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Diffstat (limited to 'tcl8.6/doc/continue.n')
| -rw-r--r-- | tcl8.6/doc/continue.n | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tcl8.6/doc/continue.n b/tcl8.6/doc/continue.n new file mode 100644 index 0000000..17d16b4 --- /dev/null +++ b/tcl8.6/doc/continue.n @@ -0,0 +1,47 @@ +'\" +'\" Copyright (c) 1993-1994 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 continue n "" Tcl "Tcl Built-In Commands" +.so man.macros +.BS +'\" Note: do not modify the .SH NAME line immediately below! +.SH NAME +continue \- Skip to the next iteration of a loop +.SH SYNOPSIS +\fBcontinue\fR +.BE +.SH DESCRIPTION +.PP +This command is typically invoked inside the body of a looping command +such as \fBfor\fR or \fBforeach\fR or \fBwhile\fR. +It returns a 4 (\fBTCL_CONTINUE\fR) result code, which causes a continue +exception to occur. +The exception causes the current script to be aborted +out to the innermost containing loop command, which then +continues with the next iteration of the loop. +Catch exceptions are also handled in a few other situations, such +as the \fBcatch\fR command and the outermost scripts of procedure +bodies. +.SH EXAMPLE +.PP +Print a line for each of the integers from 0 to 10 \fIexcept\fR 5: +.PP +.CS +for {set x 0} {$x<10} {incr x} { + if {$x == 5} { + \fBcontinue\fR + } + puts "x is $x" +} +.CE +.SH "SEE ALSO" +break(n), for(n), foreach(n), return(n), while(n) +.SH KEYWORDS +continue, iteration, loop +'\" Local Variables: +'\" mode: nroff +'\" End: |