Also the case for the perl example, which I kid you not, posits that if you have access to the command line such that you can type in a perl one-liner, there's a perl library function for which one of the parameters can be tricked into shelling out to (you guessed it)... the command line.
... which shells out the output of the 'id' command in the middle of the error message it returns.
And yet the perl system function, by design, straightforwardly does the exact same thing, minus the above error messages and convoluted approach:
perl -e 'system "id";'
Finally, if you have access to the command line anyhow, you can, you know, simply input the 'id' command.
If the point here is that user input shouldn't be blindly passed to functions that might execute them, and, oh by the way, here's a fairly obscure example of a module function that does that, as a heads up... well, OK... but that's another matter entirely.
I'm pretty much only seeing facepalm material here.
I'd suggest reviewing 2016 U.S. election and U.S. population numbers minus everything you cite above as unfair to #45. He still comes up short in addressing the fundamentals of U.S. demographics.
Of 241 million eligible U.S. voters, 112 million (47%) did not vote D or R at all. 66 million (28.5%) voted for HRC, and 63 million (27%) voted for DJT.
Put another way, DJT failed to win 73% of the U.S. political audience vs. HRC failing to win 71.5% of the U.S. political audience. You'd never guess it to look at the current dramafest over who won and who lost.
The president of the U.S. is president of all 320 million Americans. The 63 million who voted for #45 represent approximately 20% of the country... vs the 21% who voted for HRC.
In short, we the people were not amused. Nor were we bowled over by either candidate.
Trump should put down the covfefe, put on his presidential pants, and learn how to play well with others, starting his own (R) majority in Congress and moving on to the 90+ million registered voters who didn't vote for either candidate, and the 22 million more beyond the who didn't even bother to register.
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Also the case for the perl example, which I kid you not, posits that if you have access to the command line such that you can type in a perl one-liner, there's a perl library function for which one of the parameters can be tricked into shelling out to (you guessed it) ... the command line.
... which shells out the output of the 'id' command in the middle of the error message it returns.
... well, OK ... but that's another matter entirely.
The example cited is this:
perl -e "use ExtUtils::Typemaps::Cmd;print embeddable_typemap(\"system 'id'\")"
And yet the perl system function, by design, straightforwardly does the exact same thing, minus the above error messages and convoluted approach:
perl -e 'system "id";'
Finally, if you have access to the command line anyhow, you can, you know, simply input the 'id' command.
If the point here is that user input shouldn't be blindly passed to functions that might execute them, and, oh by the way, here's a fairly obscure example of a module function that does that, as a heads up
I'm pretty much only seeing facepalm material here.
I'd suggest reviewing 2016 U.S. election and U.S. population numbers minus everything you cite above as unfair to #45. He still comes up short in addressing the fundamentals of U.S. demographics.
Of 241 million eligible U.S. voters, 112 million (47%) did not vote D or R at all. 66 million (28.5%) voted for HRC, and 63 million (27%) voted for DJT.
Put another way, DJT failed to win 73% of the U.S. political audience vs. HRC failing to win 71.5% of the U.S. political audience. You'd never guess it to look at the current dramafest over who won and who lost.
The president of the U.S. is president of all 320 million Americans. The 63 million who voted for #45 represent approximately 20% of the country ... vs the 21% who voted for HRC.
In short, we the people were not amused. Nor were we bowled over by either candidate.
Trump should put down the covfefe, put on his presidential pants, and learn how to play well with others, starting his own (R) majority in Congress and moving on to the 90+ million registered voters who didn't vote for either candidate, and the 22 million more beyond the who didn't even bother to register.