From: Francois Fleuret Date: Mon, 22 Mar 2010 20:38:58 +0000 (+0100) Subject: Initial commit. X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=commitdiff_plain;h=0f827af6891d1bb2f43cb4caef6f28fcfb12884c;p=scripts.git Initial commit. --- diff --git a/bashrc b/bashrc new file mode 100644 index 0000000..cbd8a10 --- /dev/null +++ b/bashrc @@ -0,0 +1,764 @@ +# -*-Shell-script-*- + +######################################################################### +# This program is free software: you can redistribute it and/or modify # +# it under the terms of the version 3 of the GNU General Public License # +# as published by the Free Software Foundation. # +# # +# This program is distributed in the hope that it will be useful, but # +# WITHOUT ANY WARRANTY; without even the implied warranty of # +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # +# General Public License for more details. # +# # +# You should have received a copy of the GNU General Public License # +# along with this program. If not, see . # +# # +# Written by and Copyright (C) Francois Fleuret # +# Contact for comments & bug reports # +######################################################################### + +# The site-specific and confidential settings are in another file + +PRIVATE_BASHRC="${HOME}/private/bashrc.perso" + +# If the MANPATH is not set, set it + +[ "${MANPATH}" ] || MANPATH=$(manpath) + +# If the private bashrc exists, execute it + +[ -f "${PRIVATE_BASHRC}" ] && source "${PRIVATE_BASHRC}" + +# !!! THIS HAS TO BE HERE EVEN IN THE NON-INTERACTIVE PART OR YOU WILL +# LOSE YOU PREVIOUS HISTORY !!! + +export HISTFILESIZE=20000 +export HISTSIZE=${HISTFILESIZE} + +export HISTIGNORE="${HISTIGNORE}:&:[ ]*" + +# I want to save the command time, but I do not want to see it in +# history + +export HISTTIMEFORMAT="" + +shopt -s histappend + +# I realized that most of my settings are meaningful only in +# interactive mode. This should maybe be done more properly through +# using different .bash_profile and .bash_login + +[[ ${TERM} == "dumb" ]] || [ ! -t 0 ] && return + +###################################################################### +## The interactive part + +export VT_RESET=$'\033[0m' +export VT_BOLD=$'\033[1m' +export VT_UNDERLINE=$'\033[4m' +export VT_BLINK=$'\033[5m' + +export VT_SET_TITLE=$'\033]0;' +export VT_END_TITLE=$'\007' + +export VT_BLACK_FG=$'\033[30m' +export VT_RED_FG=$'\033[31m' +export VT_GREEN_FG=$'\033[32m' +export VT_YELLOW_FG=$'\033[33m' +export VT_BLUE_FG=$'\033[34m' +export VT_MAGENTA_FG=$'\033[35m' +export VT_CYAN_FG=$'\033[36m' +export VT_WHITE_FG=$'\033[37m' + +export VT_BLACK_BG=$'\033[40m' +export VT_RED_BG=$'\033[41m' +export VT_GREEN_BG=$'\033[42m' +export VT_YELLOW_BG=$'\033[43m' +export VT_BLUE_BG=$'\033[44m' +export VT_MAGENTA_BG=$'\033[45m' +export VT_CYAN_BG=$'\033[46m' +export VT_WHITE_BG=$'\033[47m' + +# This prevents ^S from freezing the shell + +stty -ixon + +alias rm='rm -i' +alias mv='mv -i' +alias chmod='chmod -v' +alias cp='cp -i' +alias rd=rmdir +alias md=mkdir +alias ps='ps uxaf' +alias df='df -hT --sync' +alias grep='grep -E --mmap' + +alias s='screen -d -R -U && clear' +alias mc='echo Try mv ' # I'm fed up with midnight commander +alias kj="keyjnote -s -D 1000 -t Crossfade -T 100" + +# alias fdupes='fdupes -r .' + +# ls colors + +if [ -e "${HOME}/.dircolors" ]; then + eval $(dircolors "${HOME}/.dircolors") + alias ls='ls --color' + # alias ll='ls --color -lth' + alias ll='ls --color -goh --time-style="+%Y %b %d %H:%M"' + alias l='ls --color -I "*~" -I "*.o"' + alias less='less -R' +else + # alias ll='ls -lth' + alias ll='ls -goh --time-style="+%Y %b %d %H:%M"' + alias l='ls -I "*~" -I "*.o"' +fi + +export EDITOR=emacsclient +export GIT_EDITOR=${EDITOR} + +###################################################################### +# Ignored extensions when completing + +export FIGNORE="CVS" + +###################################################################### +# Functions + +# Find a file containing a name + +function fn () { + name=$1 + shift + find $* -name "*${name}*"; +} + +###################################################################### +# http://www.reddit.com/r/linux/comments/akt3j/a_functional_programming_style_map_function_for/ + +function map () { + local command i rep + if [ $# -lt 2 ] || [[ ! "$@" =~ :[[:space:]] ]];then + echo "Invalid syntax." >&2; return 1 + fi + until [[ $1 =~ : ]]; do + command="$command $1"; shift + done + command="$command ${1%:}"; shift + for i in "$@"; do + if [[ $command =~ \{\} ]];then + rep="${command//\{\}/\"$i\"}" + eval "${rep//\\/\\\\}" + else + eval "${command//\\/\\\\} \"${i//\\/\\\\}\"" + fi + done +} + +###################################################################### +## A version of pho which stores the image numbers in environment +## variables + +function pho () { + PHO_BIN=/usr/bin/pho + TEMP=$(mktemp /tmp/pho.XXXXXXX) + ${PHO_BIN} $* | tee ${TEMP} + PHO_NOTE_1=$(grep ^"Note 1: " ${TEMP} | sed -e "s/^[^:]*: //") + PHO_NOTE_2=$(grep ^"Note 2: " ${TEMP} | sed -e "s/^[^:]*: //") + PHO_NOTE_3=$(grep ^"Note 3: " ${TEMP} | sed -e "s/^[^:]*: //") + PHO_NOTE_R90=$(grep ^"Rotate 90 \(CW\): " ${TEMP} | sed -e "s/^[^:]*: //") + PHO_NOTE_R180=$(grep ^"Rotate 180: " ${TEMP} | sed -e "s/^[^:]*: //") + PHO_NOTE_R270=$(grep ^"Rotate -90 \(CCW\): " ${TEMP} | sed -e "s/^[^:]*: //") + \rm ${TEMP} +} + +# function rotjpeg () { + # if [ $1 == "90" ] || [ $1 == "180" ] || [ $1 == "270" ]; then + # TEMP=$(mktemp /tmp/rotjpeg.XXXXXX) + # echo jpegtran -rotate $1 -copy all $2 > ${TEMP} + # echo cp $2 ${2/jpg/}original.jpg + # echo cp ${TEMP} $2 + # rm ${TEMP} + # else + # echo "Can not rotate with an angle of $1 degrees." + # fi +# } + +###################################################################### +## A version of date that shows the time at home if TZ is set + +function dt () { + echo "Local: $(date)" + if [[ ${TZ} ]]; then + unset TZ + echo "Home: $(date)" + fi +} + +###################################################################### +## ifup / ifdown with sudo and memorization of the network + +## When invoked without an argument this "ifup" uses the same argument +## as the previous time + +## When invoked without an argument this "ifdown" removes the last +## interface which was ifuped + +[[ ${IFUPRC} ]] || IFUPRC="${HOME}/.ifuprc" + +function ifup () { + echo "${VT_BOLD}${VT_GREEN_FG}This is the bash function ifup from .bashrc${VT_RESET}" + if [[ ! $* ]] && [[ -s ${IFUPRC} ]]; then + # If we have no argument and there is a .ifuprc, use it + ARGS=$(cat ${IFUPRC}) + else + # Otherwise uses the given arguments, and store them + ARGS=$* + echo ${ARGS} > ${IFUPRC} + fi + echo "${VT_GREEN_FG}Running [sudo ifup ${ARGS}]${VT_RESET}" + sudo ifup ${ARGS} + + # Ugly hack to remove the dsl modem dns server when we add + # explicitely a dns in the /etc/network/interfaces + + REMOVE_LOCAL_DNS=/usr/local/bin/remove-local-dns.sh + + if [[ -x ${REMOVE_LOCAL_DNS} ]]; then + echo "${VT_GREEN_FG}Running [sudo ${REMOVE_LOCAL_DNS} 192.168]${VT_RESET}" + sudo ${REMOVE_LOCAL_DNS} 192.168 + fi +} + +function ifdown () { + echo "${VT_BOLD}${VT_GREEN_FG}This is the bash function ifdown from .bashrc${VT_RESET}" + if [[ ! $* ]] && [[ -s ${IFUPRC} ]]; then + # If there are no arguments and there is a .ifuprc, get the + # interface from it + ARGS=$(cat ${IFUPRC} | sed -e "s/=.*$//") + else + # Otherwise, use the standard ifdown + ARGS=$* + fi + echo "${VT_GREEN_FG}Running sudo [ifdown ${ARGS}]${VT_RESET}" + sudo ifdown ${ARGS} +} + +function checkgw () { + ping $(route -n | grep ^0.0.0.0 | awk '{print $2}') +} + +###################################################################### +# Show the most recent files, no scroll + +function lr () { + HEIGHT=$(stty size | awk '{print $1}') + WIDTH=$(stty size | awk '{print $2}') + \ls -goth --time-style="+%Y %b %d %H:%M" $* | head -$((HEIGHT-2)) | cut -b1-${WIDTH} + # \ls -lth $* | head -$((HEIGHT-2)) | cut -b1-${WIDTH} +} + +###################################################################### +# cd and ls into a directory +# [from http://www.oreillynet.com/onlamp/blog/2007/01/whats_in_your_bash_history.html] + +# function c () { cd "$@" && lr; } + +###################################################################### +# You can change the xterm background color on the fly! + +function setxtermbg () { + echo -n $'\033]11;'$1$'\007' +} + +###################################################################### +# Shuffle the lines from the stdin + +function shuffle () { + SEED=$1 + [[ $SEED ]] || SEED=0 + awk 'BEGIN{srand('${SEED}')} { print rand()" "$0 }' | sort -g | sed -e "s/^[0-9\.e\-]* //" +} + +###################################################################### +# Stores the last entered command into a file + +KEPT_COMMANDS=${HOME}/.kept_bash_commands + +function keep () { + if [[ ${KEPT_COMMANDS} ]]; then + LINE=$(history | tail -2 | head -1 | sed -e "s/^[0-9 ]*//") + echo $LINE + echo $(date)": "${LINE} >> ${KEPT_COMMANDS} + else + echo "You have to set \$KEPT_COMMANDS" + fi +} + +###################################################################### +# I sometime burn CDs and DVDs + +function burn () { + set -e + DEVICE="/dev/cdrw" + if [[ ! $1 ]]; then + echo "burn " >&2 + elif [[ -f $1 ]]; then + if [[ $(file $1 | grep "ISO 9660") ]]; then + wodim -eject -v dev=${DEVICE} $1 + else + echo "Unknown type of $1" >&2 + fi + elif [[ -d $1 ]]; then + TMP=$(mktemp /tmp/cdimage.XXXXXX) && \ + genisoimage -input-charset iso8859-1 -r -o ${TMP} $1 && \ + wodim -eject -v dev=${DEVICE} ${TMP} + rm -f ${TMP} + else + echo "Can not find $1" >&2 + fi +} + +###################################################################### +# And watch DVDs too! + +function dvd () { + + echo + echo " ! and @ Seek to the beginning of the previous/next chapter" + echo " j Cycle through the available subtitles" + echo " o Show/hide the timing" + echo + + if [[ $1 ]]; then + dvd_device="$1" + shift + else + dvd_device="/dev/cdrom" + fi + + title="1" + + if [[ $1 ]]; then + title=$1 + shift + fi + + mplayer > /dev/null \ + -stop-xscreensaver \ + -vc ffmpeg12 -quiet \ + -vf yadif \ + -alang en \ + -dvd-device ${dvd_device} dvd://${title} + +# -slang en + +} + +function ripdvd () { + mkdir -p ${HOME}/dvds + cd ${HOME}/dvds + dvdbackup -v -M + eject +} + +###################################################################### +# Upload the sources from the current directory to work + +function ulsrc () { + if [[ ! "${MY_WORK_MACHINE}" ]]; then + echo "\$MY_WORK_MACHINE undefined" 1>&2 + return 1 + fi + + DIR=${PWD/$HOME\//} + + scp {Makefile,*.