code stringlengths 1 1.96M | language stringclasses 1
value |
|---|---|
#!/bin/sh
# ip2host.sh - 從IP位址調查主機名稱
# r_host
# 使用host指令來調查主機名稱
# 結果的最後一個單字就是主機名稱
r_host() {
set -- `host $1`
shift `expr $# - 1`
case $1 in
*\(NXDOMAIN\)) # 找不到時
return 1 ;;
*)
expr "$1" : "\(.*\)\." #主機名稱最後的「.」要拿掉
esac
}
# r_nslookup
# 使用nslookup來調查主機名稱
# 找出有「Name: HOS... | Shell |
#!/bin/sh
# mail_send.sh - 整理郵件的格式，若有必要的話送出郵件
# 從標準輸入接收訊息，進行漢字碼的轉換．標頭的MIME編碼之後
# 寫到標準輸出上
# (若有指定選項「--send」的話，則送出郵件)
#
# 若沒有「From:」「Message-Id:」標頭的話，則把它加上去
# sendmail的「-f」選項永遠都是傳FROM_ADDRESS(在這個script中有定義)給它
#
# 調查sendmail的位置
if [ -x /usr/sbin/sendmail ]; then
SENDMAIL_PATH="/usr/sbin/sendmail"
elif [ -x /usr/li... | Shell |
#!/bin/bash
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.o... | Shell |
#!/bin/sh
# np_client.sh - 使用FIFO的用戶端行程
PIPE=/tmp/np_server.pipe
# 確認伺服器是否為執行中
if [ ! -e $PIPE ]; then
# 若FIFO不存在的話，則顯示錯誤並結束
echo "np_server.sh is not running."
exit 1
fi
# 與伺服器連線，並確認版本
echo "SVER" >>$PIPE
read code ver <$PIPE
echo "Connected to np_server.sh (ver $ver)"
# 將從標準輸入讀入的資料傳送給伺服器，取得單字數(要按Ctrl... | Shell |
#!/bin/sh
# is_host_alive.sh - 使用ping來調查指定的主機是否還活著
# Solaris以外系統中的ping的使用法
PING="ping"
PING_OPT="-c 1"
PING_ALIVE=' 0%'
# Solaris的話，ping的使用方法有些不同
if [ -x /usr/sbin/ping ]; then
PING="/usr/sbin/ping"
PING_OPT=""
PING_ALIVE='alive'
fi
# Solaris中的話「... is alive」
# 其它系統的話「..., 0% packet loss」表示指定的主機還活著
$PIN... | Shell |
#!/bin/bash
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.o... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: socket.sh
# Description:
#
# Edit History:
# 2010-12-16 File created.
#========================================================================
#How to forcibly close a socket in TIME_... | Shell |
#!/bin/bash
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.o... | Shell |
#!/bin/bash
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.o... | Shell |
#!/bin/sh
# np_server.sh - 使用FIFO的伺服器行程
# 初始設定
PIPE=/tmp/np_server.pipe
SVER=1
# cleanup
# 結束時將FIFO刪除
cleanup() {
echo "cleanup" >&2
[ -p $PIPE ] && rm $PIPE
exit
}
# 若FIFO已存在，則顯示錯誤並結束
if [ -e $PIPE ]; then
echo "Named pipe $PIPE already exist."
echo "If it is sure that server is not running... | Shell |
#!/bin/sh
# autoresponder.sh - 自動回覆郵件
FROM_ADDRESS="query@nnip.org"
TAB=`printf "\t"`
# cleanup
# 在shell script中斷．結束時會被呼叫的函數
cleanup() {
[ -n "$temp" ] && rm $temp
}
# header
# 抽取出指定的標頭的內容
header() {
sed '/^$/q' $temp | grep -i "$1:" | sed 's/.*:[ $TAB]*\(.*\)/\1/'
# 用sed將訊息的開頭到第一個空行的部分抽取出來(/^$... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: sleep.sh
# Description:
#
# Edit History:
# 2011-01-19 File created.
#========================================================================
#sleep can be used in a loop to repeat a j... | Shell |
#!/bin/sh
# nice.sh - nice指令的範例
# do_load
# 讓系統增加負荷(提高CPU使用率)的函數
do_load() {
while true; do
gzip -9 -c /bin/sh > /dev/null # 增加系統負荷
done
}
# 在背景中增加系統負荷
do_load &
bgpid=$!
