# vim: set ft=sh: # kernel_cmdline <param> <default> # Looks for a parameter on the kernel's boot-time command line. # # returns: 0 if param was found. Also prints its value if it was a K=V param. # 1 if it was not. Also prints value passed as <default> # kernel_cmdline () { for param in $(/bin/cat /proc/cmdline); do case "${param}" in $1=*) echo "${param##*=}"; return 0 ;; $1) return 0 ;; *) continue ;; esac done [ -n "${2}" ] && echo "${2}" return 1 }