append an output file with two columns Post: 302463172

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Append output to file

Hi, I have a script below. It get's the data from the output of a script that is running hourly. My problem is every time my script runs, it deletes the previous data and put the current data. Please see output below. What I would like to do is to have the hourly output to be appended on the...

2. Shell Programming and Scripting

Append Output to another file in Perl

Hi All, I am writing a Perl script such that the output from "perl myscript.pl file1" to be appended to another file name called file2. I tried out with the below code but couldn't work. Can any expert give me some advice? open(OUTPUT, 'perl myscript.pl file1 |'); close OUTPUT;...

3. UNIX for Dummies Questions & Answers

Output to file but append rather than overwrite?

I am running a command which has a parameter that outputs the results to a file each time it is run. Here is the command: --fullresult=true > importlog.xml Can I add the output to the file rather than creating a new one which overwrites the existing one? If not can I make the file name...

4. UNIX for Dummies Questions & Answers

Append file with grep output but add timestamp?

I've setup a cron job that greps a file every five minutes and then writes (appends) the grep output/result to another file: grep "monkey" zoo.log | tail -1 >> cron-zoo-log Is there any way I can add the date and time (timestamp) to the cron-zoo-log file for each time a new line was added? ...

5. Shell Programming and Scripting

problem with print append to output file syntax

I'm trying to output the contents of the infile to the outfile using Append. I will want to use append but the syntax doesn't seem to be working ! Input file (called a.txt) contains this: a a a b b b I'm running shell script (called k.sh) from Unix command-line like this: ./k.sh ....

6. UNIX for Dummies Questions & Answers

Noob questions.. Append output to a file in different directory

Noob question! I know almost nothing so far, and I'm trying to teach myself from books, on a typical command line without using scripts how would I append output from a sort to a file in a completely different directory? example: If I'm sorting a file in my documents directory but I...

7. Shell Programming and Scripting

How to print and append output of nawk script in commandline and as well into a file?

Hi All, I am working on nawk script, has the small function which prints the output on the screen.Am trying to print/append the same output in a file. Basically nawk script should print the output on the console/screen and as well it should write/append the same result to a file. script :...

8. Shell Programming and Scripting

awk dynamically append columns into file

Hi, I have a large data file, want to separate it into 100 part and export one specific field as a file; then I want to append each part's column into one file. How to realize that? 1 2 3 1 2 3 4 2 2 3 4 3 3 3 4 4 3 4 5 5 3 4 5 6 I want the last column of the data file, e.g divide it...

9. Shell Programming and Scripting

Append to a file repeating output

Hello, i'm trying to force a command to read every second from an interface watch -n1 (command) /dev/x | cat >> output but it continue to overwrite the file, without append the content Thanks and advace for help as usual regards

10. Shell Programming and Scripting

Need solution to compare two file and update and append the output

Hi All, I have two files File1 frame,007C1 server1_Parent frame,007C3 server2_Silver frame,007EE server3_Bronze frame,00855 server4_Parent frame,00856 server4_Parent frame,00858 server5_Parent frame,008FA server6_Silver frame,008FB server6_Silver frame,008FC server6_Silver...

LEARN ABOUT POSIX

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)