# 用不同的nice值去執行程式
time nice -n 0 gzip -9 -c /bin/sh > /dev/null
time nice -n 10 gzip -9 -c /bin/sh > /dev/null
time nice -n 20 gzip... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: xargs.sh
# Description:
#
# Edit History:
# 2011-01-18 File created.
#========================================================================
#-n表示最多把多少個資料送給cat處理,這邊一次只cat一個檔案
ls -l ... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: eval.sh
# Description:
# 重新運算字串並且執行,類似sql injection的感覺, command injection的一種
#
# -
# Edit History:
# 2011-04-29 File created.
#========================================================... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: backtick.sh
# Description:
# 執行方法有
# `command`
# "command"
# $(command)
# (command)
# {command}
# eval "$command"
# Edit History:
# 2011-02-25 File created.
#=========... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: process.sh
# Description:
#
# Edit History:
# 2010-12-21 File created.
#========================================================================
#shell script不會顯現,要再一般模式下執行
#disable the... | Shell |
#!/bin/sh
# ulimit.sh - ulimit的範例
# 限制CPU時間
ulimit -t 1
# 永遠重複複雜的計算
i=1
while true; do
i=`expr $i \* -5 + 20`
echo "$i"
done
| Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: subshell.sh
# Description:
#
# Edit History:
# 2011-04-30 File created.
#========================================================================
# [A] 在背景中執行make與make install
# (只... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: process.sh
# Description:
#
# Edit History:
# 2010-12-21 File created.
#========================================================================
#shell script不會顯現,要再一般模式下執行
#disable the... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: sleep.sh
# Description:
#
# Edit History:
# 2011-01-19 File created.
#========================================================================
#sleep can be used in a loop to repeat a j... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: eval.sh
# Description:
# 重新運算字串並且執行,類似sql injection的感覺, command injection的一種
#
# -
# Edit History:
# 2011-04-29 File created.
#========================================================... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: subshell.sh
# Description:
#
# Edit History:
# 2011-04-30 File created.
#========================================================================
# [A] 在背景中執行make與make install
# (只... | Shell |
#!/bin/sh
# ulimit.sh - ulimit的範例
# 限制CPU時間
ulimit -t 1
# 永遠重複複雜的計算
i=1
while true; do
i=`expr $i \* -5 + 20`
echo "$i"
done
| Shell |
#!/bin/sh
# wait.sh - 等待子行程結束
# 將這個函數當成子行程(subshell)來執行
sub_process() {
echo "Sub-process: start"
sleep 5
echo "Sub-process: end"
}
sub_process & # 在背景執行子行程
wait $! # 等候子行程結束
echo "Finished!"
| Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: backtick.sh
# Description:
# 執行方法有
# `command`
# "command"
# $(command)
# (command)
# {command}
# eval "$command"
# Edit History:
# 2011-02-25 File created.
#=========... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: xargs.sh
# Description:
#
# Edit History:
# 2011-01-18 File created.
#========================================================================
#-n表示最多把多少個資料送給cat處理,這邊一次只cat一個檔案
ls -l ... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: group.sh
# Description:
#
# Edit History:
# 2011-04-29 File created.
#========================================================================
# grouping.sh - grouping的例子
# 使make與make ... | Shell |
#!/bin/sh
# nice.sh - nice指令的範例
# do_load
# 讓系統增加負荷(提高CPU使用率)的函數
do_load() {
while true; do
gzip -9 -c /bin/sh > /dev/null # 增加系統負荷
done
}
# 在背景中增加系統負荷
do_load &
bgpid=$!
# 用不同的nice值去執行程式
time nice -n 0 gzip -9 -c /bin/sh > /dev/null
time nice -n 10 gzip -9 -c /bin/sh > /dev/null
time nice -n 20 gzip... | Shell |
#!/bin/sh
# forkmany.sh - 啟動很多行程
for i in 1 2 3 4 5 6 7 8 9 10; do
sleep 100 &
done
| Shell |
#!/bin/sh
# wait.sh - 等待子行程結束
# 將這個函數當成子行程(subshell)來執行
sub_process() {
echo "Sub-process: start"
sleep 5
echo "Sub-process: end"
}
sub_process & # 在背景執行子行程
wait $! # 等候子行程結束
echo "Finished!"
