path: root/bash_include

#!/bin/bash
#
# This file is made by lantw44.
#
# -- UTF-8 --
#

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="$HOME/tmp/bgrun-`whoami`"
trashdir="$HOME/trash"

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 ()
{
    local 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
        read -e -p "CFLAGS: " -i "$CFLAGS" NEWCFLAGS
        read -e -p "LDFLAGS: " -i "$LDFLAGS" NEWLDFLAGS
        [ "$NEWCFLAGS" '!=' '' ] && CFLAGS=$NEWCFLAGS
        [ "$NEWLDFLAGS" '!=' '' ] && LDFLAGS=$NEWLDFLAGS
    else
        shift
    fi
    while [ "$1" '!=' '' ]
    do
        local TARGETFILE="`echo "$1" | cut -d . -f 1`"
        local 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
alias bgrm=bgclean

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

function bglist ()
{
    local viewtime=0
    [ "$1" = "--full" ] && viewtime=1
    {
        for i in `find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort`
        do
            [ "$viewtime" == "1" ] && echo "$i"
            head -n 1 "$i"
        done
    } | {
        if [ "$viewtime" == "1" ]
        then
            local readstat=0
            local -i i=1
            while true
            do
                local dateandtime_long
                local cmdline
                read dateandtime_long
                read cmdline
                [ "$?" '!=' "0" ] && break
                local dateandtime=`basename "$dateandtime_long"`
                local part_year=`echo $dateandtime | cut -c 1-4`
                local part_month=`echo $dateandtime | cut -c 5-6`
                local part_date=`echo $dateandtime | cut -c 7-8`
                local part_hour=`echo $dateandtime | cut -c 10-11`
                local part_minute=`echo $dateandtime | cut -c 12-13`
                local part_second=`echo $dateandtime | cut -c 14-15`
                printf '%6d' "$i" 
                echo " $part_year-$part_month-$part_date $part_hour:$part_minute:$part_second $cmdline"
                i=$i+1
            done
        else
            cat -n
        fi
    } | $PAGER
}

function bgview ()
{
    local -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 $yourchoice."
    local realfilename=`find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort | sed -n ${yourchoice}p`
    echo "Command Line: `head -n 1 "$realfilename"`"
    read -e -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}'
}

function bgclean ()
{
    if [ "$1" = "all" ]
    then
        echo "Removing the directory $bgrunfiledir"
        rm -rf "$bgrunfiledir" &
        return 0
    else
        split_arguments "$@"
        local -i i=0
        while [ "${arglist[$i]}" ]
        do
            arglist[$i]="-e ${arglist[$i]}p"
            i=$i+1
        done
        local oneline
        find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort | sed -n ${arglist[*]} | {
            while read oneline
            do
                echo "Removing $oneline"
                rm -f "$oneline"
            done
        }
    fi
    unset arglist
    unset prefixlist
}

function bgdu () 
{
    du -a "$bgrunfiledir"
}

########## 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" = "4" ] && echo '===> system message buffer was modified <==='
        sleep $1
        [ "$?" '!=' "0" ] && return 1
        FIRST_RUN=0
    done 
}

function prehistory_backup ()
{
    echo "Backing up current history file"
    local currentcount=`wc "$HISTFILE" | awk '{print $1}'`
    [ '!' -f "$historycountfile" ] && touch "$historycountfile"
    local -i previoushistorycount
    previoushistorycount=`cat "$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 $historycountfile."
        echo " 4. Run the command \`prehistory_backup' again."
        return 3
    fi
    echo "$currentcount" > "$historycountfile"
    \cp -f "$HISTFILE" "$historybackupfile"
}

########## Trash Manager ##########

alias trash_put=trash_mv


function trash_mv ()
{
    [ "$#" = "0" ] && return 1
    [ '!' -d "$trashdir" ] && mkdir -p "$trashdir"
    local original_path
    local current_time
    local -i i=0
    split_arguments "$@"
    while [ "${arglist[$i]}" ]
    do
        original_path="`realpath "${arglist[$i]}"`"
        current_time=`date "+%Y%m%d-%H%M%S"`
        better_time=`date "+%Y-%m-%d %H:%M:%S"`
        dirname="`basename "${arglist[$i]}" | sed -e 's/-/_/g' -e 's/ /_/g'`"
        fulldirname="$trashdir/$current_time-$dirname"
        mkdir -p "$fulldirname"
        echo "Move: ${arglist[$i]} -> $fulldirname"
        "${prefixlist[@]}" mv "${arglist[$i]}" "$fulldirname"
        echo "$better_time" > "$fulldirname/information.date"
        echo "$original_path" > "$fulldirname/information.path"
        i=$i+1
        shift
    done
    unset arglist
    unset prefixlist
}

function trash_rm ()
{
    echo bb
}

function trash_ls ()
{
    echo cc
}

function trash_cd ()
{
    echo dd
}

function trash_recover ()
{
    echo yy
}

function trash_count () 
{
    echo zz
}

function trash_du ()
{
    split_arguments "$@"
    local oneline
    find "$trashdir" -maxdepth 1 -mindepth 1 | sort | {
        while read oneline
        do
            echo "'$oneline'"
        done
    } | xargs -n 10 "${prefixlist[@]}" du -s
    unset arglist
    unset prefixlist
}

