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tclout ⚬ˣˢᵖᵉᶜ｜docu｜1st｜20251021185603-00-⌔

tclout

tclout

create tcl variables from current state

Write internal xspec data to a tcl variable. This facility allows the manipulation of xspec data by tcl scripts, so that one can, for example, extract data from xspec runs and store in output files, format xspec output data as desired, use independent plotting software, etc.

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tclout creates the tcl variable $xspec_tclout, which can then of course be set to any named variable. The allowed values of are:

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Examples:

XSPEC12>data file1
XSPEC12> model pha(po)
...
XSPEC12> fit
...
XSPEC12>tclout stat
XSPEC12>scan $xspec_tclout "%f" chistat
XSPEC12>tclout param 1
XSPEC12>scan $xspec_tclout "%f"par2
XSPEC12>tclout param 2
XSPEC12>scan $xspec_tclout "%f"par3
XSPEC12>tclout param 3

In this example, scan is a tcl command that does a formatted read of the variable $xspe{c}_{t}clout.Itreadsthefirstfloatingpointnumberintothevariablegivenbythelastargumentontheline.Thissequencecreatesasimplemodel,fitsit,andthenwritesthe$\chi^2$statisticandthethreeparameterstotclvariables$chistat, $par1,$par2, and $par3. These can now be manipulated in any way permitted by tcl. Examples of using tclout and tcloutr can be found in the Xspec/src/scripts directory.

Printed 2026-06-28.

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