| Shell |
#!/bin/sh
# forkmany.sh - 啟動很多行程
for i in 1 2 3 4 5 6 7 8 9 10; do
sleep 100 &
done
| Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: group.sh
# Description:
#
# Edit History:
# 2011-04-29 File created.
#========================================================================
# grouping.sh - grouping的例子
# 使make與make ... | Shell |
#!/bin/bash
# arith_bash.sh - bash的四則運算
x=5
y=9
z=13
# 與expr的時候不一樣，不需將特殊符號用「\」來做脫逸(escape)
# 變數前的「$」也可以省略
a=$(( x*y ))
b=$(( (y+z)/x ))
echo "$a"
echo "$b"
| Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: bc.sh
# Description:
#
# Edit History:
# 2011-01-19 File created.
#========================================================================
bc <<eof
scale=4
8/3
2.6666
2.5 * 4.1/6.9
1.4... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: expr.sh
# Description:
# expr integer1 operand integer2
#
# Operand Description
# + Addition
# - Subtraction
# \* Multiplication
# / Integer division (any fraction in the r... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: random.sh
# Description:
#
# -random_bash - 使用bash的RANDOM變數來取得亂數
# -random - 使用ruby來產生亂數
# Edit History:
# 2011-04-30 File created.
#==============================================... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: expr.sh
# Description:
# expr integer1 operand integer2
#
# Operand Description
# + Addition
# - Subtraction
# \* Multiplication
# / Integer division (any fraction in the r... | Shell |
#!/bin/sh
# float.sh - 使用bc的浮點數運算
# 定義shell變數
A=5
B=7
# 若沒有設定scale的話，小數點以下會被捨去
echo 'scale=5; sqrt(1/3)' | bc
# 也可以使用here document來寫
bc <<EOF
scale=3
($A + 2) * $B / 11
EOF
| Shell |
#!/bin/sh
# bulkycalc.sh - 一次進行多個計算
# 輸入檔中每行寫一個計算式。bc會從標準輸入逐行取得算式，並計算之。
# 結果會被存在暫存檔中。
# 最後用paste將輸入檔和結果做結合
# 若引數的個數不正確的話，則顯示使用說明
if [ $# -ne 1 ]; then
echo "usage: bulkycalc.sh input-file"
exit 1
fi
# 製作暫存檔
temp=`mktemp /tmp/bulkycalc.XXXXXXXX` || exit 1
cat "$1" | bc > "$temp" # 進行計算
paste -d = "$1" "$te... | Shell |
#!/bin/bash
# arith_bash.sh - bash的四則運算
x=5
y=9
z=13
# 與expr的時候不一樣，不需將特殊符號用「\」來做脫逸(escape)
# 變數前的「$」也可以省略
a=$(( x*y ))
b=$(( (y+z)/x ))
echo "$a"
echo "$b"
| Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: random.sh
# Description:
#
# -random_bash - 使用bash的RANDOM變數來取得亂數
# -random - 使用ruby來產生亂數
# Edit History:
# 2011-04-30 File created.
#==============================================... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: bc.sh
# Description:
#
# Edit History:
# 2011-01-19 File created.
#========================================================================
bc <<eof
scale=4
8/3
2.6666
2.5 * 4.1/6.9
1.4... | Shell |
#!/bin/sh
# bulkycalc.sh - 一次進行多個計算
# 輸入檔中每行寫一個計算式。bc會從標準輸入逐行取得算式，並計算之。
# 結果會被存在暫存檔中。
# 最後用paste將輸入檔和結果做結合
# 若引數的個數不正確的話，則顯示使用說明
if [ $# -ne 1 ]; then
echo "usage: bulkycalc.sh input-file"
exit 1
fi
# 製作暫存檔
temp=`mktemp /tmp/bulkycalc.XXXXXXXX` || exit 1
cat "$1" | bc > "$temp" # 進行計算
paste -d = "$1" "$te... | Shell |
#!/bin/sh
# float.sh - 使用bc的浮點數運算
# 定義shell變數
A=5
B=7
# 若沒有設定scale的話，小數點以下會被捨去
echo 'scale=5; sqrt(1/3)' | bc
# 也可以使用here document來寫
bc <<EOF
scale=3
($A + 2) * $B / 11
EOF
| Shell |
#!/bin/sh
# xyesno.sh - 在GUI中詢問Yes/No
if Xdialog --yesno "Are you sure?" 8 70; then
echo "Your answer was YES."
else
echo "Your answer was NO."
