[zcat] [gunzip -c] header Post: 302798889

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

zcat --> Arg list too long

Hi all I have more than 1000 files in a folder and when ever i use a "compress" or "zcat" command it give error /bin/zcat: Arg list too long. . any solution for this :o

2. Linux

Reading the header of a tar file(posix header)

say i have these many file in a directory named exam. 1)/exam/newfolder/link.txt. 2)/exam/newfolder1/ and i create a tar say exam.tar well the problem is, when i read the tar file i dont find any metadata about the directories,as you cannot create a tar containig empty directories. on the...

3. Linux

zcat on Linux

Hi I am trying to extract a <filename>.tar.Z on a SLES machine using zcat. The command I am using is zcat <filename>.tar.Z | tar xf - When I use the above I get the following message tar: Read 7168 bytes from - I think the message is benign because I see that my files where...

4. UNIX for Dummies Questions & Answers

Merge all csv files in one folder considering only 1 header row and ignoring header of all others

Friends, I need help with the following in UNIX. Merge all csv files in one folder considering only 1 header row and ignoring header of all other files. FYI - All files are in same format and contains same headers. Thank you

5. Shell Programming and Scripting

zcat two files

Hi, Like cat file1 file2 > file Can I do zcat file1.gz file2.gz > file.gz

6. Shell Programming and Scripting

BASH ZCAT EGREP Shell Script

I created a backup script that emails all the admins when the backup is complete and attaches a log file of what what backed up. On occasion, something happens in which the backups stop working, I started "grep"ing around /var/log/syslog and I usually find the smoking gun. My goal is to zcat...

7. UNIX for Dummies Questions & Answers

How zcat works?

Hi, just i would like to know, how will be the response if you try to read a 40GB compressed file using zcat. a)Uncompress the 40GB file and have it in the disk. use cat to view the steps. b)Use zcat directly to view the compressed file? What are the steps being occurred in step (b)? Where...

8. Shell Programming and Scripting

awk & zcat not working together

I have a tar file which i want to read and check some specific fields basis on which i want to get output. Code zcat samplefile.tar.gz | awk 'FNR==1 {++counter} counter ==2 {BB=1;next} substr($0,26,2) =="01") {next} (substr($0,28,12) ~ "^") {next} (substr($0,184,3) in BB) {next} 1 '...

9. Solaris

ZCAT xxx.Z|tar -xvf - decompression slow ?

I have recently built a new server and patched Soalris 10 up tp latest bundle etc... When I run a decompress using the format zcat fred.Z |tar -xvf - it runs at a very slow rate. A similiar server which is less powerful runs over twice as quick. Is there any work arounds to configure decompress...

10. Shell Programming and Scripting

Find header in a text file and prepend it to all lines until another header is found

I've been struggling with this one for quite a while and cannot seem to find a solution for this find/replace scenario. Perhaps I'm getting rusty. I have a file that contains a number of metrics (exactly 3 fields per line) from a few appliances that are collected in parallel. To identify the...

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

zcat --> Arg list too long

Discussion started by: muneebr

2. Linux

Reading the header of a tar file(posix header)

Discussion started by: Tanvirk

3. Linux

zcat on Linux

Discussion started by: felixmat1

4. UNIX for Dummies Questions & Answers

Merge all csv files in one folder considering only 1 header row and ignoring header of all others

Discussion started by: Shiny_Roy