Shell Programming and Scripting

    #!/usr/bin/bash
    find ./ -type f \( -iname "*.xml" \) | sort -n > fileList
    sed -i '/\.\/fileList/d' fileList
    NAMEOFTHISFILE=$(echo $0|sed -e 's/[]\/()$*.^|[]/\\&/g')
    sed -i "/$NAMEOFTHISFILE/d" fileList
    cp fileList auxFileList
    while read FILENAME
    do
        sed -i '1d' auxFileList
        #echo "Comparing $FILENAME with :"
        #Read the aux file and compare current file with every other element in the file
        while read COMPFILENAME
        do
            RETURN=$(diff $FILENAME $COMPFILENAME)
            if [ "$RETURN" == "" ]
            then
            cat $FILENAME | awk ' BEGIN { FS="_" } { printf( "%03d\n",$2) }' | sort | awk ' { printf( "data_%d_box\n", $1)  }'
             #echo "$FILENAME AND $COMPFILENAME are identical"
             #rm -r $FILENAME
            fi
            #echo "  $COMPFILENAME"
        done<auxFileList
    done<fileList
    rm fileList auxFileList &>/dev/null
    printf '\n\n'

    File 1: AAA_555_0000 
    File 2: AAAA_123_123 
    File 3: AAAA_452_452 [latest]
    
    File 4: BBB_555_0000 
    File 5: BBB_555_555 
    File 6: BBB_999_999 [latest]
    
    File 7: CCC_555_0000 
    File 8: CCC_000_000 
    File 9: CCC_000_111 [latest]

./ARCZ00300_010117_1504690829222.xml
./ARCZ00300_010117_1507101655366.xml [latest]
./ARCZ00301_010117_1504691829478.xml
./ARCZ00301_010117_1507101655591.xml  [latest]
./ARCZ00302_010117_1504691451495.xml
./ARCZ00302_010117_1507101656182.xml  [latest]
./ARCZ00303_010117_1504691526615.xml
./ARCZ00303_010117_1507101657147.xml  [latest]
./ARCZ00304_010117_1504691981689.xml
./ARCZ00304_010117_1507101657249.xml  [latest]
./ARCZ00305_010117_1507101657610.xml
./ARCZ00306_010117_1507101658585.xml
./ARCZ00307_010117_1504691981668.xml
./ARCZ00307_010117_1507101658940.xml  [latest]
./ARCZ00577_010117_1504692004529.xml
./ARCZ00580_010117_1504691562602.xml
./ARCZ00580_010117_1507101892930.xml  [latest]

#!/bin/bash
ls -r *.xml | while read -r file
do      if [ "$last" = "${file%%_*}" ]
        then    echo rm "$file"
        else    last=${file%%_*}
        fi
done