fi
| Shell |
#!/bin/sh
# xsimpleedit.sh - 簡單的文字編輯器
# 啟動時需指定欲編輯的檔名。選擇「OK」之後，會在經過使用者的同意之後
# 將檔案儲存起來。若按下「Cancel」
# 則會在未儲存的情況下結束程式
if ! [ -f "$1" ]; then
echo "usage: xsimpleedit.sh filename"
exit 1
fi
tmp=`mktemp /tmp/xdialog.XXXXXXXX` || exit 1
if Xdialog --editbox "$1" 25 80 2>"$tmp"; then
if Xdialog --yesno "Are you... | Shell |
#!/bin/sh
# xpager.sh - 若沒有指定檔名的話，則顯示
# 選擇檔案用的對話盒
if [ -z "$1" ]; then
fname=`Xdialog --stdout --fselect ./ 25 60` || exit 1
else
fname="$1"
fi
Xdialog --no-cancel --textbox "$fname" 25 80
| Shell |
#!/bin/sh
# xmenu_dlg.sh - 在GUI中從多個項目做選擇
while true; do
result=`Xdialog --stdout --no-tags --menubox \
"Which fruits do you like?" 11 70 4 \
A "Apples" O "Oranges" B "Bananas" X "I'm full!"`
[ $? -ne 0 ] && break
case "$result" in
X)
break 2;; # 跳出while迴圈
A)
fruit="apples";;
O)
... | Shell |
#!/bin/sh
# xyesno.sh - 在GUI中詢問Yes/No
if Xdialog --yesno "Are you sure?" 8 70; then
echo "Your answer was YES."
else
echo "Your answer was NO."
fi
| Shell |
#!/bin/sh
# xmsgbox.sh - 用GUI來顯示訊息
Xdialog --msgbox "Hello, world!" 6 60
| Shell |
#!/bin/sh
# xinputbox.sh - 在GUI中取得1行的輸入
answer=`Xdialog --stdout --inputbox "May I have your name, please?" \
8 70 "Anonymous Coward"`
Xdialog --msgbox "Your name is $answer" 8 70
| Shell |
#!/bin/sh
# xinputbox.sh - 在GUI中取得1行的輸入
answer=`Xdialog --stdout --inputbox "May I have your name, please?" \
8 70 "Anonymous Coward"`
Xdialog --msgbox "Your name is $answer" 8 70
| Shell |
#!/bin/sh
# xsimpleedit.sh - 簡單的文字編輯器
# 啟動時需指定欲編輯的檔名。選擇「OK」之後，會在經過使用者的同意之後
# 將檔案儲存起來。若按下「Cancel」
# 則會在未儲存的情況下結束程式
if ! [ -f "$1" ]; then
echo "usage: xsimpleedit.sh filename"
exit 1
fi
tmp=`mktemp /tmp/xdialog.XXXXXXXX` || exit 1
if Xdialog --editbox "$1" 25 80 2>"$tmp"; then
if Xdialog --yesno "Are you... | Shell |
#!/bin/sh
# xpager.sh - 若沒有指定檔名的話，則顯示
# 選擇檔案用的對話盒
if [ -z "$1" ]; then
fname=`Xdialog --stdout --fselect ./ 25 60` || exit 1
else
fname="$1"
fi
Xdialog --no-cancel --textbox "$fname" 25 80
| Shell |
#!/bin/sh
# xmsgbox.sh - 用GUI來顯示訊息
Xdialog --msgbox "Hello, world!" 6 60
| Shell |
#!/bin/sh
# xmenu_dlg.sh - 在GUI中從多個項目做選擇
while true; do
result=`Xdialog --stdout --no-tags --menubox \
"Which fruits do you like?" 11 70 4 \
A "Apples" O "Oranges" B "Bananas" X "I'm full!"`
[ $? -ne 0 ] && break
case "$result" in
X)
break 2;; # 跳出while迴圈
A)
fruit="apples";;
O)
... | Shell |
#!/bin/sh
# menu_dlg.sh - 使用純文字對話盒讓使用者從選單做選擇
tmp=`mktemp /tmp/dialog.XXXXXXXX` || exit 1
while true; do
dialog --menu "Which fruits do you like?" 11 70 4 \
A "Apples" O "Oranges" B "Bananas" X "I'm full!" 2>"$tmp"
[ $? -ne 0 ] && break
case `cat "$tmp"` in
X)
break 2;; # 跳出while迴圈
A)
fruit=... | Shell |
#!/bin/sh
# yesno_dlg.sh - 用純文字對話盒來詢問Yes/No
dialog --yesno "Are you sure?" 8 70
result=$?
if [ $result -eq 0 ]; then
echo "Your answer was YES."
