试图通过我的PHP脚本在我的apache服务器中执行bash命令，但是收到错误

Question

i have just started implemting bash commands into my php scripts the first few works fine now i am trying to do the following bash command in my php script

exec("awk -F: '{printf "www.example.com/2/tks.php?account=%s%%3A%s
" ,$1, $2 }' < /opt/lampp/htdocs/$filename > /opt/lampp/htdocs/2.txt");

the error i am getting from my php script that worked fine before i put this in is

Parse error: syntax error, unexpected 'www' (T_STRING) in /opt/lampp/htdocs/index.php on line 54

Answer 1

You have to escape your double quotes in the string:

exec("awk -F: '{printf \"www.example.com/2/tasks.php?account=%s%%3A%s\
\" ,$1, $2 }' < /opt/lampp/htdocs/$filename > /opt/lampp/htdocs/2.txt");