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- www.l-penguin.idv.tw
  
  Linux Shell Script
  
  如果說 Linux 世界裡是所有小型工具的集散地，那麼你的 Shell Script 就是整合這些小工具的“特定工具”，再拿出剛剛的列子來說，我想要先印出目前目錄裡的元件 ...
  
  2025-04-24
  
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  鳥哥的 Linux 私房菜 -- 一些 Linux 系統的基礎問題
  
  Multitask 指的是多工環境，在 Linux 系統下， CPU 與其他例如網路資源可以同時進行多項工作， Linux ... 在環境變數當中，『使用者家目錄、主機名稱』的變數名稱為： HOME, HOSTNAME 如何讓一個變數可以持續到下一個程序 (PID) 去 ...
  
  2025-04-23
  
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HowTo: Get / Print Current Date in Unix / Linux Shell Script

日期：2025-04-25

H ow do I get the current date in Unix or Linux shell scripting and store it into a shell variable? How do I print the current date using Unix shell script? You need to use the following syntax to print current date and time on screen:...

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Linux - Shell Script - Stony Brook University - Department of Applied Mathematics & Statistic

日期：2025-04-22

This variable consists of a string which records the name of the current directory. $term, $TERM The terminal type. ... Mathematical Operator in Shell Script Meaning Normal Arithmetical/ Mathematical Statements But in Shell For test statement with if -eq ...

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Unix shell scripting with ksh/bash - Dartmouth College

日期：2025-04-22

A tutorial on Unix shell scripting with Bourne and Korn shells ... \0n where n is the 8-bit character whose ASCII code is the 1-, 2- or 3-digit octal number representing that character. -n suppress newline...

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Writing shell scripts - Lesson 15: Errors and Signals and Traps ...

日期：2025-04-29

... not zero, we print an error message on standard error and terminate the script with an exit status of 1....

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Shell script - Wikipedia, the free encyclopedia

日期：2025-04-28

A shell script is a computer program designed to be run by the Unix shell, a command line interpreter.[1] The various dialects of shell scripts are considered to be scripting languages. Typical operations performed by shell scripts include file manipulati...

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Shell script print all arguments | Sany's Linux and Open Source Blog

日期：2025-04-24

There are some predefined variables which holds some data related to arguments in shell. $# - to print arguments size. $* and $@ - to print all arguments that are passed to a shell script(we can use the in loops - for or while). Examples: My script t.sh c...

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Two simple tricks for better shell script error handling | TurnKey GNU/Linux Blog

日期：2025-04-22

Hi Saurav , Here is a simple awk statement which will print your output as you wanted Input.txt 1,B.Sc,Calcutta 1,M.Sc,Stanford 2,M.A.,Pune 3,M.Tech,IIT Guwahati 4,B.Tech,Shibpur 4,M.Tech,Jadavpur 5,B.Lib.,Calcutta 6,B.Sc.,Bangalore awk statement1: awk .....

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Shell script arrays Syntax error: “(” unexpected | Sany's Linux and Open Source Blog

日期：2025-04-27

Recently when I am using arrays in a script I got the error message as "Shell script arrays Syntax error: "(" unexpected". $ sh arrays.sh #In arrays.sh script I defined some arrays trying to extract values form it The out put I got after running the scrip...

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