Author Archives: jeffrin

Installing dig command on Debian

$sudo apt-get install -y dnsutils Reading package lists… Done Building dependency tree Reading state information… Done The following packages were automatically installed and are no longer required: libcaribou-gtk-module libcaribou-gtk3-module libebur128-1 libevent-2.0-5 libgdict-1.0-10 libgdict-common libgmime-2.6-0 libgnome-autoar-common libgom-1.0-common libjavascriptcoregtk-3.0-0 libnotmuch4 libpcre16-3 libperl5.24 libraw15 libsexy2 libwebkitgtk-3.0-0 libwebpmux2 python-olefile rename tcpd Use ‘sudo apt autoremove’ to remove them. The …

Continue reading “Installing dig command on Debian”

Calling an external command in Python

$pwd /home/jeffrin/beautifulwork/github $ls beautifulwork-github.php beautifulwork-github.py $ls -l total 8 -rw-r–r– 1 jeffrin jeffrin 414 Dec 10 2016 beautifulwork-github.php -rw-r–r– 1 jeffrin jeffrin 1300 Dec 10 2016 beautifulwork-github.py $cat ../../ls.py from subprocess import call call([“ls”, “-l”]) $python ../../ls.py total 8 -rw-r–r– 1 jeffrin jeffrin 414 Dec 10 2016 beautifulwork-github.php -rw-r–r– 1 jeffrin jeffrin 1300 Dec 10 …

Continue reading “Calling an external command in Python”

grep a file, but show several surrounding lines?

$grep -C 1 lambda doowli.py request = urllib2.Request(url) request.get_method = lambda : ‘HEAD’ try: $grep -B 1 -A 0 lambda doowli.py request = urllib2.Request(url) request.get_method = lambda : ‘HEAD’ $grep -B 1 -A 5 lambda doowli.py request = urllib2.Request(url) request.get_method = lambda : ‘HEAD’ try: response = urllib2.urlopen(request) return True except urllib2.HTTPError: return False $grep …

Continue reading “grep a file, but show several surrounding lines?”