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Fortran 77 converting string to array of strings

Fortran 77 converting string to array of strings

Fortran 77 converting string to array of strings

(OP)
I have been given the task converting some Fortran 77 code.  I have a main program that calls a subroutine like so:

CODE

CALL GOD1D(GASP(IFPTN),...)
Now, GASP is a large string array, so it should be passing a single element of position IFPTN, which is a string.  The GOD1D subroutine looks like:

CODE

SUBROUTINE GOD1D(GAS,...)
In the GOD1D there is a dimension statement like so:

CODE

CHARACTER*3 GAS(1:799)
So, it appears that this dimension statement converts a passed single string into an array of a specified length and also populates the entire array with the same string value.  Is that how the process will always work?  I have several variables that seem to under go this same system.  Thanks for your help.

RE: Fortran 77 converting string to array of strings

Declare GAS as

CODE

CHARACTER *(*) GAS

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