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107 lines
3.3 KiB
Plaintext
107 lines
3.3 KiB
Plaintext
9 months ago
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*! usesasdel Version 2.0 dan.blanchette@duke.edu 16Mar2009
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*! Center of Entrepreneurship and Innovation Duke University's Fuqua School of Business
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** shortdir Version 2.0 dan_blanchette@unc.edu 17Jan2008
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** research computing, unc-ch
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* - added check that if forward slashes used as dir separators
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* then that is handled by converting them to back slashes
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* - uses Nick Cox's way of loading a text file line by line
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* into a local macro instead of reading it in as a dataset
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** shortdir Version 1.1 dan_blanchette@unc.edu 28Oct2004
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* - added test that directory actually exists
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** shortdir Version 1.0 dan_blanchette@unc.edu 09Oct2003
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** the carolina population center, unc-ch
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program define shortdir, rclass
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version 8
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syntax using/ [, SHort ]
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confirmdir "`using'"
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if _rc !=0 {
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di `"{error}The directory "`using'" does not exist."'
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exit _rc
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}
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if "`c(os)'"=="Windows" {
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preserve
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local cwd "`c(pwd)'`macval(\\\)'"
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if "`using'"=="." {
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local using "`macval(cwd)'"
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}
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if "`using'"=="`cwd'" {
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quietly cd ..
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}
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// check if forward slashes used and replace them if so
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local subtest : subinstr local using `"/"' `""' , count(local cnt)
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if `cnt' != 0 {
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local using : subinstr local using "/" "\" , all
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}
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tokenize "`using'" , parse("\")
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local i=1
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while "``i''" !="" {
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if `i'==1 {
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local path "`1'"
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}
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else {
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if "`short'"=="short" { /* create macro that conditionally checks
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* for longer than 8 letter directory names */
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local gt8=(length("``i''")>8)
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local gt8="| `gt8'"
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}
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if index("``i''"," ") `gt8' { /* if sub dir name has space in name or maybe longer than 8 */
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tempfile temp
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_getfilename "`temp'"
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local tfilen "`r(filename)'"
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local tfileh=substr("`tfilen'",1,index("`tfilen'",".")-1) /* create file handle */
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quietly {
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cd "`path'\"
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// options /x and /a create a short directory listing
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// so `temp' is a very small, short file
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! dir /x /a "``i''"* > "`temp'"
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tempname in
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file open `in' using `"`temp'"', r
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file read `in' line
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local dline ""
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local dir "<DIR>"
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while r(eof) == 0 {
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// local line: subinstr local line "`old'" "`new'"
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file read `in' line
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if `: list local(dir) in local(line) ' {
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local dline `"`line'"'
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}
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}
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local gotit = 0
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local shortname ""
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local n = 1
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while `gotit' == 0 {
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local shortname : word `n' of `dline'
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if `: list local(shortname) == local(dir) ' {
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// the shortname of the subdir is the next word after "<DIR>"
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local shortname : word `= `n' + 1' of `dline'
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local gotit = 1
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}
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local n = `n' + 1
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}
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}
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local sdir`i'=trim(substr(`"`shortname'"',1,10))
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} /* end of if directory has a space */
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else {
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local sdir`i' "``i''"
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}
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if "``i''"!="\" {
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local path "`macval(path)'\\`sdir`i''"
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}
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} /* if not the beginning of the path, like c: */
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local i=`i'+1
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} /* end of while loop */
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quietly cd "`macval(cwd)'\\\"
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local shortdir="`path'"+"\"
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return local shortdir `shortdir'
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} /* end of if windows */
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else {
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di "{error}shortdir only works in Windoze."
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exit
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}
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end
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