{cc,h,sh}} ${MY_WORK_MACHINE}:${DIR} + + echo "Uploaded to ${MY_WORK_MACHINE}:${DIR}/" +} + +###################################################################### +# Create small images from images + +function mksmall () { + + PARAMS="-geometry 800x600" + + # Auto-orient does not seem to work at all, hence the ugly hack + # with exif below + + # PARAMS="-auto-orient -geometry 800x600" + + echo "Using ${PARAMS}" + + DEST_DIR=$1 + + [[ ${DEST_DIR} ]] || DEST_DIR=./small + + mkdir -p ${DEST_DIR} + + if [[ ! -d ${DEST_DIR} ]]; then + echo "Can not create ${DEST_DIR}" >&2 + return + fi + + NB_TOTAL=$(find -maxdepth 1 -type f | wc -l) + NB=0 + + for i in $(find -maxdepth 1 -type f); do + if [[ -e ${DEST_DIR}/$i ]]; then + echo "The file ${DEST_DIR}/$i already exists." + else + + orientation=$(exif $i \ + | grep ^Orientation \ + | head -1 \ + | sed -e "s/^[^|]*|//" \ + | sed -e "s/ *$//") + + case ${orientation} in + "top - left") + rotation_cmd="" + ;; + + "right - top") + rotation_cmd="-rotate 90" + ;; + + "left - bottom") + rotation_cmd="-rotate 270" + ;; + + *) + rotation_cmd="" + echo "Unknown orientation \"${orientation}\" !" + ;; + esac + + convert ${rotation_cmd} $i ${PARAMS} ${DEST_DIR}/$i + fi + \ls -lt ${DEST_DIR}/$i + NB=$((NB+1)) + echo "$((NB*100/NB_TOTAL))% (${NB}/${NB_TOTAL})" + done +} + +###################################################################### +# Move a file to the ~/sources/config directory and replace it where +# it was by a symbolic link + +function mvtoconfig () { + CONFIGDIR=${HOME}/sources/config + if [[ -d ${CONFIGDIR} ]]; then + NEWNAME=${CONFIGDIR}/$(basename $1 | sed -e "s/^\.//") + mv $1 $NEWNAME + ln -s $NEWNAME $1 + else + echo "Can not find ${CONFIGDIR}" + fi +} + +###################################################################### +# Track uncommited files (I presume this is very ugly from a real git +# user perspective) + +function git-fm () { + CURRENT_DIR=$(pwd) + NB_SUBDIR=0 + + for i in $(find -name ".git"); do + NB_SUBDIR=$((NB_SUBDIR+1)) + cd ${CURRENT_DIR}/$(dirname $i) + NB_MODIFIED=$(git status | grep modified | wc -l) + if [[ ${NB_MODIFIED} -gt 0 ]]; then + echo "$(dirname $i) (${NB_MODIFIED})" + git status | grep modified \ + | sed -e "s/^#\t/ /" | sed -e "s/modified: *//" + fi + done + + cd ${CURRENT_DIR} + + echo "Visited ${NB_SUBDIR} directories." +} + +###################################################################### +# Commits all directories under git + +function git-ca () { + ORIGINAL_PWD=${PWD} + UNCOMMITTED="" + for d in $(find ${PWD} -name ".git" | sed -e "s/\.git$//"); do + cd $d + NB_MODIFIED=$(git status | grep modified | wc -l) + if [[ ${NB_MODIFIED} -gt 0 ]]; then + if [[ $(pwd) =~ ${NO_AUTOMATIC_GIT_COMMIT} ]]; then + UNCOMMITTED="${UNCOMMITTED} $(pwd)" + else + echo $(pwd)" (${NB_MODIFIED} modified file(s))" + git commit -a -m "Automatic commit" | grep -v ^# + fi + # git gc + fi + done + + cd ${ORIGINAL_PWD} + + if [[ ${UNCOMMITTED} ]]; then + echo "** WARNING: Did not automatically