########## Trash Manager End ##########

########## Help ##########

alias helpf='help_function'
alias helpm='help_myself'

function print_iconv ()
{
    [ "$1" = "$2" ] && cat && return 0
    iconv -f "$1" -t "$2" 
}

function help_function ()
{
    [ "$#" = "0" ] && {
        cat << ENDHELPMSG
 <<< Help >>>
    help_myself [arguments ...]
    help_function [functions ...]
 <<< Group Background >>>
    bgrun command [arguments ...]
    bglist [--full]
    bgview [number]
    bgclean [all | numbers ...]
    bgcount
    bgdu
 <<< Group Trash >>>
    trash_mv [filename ...] [-- prefix ...]
    trash_ls
    trash_cd [number]
    trash_recover [number] [-- prefix ...]
    trash_rm [all | numbers ...] [-- prefix ...]
    trash_count
    trash_du [-- prefix ...]
 <<< Other >>>
    split_arguments [arguments ...]
    compile_all [-n] filename ...
    convert_to_html filename ...
    mkscreenacl username ...
    check_dmesg seconds
    prehistory_backup
ENDHELPMSG
    } && return 0
    local current_charset=`echo "$LC_ALL" | cut -d . -f 2`
####local helpmsg_bgrun[0]='bgrun command [arguments ...]'
####local helpmsg_bgrun[1]='執行指令 command 並將輸出導入檔案'
####local helpmsg_bgrun[2]='註：此函式會自動以目前時間和指令名稱為檔案命名'
####local helpmsg_bglist[0]='bglist [--full]'
####local helpmsg_bglist[1]='列出所有使用 bgrun 執行的指令'
####local helpmsg_bglist[2]='若加上 --full 選項，則可同時察看時間'
####local helpmsg_view[0]='bgview [number]'
####local helpmsg_view[1]='顯示以 bgrun 執行指令的輸出，若省略 number，表示是最近一次執行的指令'
####local helpmsg_view[2]='若 number >  0，表示第 number 個指令 (此數值可由 bglist 函式取得)'
####local helpmsg_view[3]='若 number <= 0，表示第「指令總數-number」個指令 (指令總數可由 bgcount 函式取得)'
    local -i i
    while [ "$1" ]
    do
        case "$1" in
            "bgrun")
# echo "Run a command in background and redirect its output to file."
# echo "Note: The name of the file is automatically generated from current time and command name."
#               i=0; while [ "${helpmsg_bgrun[$i]}" ]; do print_iconv "UTF-8" "$current_charset" "${helpmsg_bgrun[$i]}"; i=$i+1; done
                cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
bgrun command [arguments ...]
    執行指令 command 並將輸出導入檔案
    註：此函式會自動以目前時間和指令名稱為檔案命名
ENDHELPMSG
                ;;
            "bglist")
# echo "List command started by bgrun."
# echo "    Options:"
# echo "      --full   print time as well."
#               i=0; while [ "${helpmsg_bglist[$i]}" ]; do print_iconv "UTF-8" "$current_charset" "${helpmsg_bglist[$i]}"; i=$i+1; done
                cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
bglist [--full]
    列出所有使用 bgrun 執行的指令
    若加上 --full 選項，則可同時察看時間
ENDHELPMSG
                ;;
            "bgview")
#               i=0; while [ "${helpmsg_bgview[$i]}" ]; do print_iconv "UTF-8" "$current_charset" "${helpmsg_bgview[$i]}"; i=$i+1; done
                cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
bgview [number]
    顯示以 bgrun 執行指令的輸出，若省略 number，表示是最近一次執行的指令
    若 number >  0，
        表示第 number 個指令 (此數值可由 bglist 函式取得)
    若 number <= 0，
        表示第「指令總數-number」個指令 (指令總數可由 bgcount 函式取得)
ENDHELPMSG
                ;;
            "bgclean")
                cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
bgclean [all | numbers ...]
    bgclean all 可清除所有指令的輸出檔
    bgclean 3 5 7 10 表示清除第 3、5、7、10 個指令輸出檔 (編號可由 bglist 取得)
ENDHELPMSG
                ;;
            "bgcount")
                cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
bgcount
    顯示指令輸出檔總數
ENDHELPMSG
                ;;
            "bgdu")
                cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
bgdu
    顯示每個指令輸出檔的檔案大小 (單位：KB)
ENDHELPMSG
                ;;
            *)
                echo "Help message for $1 is not found"
                ;;
        esac
        shift
    done
}

function help_myself () 
{
    echo "argc = $#"
    echo "argv[0] = $0"
    i=1
    while [ "$1" ]
    do
        echo "argv[$i] = $1"
        i=$(($i+1))
        shift
    done
}

########## Help End ##########

function split_arguments ()
{
    local argcount=$#
    local -i i=0
    local prefix_start=0
    while [ "$1" ]
    do
        if [ "$prefix_start" == "0" ]
        then
            if [ "$1" = "--" ]
            then
                prefix_start=1
                i=0
                shift
                continue
            else
                arglist[$i]="$1"
            fi
        else
            prefixlist[$i]="$1"
        fi
        i=$i+1
        shift
    done
}

# Doing something

startcolor
prehistory_backup

umask 0022

echo "Setting key binding"

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

echo "Setting shell options"

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

echo "Done"

# check_dmesg.sh 5 &