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Full Discussion: Help needed on wrapper script
Top Forums Shell Programming and Scripting Help needed on wrapper script Post 302901058 by MadeInGermany on Sunday 11th of May 2014 11:17:22 AM
Old 05-11-2014
Once you have the format assured, you can verify the date with the cal command.
Code:
            echo "enter the loadings date in YYYYMMDD format: "
            read dt
       
            # validates the date format
            echo "$dt" | grep -E -q '^201[1-9](0[1-9]|1[0-2])(0[1-9]|[12][0-9]|3[01])$'
            if [[ $? -ne 0 ]]; then
                   echo "========================================================================="
                   echo "Please enter the date in YYYYMMDD format. Terminating...No action done..."
                   exit
            else
                   year=${dt%????}
                   md=${dt#????}
                   month=${md%??}
                   day=${md#??}
                   cal $month $year | grep -q -w $((day))
                   if [[ $? -ne 0 ]]; then
                        echo "This date does not exist. Terminating...No action done." 
                        exit
                   else
                        .${HOME}/dbscripts/set_date.ksh $dt &
                        .${HOME}/dbscripts/data_load.ksh $file & 
                   fi
            fi

NB I have removed the double [ from the ERE that would allow a [ character in the input.
This User Gave Thanks to MadeInGermany For This Post:
Don Cragun
 

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LEARN ABOUT DEBIAN

ikisite-wrapper

ikisite-wrapper(1)					      General Commands Manual						ikisite-wrapper(1)

NAME

       ikisite-wrapper - suid wrapper for ikisite

SYNOPSIS

       ikisite-wrapper subcommand options

DESCRIPTION

       ikisite-wrapper is a wrapper around ikisite. It is designed to be safely made suid root, though it is not currently suid by default.

       A  few  ikisite subcommands can be run using the wrapper without any authorisation at all. These include: create, branch, list, sitelookup,
       checklock, updatecustomersite, and enabledns. So making the wrapper suid allows any user to create a site.

       Other ikisite subcommands can only be run using the wrapper by users who specify a nonce in the IKISITE_NONCE environment  variable.  These
       include: delete, changesetup, domains, and deletenonce.

       A  site's  current  nonces  are stored in its .ikisite-nonce file. A nonce can be generated by root or the site's user via using the creat-
       enonce subcommand, but it's usually generated by passing --createnonce to the create or branch subcommands. This allows anyone to create or
       branch a site and then use the nonce to allow further configuration of it (and delete it if something goes wrong).

       Subcommands that can be called by the wrapper either without or with a nonce should be sure to fully validate their inputs.

SEE ALSO

       ikisite(1)

AUTHOR

       Joey Hess <joey@ikiwiki.info>

																ikisite-wrapper(1)
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