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Full Discussion: Redirecting output to file
Top Forums Shell Programming and Scripting Redirecting output to file Post 302982235 by Don Cragun on Tuesday 27th of September 2016 01:47:55 AM
Old 09-27-2016
Quote:
Originally Posted by karthik771
Hi,
Below is the script.I have declared variable for check.log .I am using echo to set for the document
Code:
echo "-------------File Check------------------" > check.kog

-This is not working in script but working in terminal.
Code:
BackupFile=$(find </path/>*.fnr -type f -mtime -1 -print )
content=$(tail -20 "$BackupFile")
echo $content > check.log

Thanks,
Karthik
What shell are you using?

What operating system are you using?

Exactly how are you invoking your shell script? Did you get any error messages when you invoked your shell script? (If so, exactly what diagnostics were produced?)

There are some syntax errors in your script that makes me very surprised that it works when you type it into a terminal session. Since you are redirecting the output from find into a file (assuming there is only one) with the filename extension .fnr, the variable BackupFile will be an empty string.
 

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LEARN ABOUT OSF1

script

script(1)						      General Commands Manual							 script(1)

NAME

       script - Makes a transcript of terminal session

SYNOPSIS

       script [-a] [file]

       The script command makes a transcript of everything printed on your terminal.

OPTIONS

       Appends the transcript to file rather than writing it to file.

OPERANDS

       The name of an output file that will contain the transcript of the session.  If this parameter is omitted, the file typescript is written.

DESCRIPTION

       The transcript is written to file, or appended to file if the -a option is given.  If no file name is given, the transcript is saved in the
       file typescript.

       The script ends when the forked shell exits.

       This program is useful when you are using a CRT and want a hard-copy record of the dialog (for example, a technical writer might create	an
       example of a working session this way).

       If you specify the -a option and the file does not exist, it is created.

       If you do not specify the -a option and the file exists, it is replaced.

RESTRICTIONS

       The  script command requires a streams based terminal.  In single user mode, streams may not be enabled.  Under these circumstances, script
       will exit with no action.  If you are the superuser and need to run this command in single user mode, use the  following  special  instruc-
       tions.

   Enabling Streams
       If it is necessary to enable a streams environment in the single user mode, enter the command /sbin/init.d/streams.  This command is avail-
       able to the superuser only.

SEE ALSO

       Commands:  autopush(8), cat(1), echo(1), strsetup(8), tee(1)

       System Administration

																	 script(1)
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