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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
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It can be used to create an index of a backup directory or to find some file.
Sometimes you unzip a file that has no root folder and it spews files all over the place. This will clean up all of those files by deleting them.
A *.tar.gz file needs to be unzipped & then untarred. Previously I might have unzipped first with
gunzip -d file.tar.gz
and then untarred the result with
tar -xvf file.tar
(Options are extract, verbose, file)
Using the -z (decompress) option on tar avoids the use of gzip (or gunzip) first.
Additionally the -C option will specify the directory to extract to.
this will dump a list of domains one per line into a text file
Simplicity tends to win out on commandlinefu.com Also, why type multiple filenames when range operators work too. Saves finger abuse and time and reduces the chances for mistakes.
Assuming you have a multi-part archive like "archive.zip archive.z01 archive.z02 ...", unzip will not handle these correctly. If you "fix" the parts into one big file with zip -F before, it works.
unzips all zip files in any subdirectory under the current directory. The zip files are unzipped in their respective subdirs
"unzip *.zip" doesn't work as expected, because unzip handle wildcards in a different way.
You just need to escape the wildcard or do in another way:
for f in *.zip; do unzip "$f"; done