c++ - Run bash with redefined PS1 env variable -


I have written the CPP application, named MyShell, which takes the form of a parameter, some actual shell names (usually Bash) and its parameters. MyShell works as a cover for it.

I need to open the internal shell, especially for PS1 environment variables.

I know how to use it in a command line way PS1 env var: $ PS1 = "[myshell]" $ PS1 [myshell] $

but it is not so easy from CPP: 

  string npeps 1 = "[meshled]" + string (getenv ("PS1")); Setenby ("PS1", NPS 1Cestrate ()); If (execvp (shell, argv) <0} {cerr & lt; & Lt; "Can not do" & lt; & Lt; Opening & lt; & Lt; ":" & Lt; & Lt; Strerror (error) & lt; & Lt; Endl; Exit (1); }

afaik, when bash is applied, it executes commands from /etc/.bashrc or / etc / profile (depending on the options of users). If I redefined the PS1 var then my 

  Settainment ("PS1", newPS1.c_str ());   
   > 
 If you just want to change the signal from the default settings, then you  export PS1 = "[myshell] "$ PS1  to  ~ / .bashrc  or  
 edit  
 if you change the original  If you do not want to, press it before launching your CPU and hold it down. ~ / .bashrc  file You can invoice: 
 
  bash --rcfile / tmp / myCustomPS1  
 
 with  / Tmp / myCustomPS1 : 
 
  if [-f ~ / .bashrc] then. ~ / .bashrc fi Export PS1 = "[myshell]" $ PS1

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