coding

'gnu' Category

• jul

  23

  2011

  avoid typos with dd wrapper

  When using dd it’s very common typos that f*ck your important data. I create this 5-minutes python code do wrapper dd and make my life more safe. The usage is simple, just a config file with partition(s) you should avoid. Suppose that you have 2 disks in your computer and want avoid playing both with [...]

  posted in gnu by Tiago Maluta

• out

  16

  2010

  spliting files with dd

  It’s just in case that you don’t have* want use split… (that is much easy). Suppose that you have a 20MB ogv movie and you want split in four parts of 5MB. You can just do:
  dd if=MOVIE.ogv of=pt1 bs=1M count=5
  dd if=MOVIE.ogv of=pt2 bs=1M skip=5 count=5
  dd if=MOVIE.ogv of=pt3 bs=1M skip=10 count=5
  dd if=MOVIE.ogv of=pt4 bs=1M skip=15
  To merge [...]

  posted in gnu by Tiago Maluta

• set

  09

  2010

  unnamed files

  I’m a heavy user of command line interface and often named files without extension. This behavior forces me to use file utility every time I have doubts.
  $ file stick-note1
  stick-note1: ASCII text
  When organizing my home/ I came across with many files like that, so I decided make this script to walk throughout files and check if it’s text file [...]

  posted in gnu by Tiago Maluta

• jan

  16

  2010

  Convertendo videos do Youtube para audio (MP3)

  Programas necessários:

  Alguma distribuição GNU/Linux
  mplayer
  lame (caso queria converter para mp3)
  vorbis-tools (caso queira converter para ogg)

  Os videos do YouTube, normalmente qualquer conteúdo Flash, fica armazenados na pasta /tmp do sistema operacional na forma FlashXXXX (exemplo: FlashaOiW6k). Para cada arquivo flash existirá um arquivo correspondente, para descobrir de qual se trata utilize o mplayer, no console (cd /tmp):
  mplayer FlashaOiW6k
  Após [...]

  posted in gnu by Tiago Maluta

• nov

  11

  2009

  Acessando o Gmail pelo Mutt

  Para acessar seus emails da conta do GMAIL no modo texto, utilizando o mutt,  adicione ao arquivo ~/.muttrc

  set imap_user = “USERNAME@gmail.com”
  set imap_pass = “PASSWORD”
  set spoolfile = imaps://imap.gmail.com:993/INBOX
  set folder = imaps://imap.gmail.com:993
  set record=”imaps://imap.gmail.com/[Gmail]/Sent Mail”
  set postponed=”imaps://imap.gmail.com/[Gmail]/Drafts”
  set header_cache=”~/.mutt/cache/headers”
  set message_cachedir=”~/.mutt/cache/bodies”
  set certificate_file=~/.mutt/certificates

  set move = no

  set sort = ‘threads’
  set sort_aux = ‘last-date-received’
  set imap_check_subscribed

  ignore “Authentication-Results:”
  ignore “DomainKey-Signature:”
  ignore “DKIM-Signature:”
  ignore “Received:”
  ignore “Return-Path”
  ignore “MIME-Version”
  ignore “X-Spam-Details”
  ignore “Received-SPF”
  ignore “List-Id”
  ignore [...]

  posted in gnu by Tiago Maluta

• out

  25

  2009

  Busca textual em arquivos

  Como resolver o problema de arquivos com espaço em branco na hora de fazer uma busca textual?
  Qualquer uma das três formas funciona:

  1. find PATH -iname FILTRO -exec grep -n PALAVRA ‘{}’ \; -print
  2. find PATH -iname FILTRO -exec grep -n PALAVRA /dev/null ‘{}’ \;
  3. find PATH [...]

  posted in gnu by Tiago Maluta