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March 31, 2010 02:08
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#!/bin/bash | |
:<<'#license' | |
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
Version 2, December 2004 | |
Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> | |
Everyone is permitted to copy and distribute verbatim or modified | |
copies of this license document, and changing it is allowed as long | |
as the name is changed. | |
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
0. You just DO WHAT THE FUCK YOU WANT TO. | |
#license | |
:<<'#version' | |
0.0.1 | |
#version | |
:<<'#keybind' | |
Default key bind is vi-like | |
press h => move up directory | |
press l(L) => chenge directory or edit file or execute file | |
press j => move up line | |
press k => move down line | |
press e => select next file | |
press b => select prev file | |
press : => eval mode | |
#keybind | |
######################################################### | |
declare STATUS=$(basename $(pwd)) # カレントディレクトリの名前 | |
declare -a DIR=() # カレントディレクトリのファイルを一つづつ格納 | |
declare -a LINE=() # DIRの要素を1行づつにくぎった値 | |
declare -i array_length=0 # DIR配列の最大値 | |
declare -i updown=0 # LINEの添字につかう | |
dir_read() | |
{ | |
array_length=0 | |
local -i i=0 | |
local -i length=0 | |
DIR=($(ls -F)) | |
for DIR in ${DIR[@]}; | |
do | |
if [ $length -ge 40 ]; then | |
LINE=("${LINE[@]}" $(expr $i - 1)) | |
array_length=$(expr $array_length + 1) | |
length=0 | |
fi | |
length=$(expr $length + ${#DIR[$i]}) | |
i=$(expr $i + 1) | |
done | |
LINE=("${LINE[@]}" $(expr $i - 1)) | |
array_length=$(expr $array_length + 1) | |
} | |
#行のクリアとカーソルのポジションを先頭に移動する | |
line_erase() | |
{ # \x1B[ => 16進数表記のESC文字 | |
printf "\x1B[2K\x1B[1G" # 2K => カレント行の削除 | |
} | |
declare -a word=(0 1) | |
declare -i x_max=0 | |
body_print() | |
{ | |
word=(0 1) | |
x_max=0 | |
local -i i=0 | |
local -i word_length=0 | |
if [ $updown -eq 0 ]; then | |
while [ $i -lt ${LINE[0]} ]; | |
do | |
printf "%s " ${DIR[$i]} | |
word_length=$(expr $word_length + ${#DIR[$i]}) | |
word=("${word[@]}" $word_length) | |
i=$(expr $i + 1) | |
x_max=$(expr $x_max + 1) | |
done | |
else | |
i=$(expr ${LINE[$(expr $updown - 1 )]}) | |
while [ $i -lt ${LINE[$updown]} ]; | |
do | |
printf "%s " ${DIR[$i]} | |
word_length=$(expr $word_length + ${#DIR[$i]}) | |
word=("${word[@]}" $word_length) | |
i=$(expr $i + 1) | |
x_max=$(expr $x_max + 1) | |
done | |
fi | |
} | |
line_print() | |
{ | |
printf "< %-6s > " ${STATUS:0:6} | |
printf "\x1B[?25l" | |
body_print | |
printf "(%3d/%3d)" $(expr $updown + 1) $array_length | |
printf "\x1B[?25h" | |
printf "\x1B[10G" | |
} | |
move_cursor() | |
{ | |
if [ $cursor_move_flag -ne 0 ]; then | |
if [ $x -gt $x_max ]; then | |
x=$(expr $x_max - 1) | |
elif [ $x -le 0 ]; then | |
x=0 | |
elif [ $x -eq 0 ]; then | |
printf "\x1B[10G" | |
printf "\x1B[0C" | |
elif [ $x -eq 1 ]; then | |
printf "\x1B[10G" | |
printf "\x1B[2C" | |
else | |
printf "\x1B[10G" | |
printf "\x1B[%dC" $(expr ${word[$x]} + $x + 1) | |
fi | |
fi | |
} | |
line_down() | |
{ | |
updown=$(expr $updown + 1) | |
if [ $updown -gt $(expr $array_length - 1) ]; then | |
updown=$(expr $updown - 1) | |
fi | |
} | |
line_up() | |
{ | |
updown=$(expr $updown - 1) | |
if [ $updown -le -1 ]; then | |
updown=0 | |
fi | |
} | |
declare -i cursor_move_flag=0 | |
declare -i x=0 | |
file_select() | |
{ | |
local file | |
file=$(body_print | awk -v position="${x}" '{printf $position}' | tr '\*' ' ') | |
if [ -d "$file" ]; then | |
cd "$file" >/dev/null 2>&1 | |
STATUS=$(basename $(pwd)) | |
updown=0 | |
dir_read | |
x=0 | |
elif [ -x "$file" ]; then | |
line_erase | |
read -p "Do you want to run $file ? y/n: " anser | |
case $anser in | |
'y') | |
./"$file" | |
;; | |
'n') | |
: | |
;; | |
*) | |
;; | |
esac | |
elif [ -f "$file" ]; then | |
vim "$file" | |
fi | |
} | |
dir_read | |
line_erase | |
line_print | |
while : | |
do | |
read -s -n1 c | |
case $c in | |
'j') | |
line_down | |
x=0 | |
line_erase | |
line_print | |
;; | |
'k') | |
line_up | |
line_erase | |
line_print | |
x=0 | |
;; | |
'q') | |
break | |
;; | |
'h') | |
{ #もどるボタン( < )を押したっぽくみせる | |
printf "\x1B[1G" | |
sleep 0.1 | |
printf "\x1B[10G" | |
} | |
#pushdするかどうかの判断 | |
if [ "$STATUS" != "/" ]; then | |
pushd . >/dev/null 2>&1 | |
cd .. | |
STATUS=$(basename $(pwd)) | |
updown=0 | |
fi | |
dir_read | |
x=0 | |
line_erase | |
line_print | |
;; | |
"l") | |
if [ $cursor_move_flag -eq 0 ]; then | |
popd >/dev/null 2>&1 | |
STATUS=$(basename $(pwd)) | |
updown=0 | |
dir_read | |
x=0 | |
else | |
file_select | |
fi | |
line_erase | |
line_print | |
;; | |
'e') | |
x=$(expr $x + 1) | |
cursor_move_flag=1 | |
move_cursor | |
;; | |
'b') | |
x=$(expr $x - 1) | |
move_cursor | |
;; | |
':') #入力した文字列をevalする | |
line_erase | |
read -e -p ": " command; eval "$command" | |
line_erase | |
line_print | |
;; | |
esac | |
done | |
line_erase | |
printf "\x1B[1Gbye!\n" |
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