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Full Discussion: History command
Operating Systems Linux Red Hat History command Post 302768101 by ./hari.sh on Friday 8th of February 2013 03:11:53 AM
Old 02-08-2013
Add the following line to your .bashrc file

HISTCONTROL=ignorespace

By doing this, the commands you don't want to record in history can be escaped by adding a space in the beginning
 

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Tcl_RecordAndEval(3TCL) 				      Tcl Library Procedures					   Tcl_RecordAndEval(3TCL)

__________________________________________________________________________________________________________________________________________________

NAME
Tcl_RecordAndEval - save command on history list before evaluating SYNOPSIS
#include <tcl.h> int Tcl_RecordAndEval(interp, cmd, flags) ARGUMENTS
Tcl_Interp *interp (in) Tcl interpreter in which to evaluate command. CONST char *cmd (in) Command (or sequence of commands) to execute. int flags (in) An OR'ed combination of flag bits. TCL_NO_EVAL means record the command but don't evaluate it. TCL_EVAL_GLOBAL means evaluate the command at global level instead of the current stack level. _________________________________________________________________ DESCRIPTION
Tcl_RecordAndEval is invoked to record a command as an event on the history list and then execute it using Tcl_Eval (or Tcl_GlobalEval if the TCL_EVAL_GLOBAL bit is set in flags). It returns a completion code such as TCL_OK just like Tcl_Eval and it leaves information in the interpreter's result. If you don't want the command recorded on the history list then you should invoke Tcl_Eval instead of Tcl_RecordAn- dEval. Normally Tcl_RecordAndEval 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. Note that Tcl_RecordAndEval has been largely replaced by the object-based procedure Tcl_RecordAndEvalObj. That object-based procedure records and optionally executes a command held in a Tcl object instead of a string. SEE ALSO
Tcl_RecordAndEvalObj KEYWORDS
command, event, execute, history, interpreter, record ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWTcl | +--------------------+-----------------+ |Interface Stability | Uncommitted | +--------------------+-----------------+ NOTES
Source for Tcl is available on http://opensolaris.org. Tcl 7.4 Tcl_RecordAndEval(3TCL)
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