Bash function to print process info for matching process name

psg.sh

# psg NAME
function psg {
  processes=$(pgrep $@)
  if [ -z "$processes" ]; then
    echo "No matches"
  else
    ps $processes
  fi
}

Example:

kjmacbook:~ $ psg core
  PID   TT  STAT      TIME COMMAND
   75   ??  Ss     0:04.67 /usr/libexec/coreduetd
  149   ??  Ss     0:02.95 /System/Library/CoreServices/coreservicesd
  197   ??  Ss     0:00.03 /usr/libexec/corestoraged
  327   ??  Ss     0:00.05 /System/Library/PrivateFrameworks/CoreSymbolication.framework/coresymbolicationd
  373   ??  Ss     0:06.47 /usr/sbin/coreaudiod