Shell Programming and Scripting

.
|--summit
|    |----xpnldetails
|    |----trades
|    |----svar
|    |  |------checksum
|    |----xpnl
|    |----adjustment
|    |        |------summit
|    |        |------ap
|    |----risks
|    |----hypopnl
|    |----fxeffect
|    |----audittrail
|    |----xpnlmarket

Choice  Filename                                               Total Files: 43
===============================================================================
   1.   ap_pagination.sh
   2.   ap_reboot_services.sh
   3.   ap_sod.sh
   4.   archive.sh
   5.   bookstructure_eod.sh
   6.   call_pagination_main.sh
   7.   cashbalance_eod.sh
   8.   CheckBookStructure.sh
   9.   copy_cashbalance.sh
  10.   CopyFX.sh
  11.   createdirectory_eod.sh
  12.   CreateDirectory.sh
  13.   datediff.sh
  14.   filesorting.sh
  15.   fill_masklist.sh
  16.   fx_eod.sh
  17.   mytest_script_10.txt
  18.   mytest_script_11.txt
  19.   mytest_script_12.txt

[Choice+Enter=Select File, Enter=Next Page, 'x'=exit]
Action:

Choice  Foldername                                               Total Folder: xx
===============================================================================
1	  summit

[Choice+Enter=Select File, Enter=Next , - , 'x'=exit]

Choice  Foldername                                               Total Folder: xx
===============================================================================
1	  xpnldetails
2	  trades
3       svar
4       adjustment 
etc
[Choice+Enter=Select File, Enter=Next , summit,'p'+Enter=Previous,  'x'=exit]

Choice  Foldername                                               Total Folder: xx
===============================================================================
1	  summit
2	  ap
[Choice+Enter=Select File, Enter=Next , summit/adjustment,'p'+Enter=Previous,  'x'=exit]

Choice  Filename                                               Total Files: 43
===============================================================================
  20.   mytest_script_13.txt
  21.   mytest_script_14.txt
  22.   mytest_script_15.txt
  23.   mytest_script_16.txt
  24.   mytest_script_17.txt
  25.   mytest_script_18.txt
  26.   mytest_script_19.txt
  27.   mytest_script_1.txt
  28.   mytest_script_20.txt
  29.   mytest_script_21.txt
  30.   mytest_script_22.txt
  31.   mytest_script_23.txt
  32.   mytest_script_24.txt
  33.   mytest_script_25.txt
  34.   mytest_script_2.txt
  35.   mytest_script_3.txt
  36.   mytest_script_4.txt
  37.   mytest_script_5.txt
  38.   mytest_script_6.txt

[Choice+Enter=Select File, Enter=Next Page, summit/adjustment/ap, 'p'+Enter=Previous Page, 'x'=exit]
Action: x

BASEDIR=$1
RETURN="0"

if [[ ! -d ${BASEDIR} ]]; then
        clear
        printf "\n\n%s is not a valid input directory. Please provide a valid directory!\n\n" ${BASEDIR}
        unset BASEDIR
        return 1
fi

# Read files into Array
totFiles=1
for FILE in $(cd ${BASEDIR};ls -A)
do
        if [ -f ${BASEDIR}/${FILE} ]; then
                filesArray[${totFiles}]=${FILE}
                totFiles=`expr ${totFiles} + 1`
        fi
done

unset FILE

if [[ ${totFiles} -eq 1 ]]; then
        clear
        printf "\n\nDirectory %s is empty!\n\n" ${BASEDIR}
        unset BASEDIR
        return 1
fi

# Start display function / Pagination
# fetch the size of the window

sSize=$(resize | grep LINES= | awk -F= '{ print $2 }' | sed 's/;//g')
sSize=$(expr ${sSize} - 5)

skip=0
page=0
FILENAME=""

while [ "${skip}" == "0" ];
do
        dAction="continue"
        cpt=$(expr ${page} \* ${sSize})
        cpt=$(expr ${cpt} + 1)
        end=$(expr ${cpt} + ${sSize})

        clear
        printf "Choice  Filename                                          %20s\n" "Total Files: "${totFiles}
        printf "===============================================================================\n"

        while [ "${cpt}" != "${end}" ]
        do
                printf "%4s.   %s\n" ${cpt} ${filesArray[${cpt}]}
                cpt=$(expr ${cpt} + 1)

                if [ "${cpt}" == "${totFiles}" ]; then
                        dAction="end"
                        break
                fi
        done

        case ${dAction} in
        end)
                if [ "${page}" == "0" ]; then
                        printf "\n[Choice+Enter=Select File, 'x'=exit]\nAction: "
                else
                        printf "\n[Enter=Next Page, 'p'+Enter=Previous Page, 'x'=exit]\nAction: "
                fi;;
        *)      if [ "${page}" == "0" ]; then
                        printf "\n[Choice+Enter=Select File, Enter=Next Page, 'x'=exit]\nAction: "
                else
                        printf "\n[Choice+Enter=Select File, Enter=Next Page, 'p'+Enter=Previous Page, 'x'=exit]\nAction: "
                fi;;
        esac

        read answer

        if [ "${answer}" == "" ]; then
                answer="empty"
        fi

        answer=$(echo ${answer} | tr '[A-Z]' '[a-z]')

        case ${answer} in
        0)      page=0 ;;
        x)      RETURN="1"
                break;;
        p)      page=$(expr ${page} - 1)
                if [ "${page}" == "-1" ]; then
                        page="0"
                fi;;
        *)      choice=$(echo ${answer} ${totFiles} | awk '{
                a=int($1);
                b=int($2);

                if (a>=b) print 0;
                else print a;
                }')

                if [ "${choice}" != "0" ]; then
                        FILENAME=${filesArray[${choice}]}

                        printf "\nFile '%s' has been selected, is this OK (Yes/<none>): " ${FILENAME}
                        read answer

                        answer=$(echo ${answer} | tr '[A-Z]' '[a-z]')
                        if [ "${answer}" == "yes" ] || [ "${answer}" == "y" ]; then
                                FILENAME=${FILENAME}
                                skip="1"
                        else
                                FILENAME=""
                        fi
                fi

                if [ "${dAction}" != "end" ]; then
                        page=$(expr ${page} + 1)
                fi;;
        esac
done

unset skip
unset sSize
unset cpt
unset end
unset answer
unset choice
unset dAction
unset page
unset BASEDIR

return ${RETURN}