Re: UNIX Command Idioms

Re: [twitter:@riywo]'s UNIX Command Idioms

• ps auxwwwwwww
  • number of "w" depends on my mood in that day :D
• ps auxwwwwwwwww -L
• netstat -tna / -una / -tnl / -tnap
• tar xvf
  • tar zxvf / jxvf / Jxvf are boring
• trailing slash in rsync
  • rsync -av file [file] HOST:dir/
  • rsync -av dir/ HOST:dir/
• tcpdump -i any -nlx
• strace -s 100 -fFTttt
• diff -u /path/to/file <(ssh host cat /path/to/file)
  • see also: http://d.hatena.ne.jp/hirose31/20060118/1137588490

and I love aliases:

• alias pa='ps auxwwww'
• alias pspgid='ps axwww -o "ppid pgid pid user fname args"'
• alias iops='ps auxwwww -L|awk "\$10 ~ /(D|STAT)/{print}"'
• alias u='cd ..'
• alias uu='cd ../..'
• alias uuu='cd ../../..'
• alias uuuu='cd ../../../..'
• alias ddu='du -sm ./*|sort -n|tail'
• iname() { find . -type d -name .svn -prune -o \( -iname "*$1*" -print \); }
• alias inaem=iname (for typo)
• alias fnuniq='cut -d: -f1|uniq'
  • iname foo | fnuniq
• alias ipsort='sort -nt. +0 -1 +1 -2 +2 -3 +3'
• alias sortpw='sort -t: -k3n /etc/passwd'
• alias sortgrp='sort -t: -k3n /etc/group'
• alias eman='LC_ALL=C LANG=C man'
• alias FORORENO='for i in host host host; do'
  • FORORENO echo $i; command; done
• alias cert2text='openssl x509 -text -in '
• alias priv2text='openssl rsa -text -in '
• https2text

https2text() { # FQDN[:PORT]
  case $1 in
    *:*)
      URL=$1
      ;;
    *)
      URL="$1:443"
      ;;
  esac
  echo | openssl s_client -connect $URL 2>/dev/null | \
    sed -n -e '/BEGIN /,/END /p' | \
    openssl x509 -text
}

• alias perlck='perl -Mstrict -Mwarnings -wc'
• alias pmk='perl Makefile.PL; make && make test'
• alias perldoc-type='perldoc Mouse::Util::TypeConstraints'
• pmver

pmver () {
  do_cd=
  if [ "$1" = '-cd' ]; then
    do_cd=1
    shift
  fi
  module=$1
  perl -M${module} -e "print \$${module}::VERSION,\"\n\""
  fullpath=$(
    perldoc -ml ${module} 2>/dev/null
    [ $? -eq  255 ] && perldoc -l ${module}
  )
  echo $fullpath
  if [ "$do_cd" = '1' ]; then
    \cd $(dirname $fullpath)
  fi
}

• alias dates='date "+%Y-%m-%d %T.%N"'
• alias today="date '+%Y%m%d'"
• alias today-="date '+%Y-%m-%d'"
• alias now="date '+%Y%m%d_%H%M%S'"
• alias now-="date '+%Y-%m-%d_%H%M%S'"
• alias wdump='curl -i'
  • or alias wdump='lynx -source -mime_header'
  • or alias wdump='w3m -dump_both'
• I love alias letter :D
  • alias a='alias'
  • alias c='clear'
  • alias d='cd /usr/oreno'
  • alias h='cd ~'
  • alias l='ls -F'
  • alias m='cd /var/tmp/making'
  • alias s='cd ~/repos'
  • alias u='cd ..'
  • alias v='less'
  • alias x='exit'
    • a | grep 'alias .=' | wc -l -> 12