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Full Discussion: Shell Scripts (Renaming file names with sequential numbers)
Top Forums Shell Programming and Scripting Shell Scripts (Renaming file names with sequential numbers) Post 302527950 by thebeno on Monday 6th of June 2011 06:11:06 AM
Old 06-06-2011
Shell Scripts (Renaming file names with sequential numbers)
Hi there,

Firstly, I have no experience with shell scripts so would really appreciate some help.

I have the following shell script that is causing some problems:

Code:
moveit()
{
    [ ${DEBG} = "1" ] && set -x

    if [ -f ${JOURNAL}.${ASOF_DATE} ]  
    then
        DOUBLE_DELIVERY=$(grep "${SW_ID}.*${P_DIR}.*${TARGET_NAME}.*${N_OF_REC}.*${SZ_KI}" ${JOURNAL}.${ASOF_DATE})
    fi
    if [ ! -z $DOUBLE_DELIVERY ]
    then
        LOC_TAG="ASIFUNC_01"
        ERROR_MSG="File $2 was sent already" 
        msg_error ${ERROR_MSG} && temp_err_handler FI_DBLE
    fi

    LOC_TAG="ASIFUNC_02" 
    ERROR_MSG="Destination $2 already exists" 
    ls "$2" >/dev/null 2>&1 && msg_error ${ERROR_MSG} && temp_err_handler FI_EXST
    msg_message "\"$1\" has been moved to \"$2\""
    mv "$1" "$2"
    if [ "$?" -ne "0" ] 
    then
        LOC_TAG="ASIFUNC_03"
        ERROR_MSG="Can't move file $1 to $2"
        msg_error ${ERROR_MSG}
        temp_err_handler MV_FILE
    else
        chmod 660 $2
        chgrp ggearch $2
        STATUS_MSG="OK"

        USEFUL_VALUE=`echo $ASOF_DATE | grep '^20..[0-1][0-9][0-3][0-9]'` 
        if [ ! -z $USEFUL_VALUE ]
        then
        if [ ! -f ${JOURNAL}.${ASOF_DATE} ] 
            then
                createFile ${JOURNAL}.${ASOF_DATE} 
            fi
            echo "${SW_ID} ${P_DIR} ${TARGET_NAME} ${N_OF_REC} ${SZ_KI} ${NOW} ${SCRIPT_INDX} ${P_ASIFTYP}">> ${JOURNAL}.${ASOF_DATE}
        else
            msg_message "Could not generate a Journal file for $2"
        fi
        logStatus
    fi
}
#

The problem is, the current setup is causing problems when we have duplicate archiving retrievals, as I can see the log file being written does not allow duplicate entries with the same. I need to change this by creating a sequential number and renaming the file with say _1, then the next file can be called _2. This would enable us to retrieve an archiving period as many times as we need to without the errors.

I would propose to delete the first statement:
Code:
if [ -f ${JOURNAL}.${ASOF_DATE} ] 
    then
        DOUBLE_DELIVERY=$(grep "${SW_ID}.*${P_DIR}.*${TARGET_NAME}.*${N_OF_REC}.*${SZ_KI}" ${JOURNAL}.${ASOF_DATE})
    fi
    if [ ! -z $DOUBLE_DELIVERY ]
    then
        LOC_TAG="ASIFUNC_01"
        ERROR_MSG="File $2 was sent already" 
        msg_error ${ERROR_MSG} && temp_err_handler FI_DBLE
    fi

then I would place the command in the lower part of the code. However, I am unsure of any shell commands, I have written in bold below the logical explanation of what I want to achieve, if there's someone that can help with the code it would be greatly appreciated.

Code:
else
        chmod 660 $2
        chgrp ggearch $2
        STATUS_MSG="OK"

        USEFUL_VALUE=`echo $ASOF_DATE | grep '^20..[0-1][0-9][0-3][0-9]'` 
        if [ ! -z $USEFUL_VALUE ]
        then
        if [ ! -f ${JOURNAL}.${ASOF_DATE} ] 
            then
                createFile ${JOURNAL}.${ASOF_DATE}._1 
            fi
            echo "${SW_ID} ${P_DIR} ${TARGET_NAME} ${N_OF_REC} ${SZ_KI} ${NOW} ${SCRIPT_INDX} ${P_ASIFTYP}">> ${JOURNAL}.${ASOF_DATE}
        else

if file name ends in "_1"
then rename file (_1 + 1) i.e. _2
if file name ends in "_2"
then rename file (_2 + 1) i.e. _3 and so on.....  
end 

            msg_message "Could not generate a Journal file for $2" 
        fi
        logStatus
    fi

Last edited by Franklin52; 06-06-2011 at 07:15 AM.. Reason: Please use code tags
 

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