diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/glob.n | 28 | ||||
| -rw-r--r-- | doc/incr.n | 25 | ||||
| -rw-r--r-- | doc/set.n | 28 |
3 files changed, 73 insertions, 8 deletions
@@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: glob.n,v 1.14 2004/03/17 18:14:12 das Exp $ +'\" RCS: @(#) $Id: glob.n,v 1.15 2004/04/30 22:45:56 dkf Exp $ '\" .so man.macros .TH glob n 8.3 Tcl "Tcl Built-In Commands" @@ -26,7 +26,6 @@ of the \fIpattern\fR arguments. If the initial arguments to \fBglob\fR start with \fB\-\fR then they are treated as switches. The following switches are currently supported: -.VS 8.3 .TP \fB\-directory\fR \fIdirectory\fR Search for files which match the given patterns starting in the given @@ -39,12 +38,10 @@ whose names may contain glob-sensitive characters. \fB\-join\fR The remaining pattern arguments are treated as a single pattern obtained by joining the arguments with directory separators. -.VE 8.3 .TP \fB\-nocomplain\fR Allows an empty list to be returned without error; without this switch an error is returned if the result list would be empty. -.VS 8.3 .TP \fB\-path\fR \fIpathPrefix\fR Search for files with the given \fIpathPrefix\fR where the rest of the name @@ -102,7 +99,6 @@ The following are equivalent: except that the first case doesn't return the trailing ``/'' and is more platform independent. .RE -.VE 8.3 .TP \fB\-\|\-\fR Marks the end of switches. The argument following this one will @@ -156,7 +152,6 @@ start with a tilde ``~'' (for example through \fBglob *\fR or ``./''. This means care must be taken if those names are later to be used with \fBfile join\fR, to avoid them being interpreted as absolute paths pointing to a given user's home directory. - .SH "PORTABILITY ISSUES" .PP Unlike other Tcl commands that will accept both network and native @@ -184,6 +179,27 @@ interpreted as a wildcard character. One solution to this problem is to use the Unix style forward slash as a path separator. Windows style paths can be converted to Unix style paths with the command \fBfile join $path\fR (or \fBfile normalize $path\fR in Tcl 8.4). +.SH EXAMPLES +Find all the Tcl files in the current directory: +.CS +glob *.tcl +.CE + +Find all the Tcl files in the user's home directory, irrespective of +what the current directory is: +.CS +glob \-directory ~ *.tcl +.CE + +Find all subdirectories of the current directory: +.CS +glob \-type d * +.CE + +Find all files whose name contains an "a", a "b" or the sequence "cde": +.CS +glob \-type f *{a,b,cde}* +.CE .SH "SEE ALSO" file(n) @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: incr.n,v 1.3 2000/09/07 14:27:48 poenitz Exp $ +'\" RCS: @(#) $Id: incr.n,v 1.4 2004/04/30 22:45:56 dkf Exp $ '\" .so man.macros .TH incr n "" Tcl "Tcl Built-In Commands" @@ -26,6 +26,29 @@ integer) is added to the value of variable \fIvarName\fR; otherwise 1 is added to \fIvarName\fR. The new value is stored as a decimal string in variable \fIvarName\fR and also returned as result. +.SH EXAMPLES +Add one to the contents of the variable \fIx\fR: +.CS +incr x +.CE + +Add 42 to the contents of the variable \fIx\fR: +.CS +incr x 42 +.CE + +Add the contents of the variable \fIy\fR to the contents of the +variable \fIx\fR: +.CS +incr x $y +.CE + +Add nothing at all to the variable \fIx\fR (often useful for checking +whether an argument to a procedure is actually numeric and generating +an error if it is not): +.CS +incr x 0 +.CE .SH "SEE ALSO" expr(n) @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: set.n,v 1.3 2000/09/07 14:27:51 poenitz Exp $ +'\" RCS: @(#) $Id: set.n,v 1.4 2004/04/30 22:45:56 dkf Exp $ '\" .so man.macros .TH set n "" Tcl "Tcl Built-In Commands" @@ -43,6 +43,32 @@ or local variable of the procedure unless the \fBglobal\fR command was invoked to declare \fIvarName\fR to be global, or unless a \fBvariable\fR command was invoked to declare \fIvarName\fR to be a namespace variable. +.SH EXAMPLES +Store a random number in the variable \fIr\fR: +.CS +set r [expr rand()] +.CE + +Store a short message in an array element: +.CS +set anAry(msg) "Hello, World!" +.CE + +Store a short message in an array element specified by a variable: +.CS +set elemName "msg" +set anAry($elemName) "Hello, World!" +.CE + +Copy a value into the variable \fIout\fR from a variable whose name is +stored in the \fIvbl\fR (note that it is often easier to use arrays in +practice instead of doing double-dereferencing): +.CS +set in0 "small random" +set in1 "large random" +set vbl in[expr {rand() >= 0.5}] +set out [set $vbl] +.CE .SH "SEE ALSO" expr(n), proc(n), trace(n), unset(n) |