UNIX for Dummies Questions & Answers

 build_file_list ()
  {
  FOLDER=${1}
  if [ -d ${FOLDER} ]
  then
    ##build find statement
    SEARCH_STMT="find ${FOLDER} -type f ! -name \".*\" -mtime -${RETENTION} | egrep -vf ${SKIP_FILE}"
    ##SEARCH_STMT="find ${FOLDER} -type f ! -name \".*\" -mtime -${RETENTION}"
    ##find out if folder is serial or mfx
    #echo ${FOLDER}
    echo ${FOLDER} | grep /mfs/ >/dev/null
    if [ $? -eq 0 ] 
    then
      ##folder is mfs, write to temp_mfs file              
                  echo ${SEARCH_STMT} >> ${TEMP_MFS}
    else
      ##folder is serial, write to temp_serial file
                  echo ${SEARCH_STMT} 
                  ${SEARCH_STMT} >> ${TEMP_SERIAL}
    fi
  fi
  }

 find /usr/app/etl/01/OTH/log/tra -type f ! -name ".*" -mtime -10 | egrep -vf /usr/app/etl/01/CLE/par/files_to_skip.par

 find /usr/app/etl/01/OTH/log/log -type f ! -name ".*" -mtime -10 | egrep -vf /usr/app/etl/01/CLE/par/files_to_skip.par
  find: bad option |
  find: [-H | -L] path-list predicate-list

 
bash-3.00$ a="ls | grep txt"
 
bash-3.00$ echo $a
ls | grep txt
 
bash-3.00$ ${a}
|: No such file or directory
grep: No such file or directory
txt: No such file or directory
 
bash-3.00$ a="ls | grep txt"
 
bash-3.00$ eval $a
new.txt
old.txt