elif [ $result -eq 1 ]; then
echo "Your answer was NO."
else
echo "Action was cancelled."
fi
| Shell |
#!/bin/sh
# menu_dlg.sh - 使用純文字對話盒讓使用者從選單做選擇
tmp=`mktemp /tmp/dialog.XXXXXXXX` || exit 1
while true; do
dialog --menu "Which fruits do you like?" 11 70 4 \
A "Apples" O "Oranges" B "Bananas" X "I'm full!" 2>"$tmp"
[ $? -ne 0 ] && break
case `cat "$tmp"` in
X)
break 2;; # 跳出while迴圈
A)
fruit=... | Shell |
#!/bin/sh
# pager.sh - 當沒有指定檔名的時候
# 顯示選擇檔案用的對話盒
if [ -z "$1" ]; then
tmp=`mktemp /tmp/dialog.XXXXXXXX` || exit 1
dialog --fselect ./ 12 60 2>"$tmp" || { rm "$tmp"; exit 1; }
fname=`cat "$tmp"`
rm "$tmp"
else
fname="$1"
fi
${PAGER:-more} "$fname"
| Shell |
#!/bin/sh
# xmsgbox.sh - 用GUI來顯示訊息
dialog --msgbox "Hello, world!" 8 70
| Shell |
#!/bin/sh
# xmsgbox.sh - 用GUI來顯示訊息
dialog --msgbox "Hello, world!" 8 70
| Shell |
#!/bin/sh
# pager.sh - 當沒有指定檔名的時候
# 顯示選擇檔案用的對話盒
if [ -z "$1" ]; then
tmp=`mktemp /tmp/dialog.XXXXXXXX` || exit 1
dialog --fselect ./ 12 60 2>"$tmp" || { rm "$tmp"; exit 1; }
fname=`cat "$tmp"`
rm "$tmp"
else
fname="$1"
fi
${PAGER:-more} "$fname"
| Shell |
#!/bin/sh
# yesno_dlg.sh - 用純文字對話盒來詢問Yes/No
dialog --yesno "Are you sure?" 8 70
result=$?
if [ $result -eq 0 ]; then
echo "Your answer was YES."
elif [ $result -eq 1 ]; then
echo "Your answer was NO."
else
echo "Action was cancelled."
fi
| Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: dir.sh
# Description:
#
# Edit History:
# 2011-02-16 File created.
#========================================================================
mkdir "d i r";
touch "f i l e";
echo "===d... | Shell |
#!/bin/sh
# grepedit.sh - 用編輯器開啟符合正規表現的那一行
# 若引數的個數不正確的話，則顯示使用說明
if [ $# -ne 2 ]; then
echo "usage: grepedit.sh regexp filename"
exit 1
fi
regexp="$1"
filename="$2"
# 「rep -n」是表示以「行號:內容」的方式來顯示出找到的那一行內容的意思
# 若有找到與樣式符合的行，則行號會被存到「$1」中
# 若沒找到的話則是「NF」
IFS=':'
set -- `grep -n "$regexp" "$filename" || echo 'NF'`
... | Shell |
#!/bin/sh
# grepedit.sh - 用編輯器開啟符合正規表現的那一行
# 若引數的個數不正確的話，則顯示使用說明
if [ $# -ne 2 ]; then
echo "usage: grepedit.sh regexp filename"
exit 1
fi
regexp="$1"
filename="$2"
# 「rep -n」是表示以「行號:內容」的方式來顯示出找到的那一行內容的意思
# 若有找到與樣式符合的行，則行號會被存到「$1」中
# 若沒找到的話則是「NF」
IFS=':'
set -- `grep -n "$regexp" "$filename" || echo 'NF'`
... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: dir.sh
# Description:
#
# Edit History:
# 2011-02-16 File created.
#========================================================================
mkdir "d i r";
touch "f i l e";
