Question from a newbie. How to redirect standard output Post: 302128961

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Hi guys, i have a script named purgeErrors.ksh, when i execute this script i need to redirect the output to a log file in the same directory, how can i do that ?? -- Aditya

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Redirect Standard Error to /dev/null is not working.

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I ran the following command. cat abc.c > abc.c I got message the following message from command cat: cat: abc.c : input file is same as the output file How the command came to know of the destination file name as the command is sending output to standard file.

LEARN ABOUT SUNOS

console

console(7D)							      Devices							       console(7D)

NAME

       console - STREAMS-based console interface

SYNOPSIS

       /dev/console

DESCRIPTION

       The  file  /dev/console refers to the system console device. /dev/console should be used for interactive purposes only. Use of /dev/console
       for logging purposes is discouraged; syslog(3C) or msglog(7D) should be used instead.

       The identity of this device depends on the EEPROM or NVRAM settings in effect at the most recent system	reboot;  by  default,  it  is  the
       ``workstation  console'' device consisting of the workstation keyboard and frame buffer acting in concert to emulate an ASCII terminal (see
       wscons(7D)).

       Regardless of the system configuration, the console device provides  asynchronous serial driver semantics so that, in conjunction with  the
       STREAMS line discipline module ldterm(7M), it supports the termio(7I) terminal interface.

SEE ALSO

       syslog(3C), termios(3C), ldterm(7M), termio(7I), msglog(7D), wscons(7D)

NOTES

       In  contrast  to  pre-SunOS 5.0 releases, it is no longer possible to redirect I/O intended for /dev/console to some other device. Instead,
       redirection now applies to the workstation console device using a revised programming interface (see wscons(7D)). Since the system  console
       is normally configured to be the work station console, the overall effect is largely unchanged from previous releases.

       See  wscons(7D)	for  detailed  descriptions  of  control  sequence  syntax, ANSI control functions, control character functions and escape
       sequence functions.

SunOS 5.10							    23 Apr 1999 						       console(7D)

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