How to parse /proc/pid/cmdline

Question

I\'m trying to split the cmdline of a process on Linux but it seems I cannot rely on it to be separated by \'\\0\' characters. Do you know why sometimes the \'\\0\' character is

Answer 1

The command line arguments in /proc/PID/cmdline are separated by null bytes. You can use tr to replace them by new lines:

tr '\0' '\n' < /proc/"$PID"/cmdline