11-08-2009
What do you mean by "get my compiler to work"? Perl scripts usually aren't compiled like C programs. Or do you get a syntax error? Because I can see 3 definite syntax errors in the code you provided (all in the first 3 code lines). That, plus your total price will be way off (hint: if you reverse something, you'll have to reverse it again to be right again), and your output won't look like you'll expect it to look.
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Quick Question, may be very easy to answer.
I've just got a Sparc 5 for my home with Solaris 2.6 pre installed onto it. When I go to use the Solaris Compiler 'cc' it comes back to me with the message '/usr/ucb/cc: language optional software package not installed'.
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Hi,
If you you have CC installed, then where does it defaultly lives.
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Hi,
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Hi all,
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hi,
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LEARN ABOUT OPENDARWIN
catch
catch(n) Tcl Built-In Commands catch(n)
__________________________________________________________________________________________________________________________________________________
NAME
catch - Evaluate script and trap exceptional returns
SYNOPSIS
catch script ?varName?
_________________________________________________________________
DESCRIPTION
The catch command may be used to prevent errors from aborting command interpretation. Catch calls the Tcl interpreter recursively to exe-
cute script, and always returns without raising an error, regardless of any errors that might occur while executing script.
If script raises an error, catch will return a non-zero integer value corresponding to one of the exceptional return codes (see tcl.h for
the definitions of code values). If the varName argument is given, then the variable it names is set to the error message from interpret-
ing script.
If script does not raise an error, catch will return 0 (TCL_OK) and set the variable to the value returned from script.
Note that catch catches all exceptions, including those generated by break and continue as well as errors. The only errors that are not
caught are syntax errors found when the script is compiled. This is because the catch command only catches errors during runtime. When
the catch statement is compiled, the script is compiled as well and any syntax errors will generate a Tcl error.
EXAMPLES
The catch command may be used in an if to branch based on the success of a script.
if { [catch {open $someFile w} fid] } {
puts stderr "Could not open $someFile for writing
$fid"
exit 1
}
The catch command will not catch compiled syntax errors. The first time proc foo is called, the body will be compiled and a Tcl error will
be generated.
proc foo {} {
catch {expr {1 +- }}
}
SEE ALSO
error(n), break(n), continue(n)
KEYWORDS
catch, error
Tcl 8.0 catch(n)