echo "===d... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: find.sh
# Description:
#
# Edit History:
# 2011-01-18 File created.
#========================================================================
##########################################... | Shell |
#!/bin/sh
# find_by_date.sh - 搜尋出在指定的時日被更新的檔案
# 若GNU date有被安裝為gnudate的話，則使用之
gnudate=`which gnudate`
[ -z "$gnudate" ] && gnudate="date"
# cleanup
# 若script被中斷．結束時，則會執行這個函數
cleanup() {
[ -n "$start_tmp" ] && rm "$start_tmp"
[ -n "$end_tmp" ] && rm "$end_tmp"
}
# 若引數的數目不對的話，則顯示使用說明
if [ $# -ne 2 ]; the... | Shell |
#!/bin/sh
# find_by_date.sh - 搜尋出在指定的時日被更新的檔案
# 若GNU date有被安裝為gnudate的話，則使用之
gnudate=`which gnudate`
[ -z "$gnudate" ] && gnudate="date"
# cleanup
# 若script被中斷．結束時，則會執行這個函數
cleanup() {
[ -n "$start_tmp" ] && rm "$start_tmp"
[ -n "$end_tmp" ] && rm "$end_tmp"
}
# 若引數的數目不對的話，則顯示使用說明
if [ $# -ne 2 ]; the... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: find.sh
# Description:
#
# Edit History:
# 2011-01-18 File created.
#========================================================================
##########################################... | Shell |
#!/bin/bash
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.o... | Shell |
#!/bin/bash
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.o... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: find.sh
# Description:
# Find out how many file descriptors are being used
# Edit History:
# 2010-12-22 File created.
#================================================================... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: find.sh
# Description:
# Find out how many file descriptors are being used
# Edit History:
# 2010-12-22 File created.
#================================================================... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: syntax.sh
# Description:
# The invocation syntax for awk and sed is as follows:
# command 'script' filenames
# Here command is either awk or sed, script is a list of commands understood by... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: syntax.sh
# Description:
# The invocation syntax for awk and sed is as follows:
# command 'script' filenames
# Here command is either awk or sed, script is a list of commands understood by... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: delete3rdTo6thLine.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
sed '3,6d' line.txt
| Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: replaceNewLine.sh
# Description:
#
# Edit History:
# 2011-02-23 File created.
#========================================================================
#old version
sed 's/$/\
/' line.... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: get3rdTo6thLine.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
#Any line numbered greater than... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: getTheLast6Lines.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
#[1] : set label loop
#[2] : w... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: replaceNewLine.sh
# Description:
#
# Edit History:
# 2011-02-23 File created.
#========================================================================
#old version
sed 's/$/\
/' line.... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: delete3rdTo6thLine.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
sed '3,6d' line.txt
| Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: get4thLine.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
#When sed reads Line 1 (2, 3), since... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: deleteTheLast6Lines.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
#Steps [1] thru [6] consti... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: getTheLast6Lines.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
#[1] : set label loop
#[2] : w... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: deleteTheLast6Lines.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
#Steps [1] thru [6] consti... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: get4thLine.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
#When sed reads Line 1 (2, 3), since... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: get3rdTo6thLine.sh
# Description:
#
# Edit History:
# 2011-02-24 File created.
#========================================================================
#Any line numbered greater than... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: syntax.sh
# Description:
#
# Action Description
# p Prints the line
# d Deletes the line
# s/pattern1/pattern2/ Substitutes the first occurrence of pattern1 with pattern2.
#
# sed -e '... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: syntax.sh
# Description:
#
# Action Description
# p Prints the line
# d Deletes the line
# s/pattern1/pattern2/ Substitutes the first occurrence of pattern1 with pattern2.
#
# sed -e '... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: strTableExtract.sh
# Description:
#
# Edit History:
# 2011-01-24 File created.
#========================================================================
awk '
/string_data_item:/ {
... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: strTableExtract.sh
# Description:
#
# Edit History:
# 2011-01-24 File created.
#========================================================================
awk '
/string_data_item:/ {
... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: variable.sh
# Description:
# Built-in Variables:
# FILENAME The name of the current input file.
# You should not change the value of this variable.
# NR The number of the current in... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: syntax.sh
# Description:
# http://www.math.utah.edu/docs/info/gawk_1.html
# http://www.grymoire.com/Unix/Awk.html#uh-4
# syntax:
# awk 'script' files
#
# files: a list of one or mor... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: comparision.sh
# Description:
# syntax:
# expression { actions; }
# (expr1) && (expr2)
# (expr2) || (expr2)
# Edit History:
# 2010-12-23 File created.
#==========================... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: ctrlflow.sh
# Description:
# 1. if statement
# if (expression1) {
# action1
# } else if (expression2) {
# action2
# } else {
# action3
# }
# 2. while statement
# while (expression... | Shell |
#!/bin/bash
#========================================================================
# Author: YSLin
# Email:
# File Name: variable.sh
# Description:
# Built-in Variables:
# FILENAME The name of the current input file.
# You should not change the value of this variable.
# NR The number of the current in... | Shell |
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