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Diffstat (limited to 'tcl8.6/doc/incr.n')
| -rw-r--r-- | tcl8.6/doc/incr.n | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/tcl8.6/doc/incr.n b/tcl8.6/doc/incr.n deleted file mode 100644 index 9052c5a..0000000 --- a/tcl8.6/doc/incr.n +++ /dev/null @@ -1,61 +0,0 @@ -'\" -'\" Copyright (c) 1993 The Regents of the University of California. -'\" Copyright (c) 1994-1996 Sun Microsystems, Inc. -'\" -'\" See the file "license.terms" for information on usage and redistribution -'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. -'\" -.TH incr n "" Tcl "Tcl Built-In Commands" -.so man.macros -.BS -'\" Note: do not modify the .SH NAME line immediately below! -.SH NAME -incr \- Increment the value of a variable -.SH SYNOPSIS -\fBincr \fIvarName \fR?\fIincrement\fR? -.BE -.SH DESCRIPTION -.PP -Increments the value stored in the variable whose name is \fIvarName\fR. -The value of the variable must be an integer. -If \fIincrement\fR is supplied then its value (which must be an -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. -.PP -Starting with the Tcl 8.5 release, the variable \fIvarName\fR passed -to \fBincr\fR may be unset, and in that case, it will be set to -the value \fIincrement\fR or to the default increment value of \fB1\fR. -.SH EXAMPLES -.PP -Add one to the contents of the variable \fIx\fR: -.PP -.CS -\fBincr\fR x -.CE -.PP -Add 42 to the contents of the variable \fIx\fR: -.PP -.CS -\fBincr\fR x 42 -.CE -.PP -Add the contents of the variable \fIy\fR to the contents of the -variable \fIx\fR: -.PP -.CS -\fBincr\fR x $y -.CE -.PP -Add nothing at all to the variable \fIx\fR (often useful for checking -whether an argument to a procedure is actually integral and generating -an error if it is not): -.PP -.CS -\fBincr\fR x 0 -.CE -.SH "SEE ALSO" -expr(n), set(n) -.SH KEYWORDS -add, increment, variable, value |