Shell Programming and Scripting

while read PC USER PASS SHARE EXCL
do
...
done

pc1 usr pc01 parts 
pc2 usr pc02 parts nobackup
pc3 usr pc03 parts 
pc4 usr pc04 parts
pc10 usr pc10 parts nobackup
pc13 usr pc13 share,share_2 noshare,noshare_2

#!/bin/sh

while read PC USER PASS SHARE EXCL
do
  case $PC in
    "#"*) # comment - ignore
          ;;
    *) echo $PC $USER $PASS $SHARE $EXCL
          ;;
  esac
done < logfile

exit 0