The construct_version method source code

(1)

if $gzip -d < $1 > $2 ; then

(2)

exit $MGR_CONSTRUCT_USE_NEW_FILE

(3)

else

(4)

exit $MGR_FAILED

(5)

fi

In Line 1, the contents of source_container_pname are uncompressed and stored in the cleartext container, data_pname. The remaining lines return the appropriate value to the calling process, depending on the success or failure of the gzip command.