path: root/bash_include

#!/bin/bash
#
# This file is made by lantw44.
#

echo "Running .bash_include"

# Internal Variables

default_tty_setting=`stty -g`

colorprompting='\[\e[1;31m\]\!\[\e[m\] [\[\e[1;33m\]\u\[\e[m\]@\[\e[1;32m\]\h\[\e[m\] \[\e[1;36m\]\w\[\e[m\]]\$ '
nocolorprompting='\! [\u@\h \w]\$ '

historycountfile="$HOME/.bash_history.count"
historybackupfile="$HOME/.bash_history.bak"
bgrunfiledir="$HOME/tmp/bgrun"

HISTSIZE=1000000
HISTFILESIZE=1000000
HISTCONTROL=ignoredups:ignorespace




# Environment Variables

export EDITOR=vim
export FCEDIT=vim
export PAGER=less




# Aliases

alias startcolor='PS1=$colorprompting'
alias stopcolor='PS1=$nocolorprompting'

alias ll='ls -l'
alias grep='grep --color=always'
alias rm='rm -i'
alias cp='cp -pi'
alias mv='mv -i'
alias jobs='jobs -l'
alias less='less -RS'

alias cccc='LANG=C;LC_ALL=C'
alias enus='LANG=en_US.UTF-8;LC_ALL=en_US.UTF-8'
alias big5='LANG=zh_TW.Big5;LC_ALL=zh_TW.Big5'
alias zhtw='LANG=zh_TW.UTF-8;LC_ALL=zh_TW.UTF-8'
alias utf8='LANG=zh_TW.UTF-8;LC_ALL=zh_TW.UTF-8'

alias savetty='default_tty_setting=`stty -g`'
alias resetty='stty $default_tty_setting'




# Functions

function compile_all ()
{
    noask=0
    [ "$1" = '' ] && echo "Which file(s) do you want to compile? " && return 1
    [ "$1" = "-n" ] && noask=1
    if [ "$noask" = "0" ]; then
        read -p "CFLAGS [$CFLAGS] ? " NEWCFLAGS
        read -p "LDFLAGS [$LDFLAGS] ? " NEWLDFLAGS
        [ "$NEWCFLAGS" '!=' '' ] && CFLAGS=$NEWCFLAGS
        [ "$NEWLDFLAGS" '!=' '' ] && LDFLAGS=$NEWLDFLAGS
    else
        shift
    fi
    while [ "$1" '!=' '' ]
    do
        TARGETFILE="`echo "$1" | cut -d . -f 1`"
        SUFFIX="`echo "$1" | cut -d . -f 2`"
        if [ -f "$1" ]; then
            true
        else
            printf\
            '\e[1;33mWarning\e[0m: Non-existent file or not a regular file\n'
            shift ; continue
        fi
        [ "$TARGETFILE" = "$1" ] && shift && continue
        if [ "$SUFFIX" = "c" ]; then
            echo "[CC] $1 -> $TARGETFILE"
            gcc $CFLAGS "$1" $LDFLAGS -o "$TARGETFILE"
        elif [ "$SUFFIX" = "cpp" ]; then
            echo "[CXX] $1 -> $TARGETFILE"
            g++ $CFLAGS "$1" $LDFLAGS -o "$TARGETFILE"
        else
            printf 'Unknown suffix (\e[1;33mskipped\e[0m)\n'
        fi
        [ "$?" '!=' "0" ] && printf\
            '\e[1;31mError\e[0m while compiling file\n'
        shift
    done
    return 0
}


function convert_to_html ()
{
    while [ "$1" '!=' '' ]
    do
        for i in "$1"
        do 
            vim $i -c 'set background=dark' \
                -c 'highlight PreProc ctermfg=darkcyan' \
                -c "$BEFORE_CONVERT_TO_HTML" \
                -c TOhtml \
                -c :w \
                -c :qa 
        done
        shift
    done
}

function mkscreenacl ()
{
    PERMIT_COMMAND="select windowlist other meta detach reset hardcopy info redisplay lastmsg next prev xon xoff windows suspend help colon copy paste writebuf readbuf displays stuff attach"
    while [ "$1" '!=' '' ]
    do
        for i in $PERMIT_COMMAND
        do
            echo "aclchg $1 +x $i"
        done
        echo "aclchg $1 -rw \"#?\"" 
        shift
    done
}

