===========================================================
                                      .___ __  __   
          _________________  __ __  __| _/|__|/  |_ 
         / ___\_` __ \__  \ |  |  \/ __ | | \\_  __\
        / /_/  >  | \// __ \|  |  / /_/ | |  ||  |  
        \___  /|__|  (____  /____/\____ | |__||__|  
       /_____/            \/           \/           
              grep rough audit - static analysis tool
                  v2.8 written by @Wireghoul
=================================[justanotherhacker.com]===
btrbk-0.29.1/btrbk-808-  if(scalar(@unsafe_cmd)) {
btrbk-0.29.1/btrbk:809:    ERROR "Unsafe command `$cmd` (offending string: " . join(', ', @unsafe_cmd) . ')';
btrbk-0.29.1/btrbk-810-    return undef;
##############################################
btrbk-0.29.1/btrbk-832-  else {
btrbk-0.29.1/btrbk:833:    ERROR "Command execution failed ($!): `$cmd`";
btrbk-0.29.1/btrbk-834-    return undef;
##############################################
btrbk-0.29.1/btrbk-838-  if($? == -1) {
btrbk-0.29.1/btrbk:839:    ERROR "Command execution failed ($!): `$cmd`";
btrbk-0.29.1/btrbk-840-    return undef;
##############################################
btrbk-0.29.1/btrbk-843-    my $signal = $? & 127;
btrbk-0.29.1/btrbk:844:    ERROR "Command execution failed (child died with signal $signal): `$cmd`";
btrbk-0.29.1/btrbk-845-    return undef;
##############################################
btrbk-0.29.1/btrbk-5119-    if(-d $path) {
btrbk-0.29.1/btrbk:5120:      $path = `readlink -e -q '$path'`;
btrbk-0.29.1/btrbk-5121-    }