[Poonamol]

Hello,

I had written a shell script that accepts input file as cmd line argument and process this file.

if [ $# -eq 1 ]; then
if [ -f $1 ]; then
   . $1
   LOGFILE="$LOG_FILE/MIG_BIOS.log";
      get_input_file

else
   ERROR_CODE=MSCRM0005_003
   error "$ERROR_CODE : Input file $1 is not available";
   exit 1
fi
else
echo "usage : $usage";
fi

I want a help in writting a get_input_file function which checks for file name format.
My input file name format is MIG_CR_<TYPE>_<TIMESTAMP>.<EXT>

get_input_file()
{
FILE = '$1'
#checking file exist or not
if [ ! -f $FILE ]; then
   echo "$FILE : does not exists"
   exit 1
elif [ ! -r $FILE ]; then
   echo "$FILE: can not read"
   exit 2
fi
// TO do
// check file name format is correct or not
}

Can anyone tell me how can I check the format of file name?
Please help me out. Thanks in advance.