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Man Pages


Manual Reference Pages  -  TCL_RECORDANDEVALOBJ (3)

NAME

Tcl_RecordAndEvalObj - save command on history list before evaluating

CONTENTS

Synopsis
Arguments
Description
Keywords

SYNOPSIS

#include <tcl.h>

int Tcl_RecordAndEvalObj(interp, cmdPtr, flags)

ARGUMENTS


.TP 15 Tcl_Interp *interp (in)
Tcl_Interp*interp Tcl_Interp Tcl interpreter in which to evaluate command.
.TP 15 Tcl_Obj *cmdPtr (in)
Tcl_Obj   *cmdPtr Tcl_Obj Points to a Tcl object containing a command (or sequence of commands) to execute.
.TP 15 int flags (in)
int       flags int An OR’ed combination of flag bits. TCL_NO_EVAL means record the command but do not evaluate it. TCL_EVAL_GLOBAL means evaluate the command at global level instead of the current stack level.

   








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DESCRIPTION

Tcl_RecordAndEvalObj is invoked to record a command as an event on the history list and then execute it using Tcl_EvalObjEx (or Tcl_GlobalEvalObj if the TCL_EVAL_GLOBAL bit is set in flags). It returns a completion code such as TCL_OK just like Tcl_EvalObjEx, as well as a result object containing additional information (a result value or error message) that can be retrieved using Tcl_GetObjResult. If you do not want the command recorded on the history list then you should invoke Tcl_EvalObjEx instead of Tcl_RecordAndEvalObj. Normally Tcl_RecordAndEvalObj is only called with top-level commands typed by the user, since the purpose of history is to allow the user to re-issue recently invoked commands. If the flags argument contains the TCL_NO_EVAL bit then the command is recorded without being evaluated.

SEE ALSO

Tcl_EvalObjEx, Tcl_GetObjResult

KEYWORDS

command, event, execute, history, interpreter, object, record
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Tcl TCL_RECORDANDEVALOBJ (3) 8.0

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