unzip

How do you recursively unzip archives in a directory and its subdirectories from the Unix command-line?

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If you want to extract the files to the respective folder you can try this find . -name “*.zip” | while read filename; do unzip -o -d “`dirname “$filename”`” “$filename”; done; A multi-processed version for systems that can handle high I/O: find . -name “*.zip” | xargs -P 5 -I fileName sh -c ‘unzip -o … Read more

How do you unzip very large files in python?

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Here’s an outline of decompression of large files. import zipfile import zlib import os src = open( doc, “rb” ) zf = zipfile.ZipFile( src ) for m in zf.infolist(): # Examine the header print m.filename, m.header_offset, m.compress_size, repr(m.extra), repr(m.comment) src.seek( m.header_offset ) src.read( 30 ) # Good to use struct to unpack this. nm= src.read( … Read more

How to get Inno Setup to unzip a file it installed (all as part of the one installation process)

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You can use an external command line tool for unzipping your archive, see here for example. Put it in your [Files] section: [Files] Source: “UNZIP.EXE”; DestDir: “{tmp}”; Flags: deleteafterinstall Then call it in your [Run] section, like this: [Run] Filename: “{tmp}\UNZIP.EXE”; Parameters: “{tmp}\ZipFile.ZIP -d C:\TargetDir” (You’ll probably want to take your target directory from a … Read more

unzip a tar.gz file? [duplicate]

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fn <- “http://s.wordpress.org/resources/survey/wp2011-survey.tar.gz” download.file(fn,destfile=”tmp.tar.gz”) untar(“tmp.tar.gz”,list=TRUE) ## check contents untar(“tmp.tar.gz”) ## or, if you just want to extract the target file: untar(“tmp.tar.gz”,files=”wp2011-survey/anon-data.csv”) X <- read.csv(“wp2011-survey/anon-data.csv”) Tom Wenseleers points out that the archive package can help with this: library(archive) library(readr) read_csv(archive_read(“tmp.tar.gz”, file = 3), col_types = cols()) and that archive::archive_extract(“tmp.tar.gz”, files=”wp2011-survey/anon-data.csv”) is quite a bit faster than … Read more

How to download and unzip a zip file in memory in NodeJs?

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You need a library that can handle buffers. The latest version of adm-zip will do: npm install adm-zip My solution uses the http.get method, since it returns Buffer chunks. Code: var file_url=”http://notepad-plus-plus.org/repository/7.x/7.6/npp.7.6.bin.x64.zip”; var AdmZip = require(‘adm-zip’); var http = require(‘http’); http.get(file_url, function(res) { var data = [], dataLen = 0; res.on(‘data’, function(chunk) { data.push(chunk); dataLen … Read more

Downloading and unzipping a .zip file without writing to disk

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Below is a code snippet I used to fetch zipped csv file, please have a look: Python 2: from StringIO import StringIO from zipfile import ZipFile from urllib import urlopen resp = urlopen(“http://www.test.com/file.zip”) myzip = ZipFile(StringIO(resp.read())) for line in myzip.open(file).readlines(): print line Python 3: from io import BytesIO from zipfile import ZipFile from urllib.request import … Read more

Unzip a zipped file on sd card in Android application

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import android.util.Log; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; /** * * @author jon */ public class Decompress { private String _zipFile; private String _location; public Decompress(String zipFile, String location) { _zipFile = zipFile; _location = location; _dirChecker(“”); } public void unzip() { try { FileInputStream fin = new FileInputStream(_zipFile); ZipInputStream zin … Read more

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