How to download and extract tar files with one command?
Download and Extract File with Wget The wget option -O specifies a file to which the documents is written, and here we use -, meaning it will written to standard output and piped to tar and the tar flag -x enables extraction of archive files and -z decompresses, compressed archive files created by gzip.
How can I extract a file from a specific directory?
To extract compressed archive file to a specific directory, use the following command. Considering the previous example, this is how you can use cURL to download and unpack archives in the current working directory. To extract file to different directory while downloading, use the following command. That’s all!
How to print a line from a shell script?
Disallowing the use of external tools while writing a shell script is absurd. However, if you really don’t want to use external tools, you can print line 5 with: Note that this will print logical line 5. That is, if input-file contains line continuations, they will be counted as a single line.
How to get one line from input file?
That is, if input-file contains line continuations, they will be counted as a single line. You can change this behavior by adding -r to the read command. (Which is probably the desired behavior.)
How does the GNU tar command compress files?
The GNU tar command included with Linux distributions has integrated compression. It can create a.tar archive and then compress it with gzip or bzip2 compression in a single command. That’s why the resulting file is a.tar.gz file or.tar.bz2 file. Compress an Entire Directory or a Single File
Which is the best compression for a tar file?
Use bzip2 Compression Instead. While gzip compression is most frequently used to create .tar.gz or .tgz files, tar also supports bzip2 compression. This allows you to create bzip2-compressed files, often named .tar.bz2, .tar.bz, or .tbz files.
What’s the difference between gzip and tar compression?
While gzip compression is most frequently used to create .tar.gz or .tgz files, tar also supports bzip2 compression. This allows you to create bzip2-compressed files, often named .tar.bz2, .tar.bz, or .tbz files. To do so, just replace the -z for gzip in the commands here with a -j for bzip2.