diff options
Diffstat (limited to 'doc/info.n')
| -rw-r--r-- | doc/info.n | 55 |
1 files changed, 30 insertions, 25 deletions
@@ -7,7 +7,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: info.n,v 1.21 2007/10/26 20:11:53 dgp Exp $ +'\" RCS: @(#) $Id: info.n,v 1.22 2007/10/29 01:42:18 dkf Exp $ '\" .so man.macros .TH info n 8.4 Tcl "Tcl Built-In Commands" @@ -23,7 +23,7 @@ info \- Return information about the state of the Tcl interpreter .PP This command provides information about various internals of the Tcl interpreter. -The legal \fIoption\fR's (which may be abbreviated) are: +The legal \fIoption\fRs (which may be abbreviated) are: .TP \fBinfo args \fIprocname\fR Returns a list containing the names of the arguments to procedure @@ -39,8 +39,8 @@ Returns a count of the total number of commands that have been invoked in this interpreter. .TP \fBinfo commands \fR?\fIpattern\fR? -If \fIpattern\fR isn't specified, -'\" Do not move this .VS above the .TP +If \fIpattern\fR is not specified, +.\" Do not move this .VS above the .TP .VS 8.5 returns a list of names of all the Tcl commands visible (i.e. executable without using a qualified name) to the current namespace, @@ -58,23 +58,23 @@ If \fIpattern\fR is a qualified name, the resulting list of command names has each one qualified with the name of the specified namespace, and only the commands defined in the named namespace are returned. -'\" Technically, most of this hasn't changed; that's mostly just the -'\" way it always worked. Hardly anyone knew that though. +.\" Technically, most of this hasn't changed; that's mostly just the +.\" way it always worked. Hardly anyone knew that though. .VE 8.5 .TP \fBinfo complete \fIcommand\fR Returns 1 if \fIcommand\fR is a complete Tcl command in the sense of having no unclosed quotes, braces, brackets or array element names. -If the command doesn't appear to be complete then 0 is returned. +If the command does not appear to be complete then 0 is returned. This command is typically used in line-oriented input environments to allow users to type in commands that span multiple lines; if the -command isn't complete, the script can delay evaluating it until additional +command is not complete, the script can delay evaluating it until additional lines have been typed to complete the command. .TP \fBinfo default \fIprocname arg varname\fR \fIProcname\fR must be the name of a Tcl command procedure and \fIarg\fR must be the name of an argument to that procedure. If \fIarg\fR -doesn't have a default value then the command returns \fB0\fR. +does not have a default value then the command returns \fB0\fR. Otherwise it returns \fB1\fR and places the default value of \fIarg\fR into variable \fIvarname\fR. .TP @@ -98,12 +98,16 @@ gives a level relative to the current command (0 refers to the current command, i.e., \fBinfo frame\fR itself, -1 to its caller, and so on). .sp This is similar to how \fBinfo level\fR works, except that this -subcommand reports all frames, like \fBsource\fR'd scripts, -\fBeval\fR's, \fBuplevel\fR's, etc. +subcommand reports all frames, like \fBsource\fRd scripts, +\fBeval\fRs, \fBuplevel\fRs, etc. .sp -Note that for nested commands, like "foo [[bar [[x]]]]" only "x" will -be seen by an \fBinfo frame\fR invoked within "x". This is the same as -for \fBinfo level\fR and error stack traces. +Note that for nested commands, like +.QW "foo [[bar [[x]]]]" , +only +.QW x +will be seen by an \fBinfo frame\fR invoked within +.QW x . +This is the same as for \fBinfo level\fR and error stack traces. .sp The result dictionary may contain the keys listed below, with the specified meanings for their values: @@ -189,14 +193,14 @@ counted relative to the start of each word (smallest scope) .RE .TP \fBinfo functions \fR?\fIpattern\fR? -If \fIpattern\fR isn't specified, returns a list of all the math +If \fIpattern\fR is not specified, returns a list of all the math functions currently defined. If \fIpattern\fR is specified, only those functions whose name matches \fIpattern\fR are returned. Matching is determined using the same rules as for \fBstring match\fR. .TP \fBinfo globals \fR?\fIpattern\fR? -If \fIpattern\fR isn't specified, returns a list of all the names +If \fIpattern\fR is not specified, returns a list of all the names of currently-defined global variables. Global variables are variables in the global namespace. If \fIpattern\fR is specified, only those names matching \fIpattern\fR @@ -245,7 +249,7 @@ To get a list of just the packages in the current interpreter, specify an empty string for the \fIinterp\fR argument. .TP \fBinfo locals \fR?\fIpattern\fR? -If \fIpattern\fR isn't specified, returns a list of all the names +If \fIpattern\fR is not specified, returns a list of all the names of currently-defined local variables, including arguments to the current procedure, if any. Variables defined with the \fBglobal\fR, \fBupvar\fR and @@ -264,7 +268,7 @@ Returns the value of the global variable \fBtcl_patchLevel\fR; see the \fBtclvars\fR manual entry for more information. .TP \fBinfo procs \fR?\fIpattern\fR? -If \fIpattern\fR isn't specified, returns a list of all the +If \fIpattern\fR is not specified, returns a list of all the names of Tcl command procedures in the current namespace. If \fIpattern\fR is specified, only those procedure names in the current namespace @@ -290,7 +294,7 @@ Otherwise the command returns an empty string. \fBinfo sharedlibextension\fR Returns the extension used on this platform for the names of files containing shared libraries (for example, \fB.so\fR under Solaris). -If shared libraries aren't supported on this platform then an empty +If shared libraries are not supported on this platform then an empty string is returned. .TP \fBinfo tclversion\fR @@ -298,7 +302,7 @@ Returns the value of the global variable \fBtcl_version\fR; see the \fBtclvars\fR manual entry for more information. .TP \fBinfo vars\fR ?\fIpattern\fR? -If \fIpattern\fR isn't specified, +If \fIpattern\fR is not specified, returns a list of all the names of currently-visible variables. This includes locals and currently-visible globals. If \fIpattern\fR is specified, only those names matching \fIpattern\fR @@ -313,7 +317,9 @@ If \fIpattern\fR is a qualified name, the resulting list of variable names has each matching namespace variable qualified with the name of its namespace. -Note that a currently-visible variable may not yet "exist" if it has not +Note that a currently-visible variable may not yet +.QW exist +if it has not been set (e.g. a variable declared but not set by \fBvariable\fR). .SH EXAMPLE This command prints out a procedure suitable for saving in a Tcl @@ -339,7 +345,6 @@ proc printProc {procName} { global(n), proc(n) .SH KEYWORDS command, information, interpreter, level, namespace, procedure, variable - -'\" Local Variables: -'\" mode: nroff -'\" End: +.\" Local Variables: +.\" mode: nroff +.\" End: |