########## Background ##########

alias bgr=bgrun
alias bgv=bgview
alias bgl=bglist
alias bgc=bgcount
alias bgls=bglist

function bgrun ()
{
    [ "$#" = "0" ] && return 1
    [ '!' -d "$bgrunfiledir" ] && mkdir -p "$bgrunfiledir"
    current_time=`date "+%Y%m%d-%H%M%S"`
    cmdname=`echo "$1" | sed -e 's/-/_/g' -e 's/\\//_/g' -e 's/ //g'`
    if [ "`echo "$cmdname" | cut -c 1`" == "_" ]
    then
        cmdname=`echo "$cmdname" | cut -c 2-`
    fi
    filename="$bgrunfiledir/$current_time-$cmdname"
    echo "Writing to $filename"
    echo "$@" > $filename
    "$@" &>> "$filename" &
}

function bglist ()
{
    {
        for i in `find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort`
        do
            head -n 1 "$i"
        done
    } | cat -n | $PAGER
}

function bgview ()
{
    declare -i yourchoice
    if [ "$1" = "" ]
    then
        yourchoice=`bgcount`
    else
        if [ "$1" -le "0" ]
        then
            yourchoice=$((`bgcount`+$1))
        else
            yourchoice=$1
        fi
    fi
    echo "Your choice is $yourchoice."
    realfilename=`find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort | sed -n ${yourchoice}p`
    echo "Command Line: `head -n 1 "$realfilename"`"
    read -p "View '$realfilename' ? " confirm
    if [ "$confirm" = "n" ] || [ "$confirm" = "N" ]
    then
        return 1
    fi
    {
        printf "Command Line: "
        cat "$realfilename"
    } | $PAGER
}

function bgcount ()
{
    find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | cut -d - -f 2,3 | wc | awk '{print $2}'
}

########## Background End ##########

function check_dmesg ()
{
    [ "$#" = "0" ] && return 1

    while true
    do
        PREVIOS_DMESG_BUF="$DMESG_BUF"
        DMESG_BUF="`dmesg`"
        [ "$PREVIOS_DMESG_BUF" '!=' "$DMESG_BUF" ] && [ "$FIRST_RUN" = "0" ] && echo '===> system message buffer was modified <==='
        sleep $1
        [ "$?" '!=' "0" ] && return 1
        FIRST_RUN=0
    done 
}

function prehistory_backup ()
{
    echo "Running prehistory_backup"
    currentcount=`wc "$HISTFILE" | awk '{print $1}'`
    [ '!' -f "$historycountfile" ] && touch "$historycountfile"
    declare -i previoushistorycount
    previoushistorycount=`cat "$historycountfile"`
    if [ "$currentcount" -lt "$previoushistorycount" ]
    then
        printf "\e[1;31mWarning\e[m: Your $HISTFILE may be MODIFIED BY OTHER PROGRAMS!\n"
        printf "Note: \e[1;33m$currentcount\e[m < $previoushistorycount\n"
        echo "Your $historycountfile and $historybackupfile will not be overwritten until this problem is fixed."
        echo " 1. Check your $HISTFILE."
        echo " 2. Edit your $HISTFILE manually if some unexpected changes are found." 
        echo "    (You may need $historybackupfile to do it) "
        echo " 3. Remove the file $historycountfile."
        echo " 4. Run the command \`prehistory_backup' again."
        return 1
    fi
    echo "$currentcount" > "$historycountfile"
    cp -f "$HISTFILE" "$historybackupfile"
}




# Starting doing something

startcolor
prehistory_backup

umask 0022

tty -s
if [ "$?" = "0" ]
then
    bind '"\e[A":history-search-backward'
    bind '"\e[B":history-search-forward'
fi

shopt -s histappend
shopt -s checkwinsize
shopt -s checkjobs
shopt -s checkhash
shopt -s cmdhist
shopt -s mailwarn

echo "Done"

# check_dmesg.sh 5 &