File redirection Post: 13008

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1. Shell Programming and Scripting

awk two file redirection

Hi, i use awk -F to print three variable delimited by comma $1 $2 $3 if $2=="" i want to extract this information missing from another file using awk -v + some process. but the problem i can't use the two awk together cause of redirection there's a solution. note: i can't use another...

2. Shell Programming and Scripting

Error file Redirection

Hello All, I was wondering is there any other way in Shell Scripting to redirect the errors to a output file inside a shell script with using a error status checking or a command line redirection. Say without doing this ksh test.ksh 2> error.txt or without doing this ... if ; then...

3. Shell Programming and Scripting

file redirection problem

my querry is suppose i have duplicate std i/p with FD-3 --exec 0<&3 now redirected std i/p to a file ----exec 0<file1 suppose i am reading the file line by line --while read LINE cutting some fields and comparing it with a variable and if a match is found ...

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fbackup redirection to a file.

Hi, I have a fbackup step as below /bin/nice /etc/fbackup -f /dev/rmt/0m -i / -I /opt/monitrol/tmp/Index.full Now the errors that i will get in case of the fbackup step, I want to redirect them to a file. Please help me how to redirect to a file. Thanks, Avik.

5. Shell Programming and Scripting

File redirection question

Hi all, I am working with the Grinder tool (unrelated to my question) to redirect the output of a program to a file as follows: java -cp $CLASSPATH net.grinder.TCPProxy > grinder.txt This is a proxy server which pipes output to a file. When I do something on my proxy, more and more goes to...

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Output file redirection

Suppose I have a file named a When I write cat a>a The following error message is displayed cat: a: input file is output file and my file a is truncated to zero size. Also the exit status of the last command is 1 Can someone tell me what actually happens when I do so?

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File Descriptor redirection and duplication

i have many questions concerning the FD. it was stated that "to redirect Error to output std, you have to write the following code" # ls -alt FileNotThere File > logfile 2>&1 # cat logfile ls: cannot access FileNotThere: No such file or directory -rw-r--r-- 1 root root 0 2010-02-26...

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LS redirection to a file in same folder

Hello, I need an input from you all. I want to redirect the output of 'ls' command to a file but the file should not display the output file name in it. scenario: ------------ $pwd /home/user1 $ls file1 file2 $ls > file3 $cat file3 file1 file2 file3 In this i dont wish...

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Output redirection of c binary file to a file in shell script is failing

I am struck up with a problem and that is with output redirection. I used all the ways for the redirection of the output of c binary to a file, still it is failing. Here are the different ways which I have used: ./a.out | tee -a /root/tmp.txt 2>&1 ./a.out | tee -a /root/tmp.txt 1>&1 ./a.out |...

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Problem with file redirection in while

I've got a problem with file redirection in bash, in loop while (in my script done < bufor.txt). In every consecutive iteration there's a possibility that to the bufor.txt will be added some lines. Unfortunately, in loop, added lines are ignored (for example: bufor.txt has 5 lines, in 3rd iteration...

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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)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

awk two file redirection

Discussion started by: kamel.seg

2. Shell Programming and Scripting

Error file Redirection

Discussion started by: maxmave

3. Shell Programming and Scripting

file redirection problem

Discussion started by: mobydick

4. Shell Programming and Scripting

fbackup redirection to a file.

Discussion started by: avik.nandi