I have a php script that I use to execute bash commands.
That bash command does not take argument at start, i.e.
ssh root@ip
However, when this command is executed, later it requires input from user.
So how can I accomplish this with php?
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1 Answer
You can use popen which returns a file handle:
$handle = popen("ssh root@ip", "w");
fwrite($handle, "This is send as stdin\n");
// ...
pclose($handle);
Example:
<?php
$handle = popen("cat - > a.txt", "w");
fwrite($handle, "hello world\n");
// ...
pclose($handle);
?>
Will create a.txt with contains hello world.
5 Comments
Ethical
ssh root@ip , after executing this command it will next ask for the password for the remove server, why will i need a file handle for that ? Sorry if i don't understand your answer. @andlrc
Andreas Louv
@Ethical So that you can send an answer, to the process.
popen stands for process open, and returns the process's standard input to $handle.Ethical
Thank you for your response it some how helped. But the command I am working with requires 2-3 user inputs, for that popen is not working, any other alternatives or suggestions? @andlrc
Andreas Louv
@Ethical Can't you just call
fwrite three times or write a multiline string: fwrite($handle, "a\nb\nc\n")Ethical
Yes i actually called it three times and tried with \n as well, but it still don't work. It gives the input only to one of the intermediate steps. @andlrc