# Linux Shell Scripting Tutorial v1.05r3, Summer-2002
# rename.awk : awk script to rename file with some builtin Intelligence
# Author : Vivek G. Gite <vivek@nixcraft.com> 
# 
BEGIN{
}

#
# main logic is here
#
{
    isdir1 = "[ -d " $1 " ] "
    isdir2 = "[ -d " $2 " ] " 

    scriptname = "up2low"
    awkscriptname = "rename.awk"

    sfile = $1
    dfile = $2
    #
    # we are not suppose to rename dirs in source or destination
    #
    
    #
    # make sure we are renaming our self if in same dir
    #
    if ( sfile == scriptname || sfile == awkscriptname )
      next
    else if( ( system(isdir1) ) == 0 || system((isdir2)) == 0 )
    {
      printf "%s or %s is directory can't rename it to lower case\n",sfile,dfile
      next # continue with next recored 
    }
    else if ( sfile == dfile )
    {
       printf "Skiping, \"%s\" is alrady in lowercase\n",sfile
       next
    }
    else # everythink is okay rename it to lowercase
    {
     mvcmd = "mv " sfile " " dfile
     printf "Renaming %s to %s\n",sfile,dfile
     system(mvcmd)
    }
}

#
# End action, if any, e.g. clean ups 
#
END{
}

#
# ./ch.sh: vivek-tech.com to nixcraft.com referance converted using this tool
# See the tool at http://www.nixcraft.com/uniqlinuxfeatures/tools/
#