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Full Discussion: Redirection of output (for logging)
Top Forums Shell Programming and Scripting Redirection of output (for logging) Post 302098474 by _Spare_Ribs_ on Monday 4th of December 2006 12:22:29 PM
Old 12-04-2006
I looked at tee and this reads from standard input so when I execute the following -

Code:
tee -a test_file

it gives me a prompt to enter input which is then redirected to standard output and a log file called test_file.

I guess I didn't make it too clear, but in the example in my original post the echo commands are all in a long script. Example:

Code:
#!/bin/bash
#
# Test log script
#
declare LOG="AppRemove.log"

touch /$LOG

echo "This is the first line"
echo "This is the first line" >> /$LOG

echo "This is the second line"
echo "This is the second line" >> /$LOG
#
#....... and so on
#

 

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LEARN ABOUT CENTOS

logsave

LOGSAVE(8)						      System Manager's Manual							LOGSAVE(8)

NAME

       logsave - save the output of a command in a logfile

SYNOPSIS

       logsave [ -asv ] logfile cmd_prog [ ... ]

DESCRIPTION

       The  logsave  program  will  execute  cmd_prog with the specified argument(s), and save a copy of its output to logfile.  If the containing
       directory for logfile does not exist, logsave will accumulate the output in memory until it can be written out.	A copy of the output  will
       also be written to standard output.

       If  cmd_prog  is a single hyphen ('-'), then instead of executing a program, logsave will take its input from standard input and save it in
       logfile

       logsave is useful for saving the output of initial boot scripts until the /var partition is mounted,  so  the  output  can  be  written	to
       /var/log.

OPTIONS

       -a     This option will cause the output to be appended to logfile, instead of replacing its current contents.

       -s     This  option  will  cause  logsave  to  skip writing to the log file text which is bracketed with a control-A (ASCII 001 or Start of
	      Header) and control-B (ASCII 002 or Start of Text).  This allows progress bar information to be visible to the user on the  console,
	      while not being written to the log file.

       -v     This option will make logsave to be more verbose in its output to the user.

AUTHOR

       Theodore Ts'o (tytso@mit.edu)

SEE ALSO

       fsck(8)

E2fsprogs version 1.42.9					   December 2013							LOGSAVE(8)
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