UNIX for Dummies Questions & Answers

mv File.txt File_`egrep 'A756$|B234$|C987$' File.txt | cut -c 17-20 | head -1`.txt

$ cat pattern
A756
B234
C987

#!/usr/bin/bash

# script will check for the file pattern in "File" and if found creates a new file with File_Pattern

FILE=/home/wherever/File
cat /home/wherever/pattern | while read LINE
        do
        search=$(grep -c $LINE $FILE)
          if [ $search != 0 ]
                then
                echo "Pattern Found : $LINE"
                echo "renaming the File with File_$LINE"
                `mv /home/wherever/File /home/wherever/File_$LINE`
                exit
                else
                echo "did not find pattern"
                exit 1
          fi
        done

x=0
set -A STRING A756 B234 C987
while [ "$x" -le "${#STRING[*]} ]
do
  FIND=`echo "${STRING[$x]}"`
  grep -i $FIND <file_to_search>
  if [ "$FIND"  = "" ]
  then
     break
  else
     mv <file_to_search> $FIND_found.txt
  fi
done