鳥哥的Linux 私房菜-- 學習Shell Scripts 2009年2月18日 - 如果你真的很想要走資訊這條路,並且想要管理好屬於你的主機,那麼,別說鳥哥不告訴你, 可以自動管理系統的好工具: Shell scripts!這傢伙真的 ...
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 ...
Date math in Linux shell script? | Ask Dave Taylor Within a Linux shell script to be used as a cron job, how do I calculate the current date, the current date – n days, and the current date + n days ? This script is to be used to partition an oracle database, and automatically drop old partitions (n+1) an
how to get output string parameter from Java to shell script (Linux / UNIX forum at JavaRanch) Hi, Does anyone know how to get output string parameter from Java to shell script. which means when shell script execute a java with input string par ... Not really a String per se, but you can get at the output stream of the script process; that's pretty
Shell script to perform operations like compare string, concatenate, find length, occurrence of word Code, Example for Shell script to perform operations like compare string, concatenate, find length, occurrence of word in a string and reverse a string in Unix / Linux ... Other Interesting Articles in Unix / Linux / Ubuntu: Write a shell program to conca
UNIX/Linux Bash Shell Scripting: Shell Script to Check Whether a String is Palindrome or not #!/bin/bash # SCRIPT: palindrome2.sh # USAGE: palindrome.sh or palindrome.sh STRING # PURPOSE: Script to test if a given string is a palindrome. # # In this script I uses the well known method, compare first character # with last character, up to middle o
Shell script to find the length of a string | Programming in Linux awk has a built in function called length with which you can find the length of a string. The following shell script shows how to find the length of the string with awk #!/bin/sh #Shell script to find the length of the string string="Joys of Programming"
HowTo: Reverse a String In Unix / Linux Shell? Explains how to reverse a string under Linux or Unix like operating system using command, perl, and bash shell script. ... Python equivalent: echo foo | python -c 'import sys;print(sys.stdin.read().strip()[::-1])' python -c 'import sys;print(sys.stdin.rea
linux - How to compare strings in Bash script - Stack Overflow I need to compare a variable to some string (and do something if they match). ... Good point, when applied in other languages. It makes little sense here: assigning the string would need to lose the quotes, the $ and replace the "==" with "=" .
How to check NULL in a string in Shell Script ? | Open Source Blog - Java,Python,Linux Jan 3 How to check NULL in a string in Shell Script ? The following code snippet will tell whether a string is null or not . VALUE= if [ ! -n "$VALUE" ]; then echo "null"; else echo "String is not null" fi Posted 3rd January 2011 by Srikrishnan's Blog for