37c37
<              already_running_in_background
---
>              already_running_in_background add_to_bashrc
76a77
>   my $program = abs_path($0);
87c88,89
<     return if ($bashrc =~ /^[^#\n]*PROMPT_COMMAND/m);
---
>     #Check that we haven't already added ourselves
>     return if ($bashrc =~ /$program/im);
92d93
<   my $program = abs_path($0);
94,95c95,103
<   print BASHRC "\n\n# Added by $program\nexport PROMPT_COMMAND=\"$program --check\"\n"
<         or die "Can't write to $bashrc: $!";
---
>   print BASHRC "\n\n# Added by $program\n" or die "Can't write to $bashrc: $!";
>   print BASHRC "export NONBLT_PROMPT_COMMAND=\$PROMPT_COMMAND\n"
>       or die "Can't write to $bashrc: $!";
>   print BASHRC "alias bltoff=\"export PROMPT_COMMAND=\\\$NONBLT_PROMPT_COMMAND\"\n"
>       or die "Can't write to $bashrc: $!";
>   print BASHRC "alias blton=\"export PROMPT_COMMAND='\$NONBLT_PROMPT_COMMAND;$program --check'\"\n"
>       or die "Can't write to $bashrc: $!";
>   print BASHRC "blton\n" or die "Can't write to $bashrc: $!";
>