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Top Forums Shell Programming and Scripting PERL - press Enter function hanging Post 302580325 by chris01010 on Thursday 8th of December 2011 06:49:07 AM
Old 12-08-2011
PERL - press Enter function hanging

Hi,

I have a sub function called pressEnter within my perl menu script which basically means that the script will await an interaction from the user before moving on.

Unfortunately when the script goes into pressEnter it just hangs (even if you press enter!!).

Any ideas on what could be causing this?

Code:
sub checkJob
{
system('clear');
print "The current Job Status is:\n\n";
      `./scriptlist.ksh 2`;
      open OUTPUT, "./output";
      undef $/;
      $_ = <OUTPUT>;
      ($var) = m/^(INTE.*PM)$/sm;
      print "$var\n\n";
      close OUTPUT;
      pressEnter();
    }
sub pressEnter
{
print "Press Return to continue\n\n";
      $dummy = <>;
      mainMenu();
}

I've included another sub function so you can see how it is called.
 

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print(1)							   User Commands							  print(1)

NAME
print - shell built-in function to output characters to the screen or window SYNOPSIS
ksh print [ -Rnprsu [n]] [arg...] DESCRIPTION
ksh The shell output mechanism. With no flags or with flag - or -, the arguments are printed on standard output as described by echo(1). OPTIONS
The following options are supported: -n suppresses new-line from being added to the output. -R -r (raw mode) ignore the escape conventions of echo. The -R option will print all subsequent arguments and options other than -n. -p causes the arguments to be written onto the pipe of the process spawned with |& instead of standard output. -s causes the arguments to be written onto the history file instead of standard output. -u [ n ] flag can be used to specify a one digit file descriptor unit number n on which the output will be placed. The default is 1. EXIT STATUS
The following exit values are returned: 0 Successful operation. >0 Output file is not open for writing. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
echo(1), ksh(1), attributes(5) SunOS 5.10 15 Apr 1994 print(1)
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