/*==================================================
project:       Get the hash of the cmd line
Author:        R.Andres Castaneda 
E-email:       acastanedaa@worldbank.org
url:           
Dependencies:  The World Bank
----------------------------------------------------
Creation Date:     4 May 2023 - 11:36:23
Modification Date:   
Do-file version:    01
References:          
Output:             
==================================================*/

/*==================================================
              0: Program set up
==================================================*/
program define cache_hash, rclass

    syntax [anything(name=subcmd)]   ///
    [,                   	   /// 
        pause                    ///
        clear                    ///
        replace                  ///
        force                    ///
        *                        ///
    ] 
    version 16.1


    /*==================================================
        1: get command call hash
    ==================================================*/
    if ("`subcmd'" == "get")  {
        cache_hash_get, `options'
        return add
        exit
    }



    /*==================================================
                2: 
    ==================================================*/


end

//------------ Get Hash based on string 
program define cache_hash_get, rclass
	syntax [anything(name=subcmd)], [   ///
	cmd_call(string)               ///
	PREfix(string)              ///
	]
	
	
	qui {
		if ("`prefix'" == "") local prefix = "_ch"
		tempname shash
		
		mata:  st_numscalar("`shash'", hash1(`"`cmd_call'"', ., 2)) 
		local hash = "`prefix'" + strofreal(`shash', "%12.0g")
		return local chhash = "`hash'"
	}
end




exit
/* End of do-file */

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