commit${UNCOMMITTED}" + fi +} + +###################################################################### +# Backups all git directories into an encrypted backup file located +# either on the usb key or the SD card (in that order) if they can be +# mounted. + +function git-backup () { + + BACKUPDIR=/mnt/key + + mount ${BACKUPDIR} 2> /dev/null + + if [[ ! $(mount | grep ${BACKUPDIR}) ]]; then + BACKUPDIR=/mnt/sd + mount ${BACKUPDIR} + fi + + if [[ $(mount | grep ${BACKUPDIR}) ]]; then + echo "Mounted ${BACKUPDIR}" + else + echo "Could not mount the backup directory" + return 1 + fi + + RESULT=${BACKUPDIR}/gitbackup-$(date +%F-%H%M%S).tgz.mc + + tar zcvf - $(find ${HOME}/ -name .git) \ + | mcrypt -f ${HOME}/private/mcrypt.key > ${RESULT} + + if [[ -f ${RESULT} ]]; then + ls -lh ${RESULT} + else + echo "Could not create the backup!" + return 1 + fi + + sync + + umount ${BACKUPDIR} && echo "Umounted ${BACKUPDIR}" +} + +###################################################################### +# Downloads torrents located in ${BT_DIR}/torrents/ and puts the +# result in the ${BT_DIR} + +function bt () { + if [[ ${BT_DIR} ]]; then + if [[ -d "${BT_DIR}/torrents" ]]; then + if [[ $1 ]]; then + mv $1 ${BT_DIR}/torrents + fi + if [[ "$(ps auxwww | grep btlaunchmanycurses | grep -v grep)" ]]; then + echo "A client is already running." + else + cd ${BT_DIR} && screen btlaunchmanycurses torrents --max_upload_rate 32 + fi + else + echo "Directory ${BT_DIR}/torrents does not exist." + fi + else + echo "You have to set \$BT_DIR." + fi +} + +###################################################################### +# The complex prompt policy + +export PS1 + +if [ "${CONSOLE}" == "yes" ]; then + PS1="" +else + +# If the login is a standard one (as specified in +# IGNORED_PROMPT_LOGIN, which is set in the private bash file), do not +# show it. I have IGNORED_PROMPT_LOGIN="^fleuret$". + + if [ ! ${IGNORED_PROMPT_LOGIN} ] || [[ ! ${USER} =~ ${IGNORED_PROMPT_LOGIN} ]]; then + IDENT="${USER}" + fi + +# If the display is not the main one, make the assumption that the +# shell is not running on the localhost, and show the hostname + + [ "${DISPLAY}" != ":0.0" ] && IDENT="${IDENT}@\h" + +# If there is the login or the hostname, add a ":" to the prompt + + [ "${IDENT}" ] && IDENT="${IDENT}:" + +# If we are root, show that in red + + if [[ ${USER} == "root" ]]; then + PS1="\[${VT_RED_BG}${VT_WHITE_FG}\]${IDENT}\w\[${VT_RESET}\] " + else + PS1="\[${VT_WHITE_BG}${VT_BLACK_FG}\]${IDENT}\w\[${VT_RESET}\] " + fi + +# In an xterm, show the hostname and path in the title bar, highlight +# the prompt + + # [ "${TERMS_WITH_BAR}" ] || TERMS_WITH_BAR="^xterm|screen$" + + # if [[ "${TERM}" =~ "${TERMS_WITH_BAR}" ]]; then + # PS1="\[${VT_SET_TITLE}shell@\h (\w)${VT_END_TITLE}${VT_WHITE_BG}\]${IDENT}\w\[${VT_RESET}\] " + # else + # PS1="\[${VT_WHITE_BG}\]${IDENT}\w\[${VT_RESET}\] " + # fi + +fi + +###################################################################### +# This implements a local history. If we are in a directory containing +# a writable local history file, we add the last line of the global +# history to it. + +LOCAL_HISTORY_FILE=".local_bash_history" + +function keep_local_history () { + if [[ -w "${LOCAL_HISTORY_FILE}" ]]; then + history 1 | sed -e 's/^ *[0-9]* *//' >> ${LOCAL_HISTORY_FILE} + TMP=$(mktemp /tmp/lh.XXXXXX) + \chmod 600 ${TMP} + uniq < ${LOCAL_HISTORY_FILE} | tail -${HISTSIZE} > ${TMP} + # mv would replace a symbolic link, while cp keeps it + \cp ${TMP} ${LOCAL_HISTORY_FILE} + \rm ${TMP} + LOCAL_HISTORY_HINT=" LH " + else + LOCAL_HISTORY_HINT="" + fi +} + +PS1="\[${VT_WHITE_BG}\]\${LOCAL_HISTORY_HINT}\[${VT_RESET}\]${PS1}" + +###################################################################### +# Switch off the history + +alias nh=" export HISTFILE=/dev/null" + +function histfile_cue () { + if [[ ! "${HISTFILE}" == "${HOME}/.bash_history" ]]; then + HISTORY_CUE="[${HISTFILE}]" + else + HISTORY_CUE="" + fi +} + +PS1="\[${VT_YELLOW_BG}\]\${HISTORY_CUE}\[${VT_RESET}\]${PS1}" + +###################################################################### +# The dus command is available on my web site +# +# git clone http://fleuret.org/git/dus/ + +alias dus='dus -f' + +###################################################################### +# The finddup command is available on my web site +# +# git clone http://fleuret.org/git/finddup/ + +alias finddup='finddup -p0d' + +###################################################################### +# This script grep messages in my mail archives + +alias gma='gma.sh' + +###################################################################### +# Selector based history +# +# The selector command is available on my web site +# +# git clone http://fleuret.org/git/selector/ + +function selector-history () { + ARGS="-c 7 4 0 3 -q -b -i -d -v -w -l 15000" + FILES="" + + # I may have a "local bash history" specific to the current + # directory, and I also maintain a global "kept command" file. I + # take all this into account here. + + if [[ ${LOCAL_HISTORY_FILE} ]] && [[ -f ${LOCAL_HISTORY_FILE} ]]; then + FILES="${FILES} ${LOCAL_HISTORY_FILE}" + fi + + if [[ ${KEPT_COMMANDS} ]] && [[ -f ${KEPT_COMMANDS} ]]; then + selector ${ARGS} ${FILES} <(sed < ${KEPT_COMMANDS} -e 's/^.*: /0 /') <(history) + else + selector ${ARGS} ${FILES} <(history) + fi + +} + +# M-r puts the selected history line in place of the current one + +bind '"\C-[r":"\C-a\C-kselector-history\C-m"' + +# M-t appends the selected history line and the end of the current one + +bind '"\C-[t":"\C-a\C-kselector-history\C-m\C-a\C-y\C-e"' + +# Finds path in the history and make a list of the existing ones + +function selector-cd () { + LIST_TEMP=$(mktemp /tmp/cdlist.XXXXXX) + for d in $(history | \ + grep ^" *[0-9]* *cd" | \ + awk '{ print $3 }' | \ + grep -v "\.\." | \ + uniq); do + if [[ -d $d ]]; then + echo "$d!cd $d" + fi + done >> ${LIST_TEMP} + selector -v -x '!' -d -i ${LIST_TEMP} + \rm ${LIST_TEMP} +} + +alias c=selector-cd + +bind '"\C-[c":"\C-a\C-kselector-cd\C-m"' + +# And we avoid to put in the history the use of the selector, which we +# do too often + +HISTIGNORE="${HISTIGNORE}:selector-history" + +###################################################################### + +function prompt_command () { +# save the history after every command to avoid loosing some when +# multiple shells are open + history -a +# and the local histories system defined above + keep_local_history +# and the no-history + histfile_cue +} + +PROMPT_COMMAND="prompt_command" + +###################################################################### + +# Displaying the timezone if it is set + +if [[ ${TZ} ]]; then + echo "${VT_BOLD}${VT_GREEN_FG}Time zone is ${TZ}.${VT_RESET}" +fi + +######################################################################