📄 st_promo.ado
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*! version 6.0.0 24jul1998
program define st_promo
/* promote ver. 1 to ver. 2 */
/* dataset known to be st ver. 1 */
confirm new var _t _t0 _d _st
nobreak {
char _dta[st_bt] "`_dta[st_t]'"
char _dta[st_bt0] "`_dta[st_t0]'"
char _dta[st_bd] "`_dta[st_d]'"
char _dta[st_bs] "1"
quietly {
local type : type `_dta[st_t]'
gen `type' _t = `_dta[st_bt]'
compress _t
if "`_dta[st_bt0]'"!="" {
local type : type `_dta[st_bt0]'
gen `type' _t0 = `_dta[st_bt0]'
compress _t0
}
else gen byte _t0 = 0
if "`_dta[st_bd]'"!="" {
gen byte _d = `_dta[st_bd]'!=0
}
else gen byte _d = 1
gen byte _st = 1
}
char _dta[st_t] "_t"
char _dta[st_t0] "_t0"
char _dta[st_d] "_d"
char _dta[st_ver] 2
}
exit
end
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