Execute a system command: Difference between revisions

(add m4)
Line 418:
echo nl2br($output);</lang>
'''Note:'''The '@' is here to prevent error messages to be displayed, 'nl2br' translate '\n' chars to 'br' in HTML.
 
Other:
$results = `ls`;
# runs command and returns its STDOUT as a string
system("ls");
# runs command and returns its exit status; its STDOUT gets output to our STDOUT
echo `ls`;
#The same, but with back quotes
 
=={{header|Pop11}}==
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