debian man page for exit

Query: exit

OS: debian

Section: 3tcl

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

exit(3tcl)						       Tcl Built-In Commands							exit(3tcl)

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NAME
exit - End the application
SYNOPSIS
exit ?returnCode? _________________________________________________________________
DESCRIPTION
Terminate the process, returning returnCode to the system as the exit status. If returnCode is not specified then it defaults to 0.
EXAMPLE
Since non-zero exit codes are usually interpreted as error cases by the calling process, the exit command is an important part of signaling that something fatal has gone wrong. This code fragment is useful in scripts to act as a general problem trap: proc main {} { # ... put the real main code in here ... } if {[catch {main} msg options]} { puts stderr "unexpected script error: $msg" if {[info exist env(DEBUG)]} { puts stderr "---- BEGIN TRACE ----" puts stderr [dict get $options -errorinfo] puts stderr "---- END TRACE ----" } # Reserve code 1 for "expected" error exits... exit 2 }
SEE ALSO
exec(3tcl)
KEYWORDS
exit, process Tcl exit(3tcl)
Related Man Pages
break(3tcl) - debian
eval(3tcl) - debian
lassign(3tcl) - debian
list(3tcl) - debian
puts(3tcl) - debian
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