Shell Programming and Scripting

awk 'END {
  printf "%.2fGiB\n", t/1024/1024/1024
  }
{ t += conv($1) }  
func conv(s) {
  # convert to bytes
  s ~ /K$/ && s *= 1024
  s ~ /M$/ && s *= 1024 * 1024
  s ~ /G$/ && s *= 1024 * 1024 * 1024
  s ~ /T$/ && s *= 1024 * 1024 * 1024 *1024
  return s
  }' infile

awk 'END {
  printf "%.2fGiB\n", t/1024/1024/1024
  }
{ t += conv($1) }  
func conv(s) {
  # convert to bytes
  switch (s) {
    case /K$/: s *= 1024;                      break
    case /M$/: s *= 1024 * 1024;               break
    case /G$/: s *= 1024 * 1024 * 1024;        break
    case /T$/: s *= 1024 * 1024 * 1024 * 1024; break
    }
  return s
  }' infile

tail -1 tSpace | awk '$1+=0' > tess_awk_tSpace

575 /local/mis/SYBDUMP

du -sh $SomeDir

du -sh *