On 2011-08-11 16:46-0400 David Cole wrote:
I share Alex's confusion with your proposed signature. All other string subcommands refer to either
"<string>" or "<input>" in their args
list. None of them have both "<string>" *and* "<input>".
Sorry I should have been more explicit. The current signatures for
REGEX et al are
string(REGEX MATCH <regular_expression>
<output variable> <input> [<input>...])
string(REGEX MATCHALL <regular_expression>
<output variable> <input> [<input>...])
string(REGEX REPLACE <regular_expression>
<replace_expression> <output variable>
<input> [<input>...])
string(REPLACE <match_string>
<replace_string> <output variable>
<input> [<input>...])
What I am suggesting for all of them is to make <input> [<input>...])
optional. When that is not supplied, the input would be taken
from "${<output variable>}" instead. And similarly for
string(APPEND or CONCAT "<string>" <output variable>
<input> [<input>...])
Hope that makes clear what I am proposing.
Alan
__________________________
Alan W. Irwin
Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).
Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of
Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
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Linux-powered Science
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