG: if (!( = popen("/usr/local/bin/cvs -d :pserver:build@aladdin:/
> tools/CVSROOT -q rlog -NS -rNEO-199::NEO-210 neo 2>&1", 'r'))) {
>
> Here is the output of the "DEBUG" line in the second code example:
>
> DEBUG: if (!( = popen("/usr/local/bin/cvs -d :pserver:build@aladdin:/
> tools/CVSROOT -q rlog -NS -rNEO-199::NEO-210 neo 2>&1", 'r'))) {
>
> Is there something I should be looking for?
Before running the command echo out the value of $cmd to make sure it
is what you think it is.
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