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 ...
Shell Programming 你是本篇文章第 位訪客(since 03/09/2005) UNIX Shell Programming (Borne Shell or /bin/sh) UNIX Shell Script UNIX Shell本身是一個交談式的命令環境，也是一個功能強大的譯式程式語言(Interpreter)。一般我們稱以UNIX Shell 寫成的程式為Shell Script。
Bash Shell: Check File Exists or Not - nixCraft 2012年4月20日 - This article describes how to check check if a text file exist ... in BASH Shell ... -b FILE FILE exists and is block special -c FILE FILE exists and is character special - d FILE ...
Linux/UNIX: Find Out If File Exists With Conditional Expressions ... 2006年2月16日 - With the help of BASH shell and IF command it is possible to find out if file exists or not.
Shell script to check if file exists - Stack Overflow 2013年3月9日 - Shell script to check if file exists .... The standard Unix shell interpolates environment variables, and what are called globs before it passes the ... cat > waitfor.csh #!
scripting - How do I tell if a file does not exist in bash? - Stack Overflow bin/bash FILE=$1 if [ -f $FILE ]; then echo "File $FILE exists. ... To be pendantic, you should say "regular file", as most UNIX/POSIX docs refer ...
Introduction to if The TEST-COMMAND list is executed, and if its return status is zero, the ... More information about this subject can be found in the Bash documentation. ... valid UNIX command, any executable program, any executable shell script or any shell ...
Linux / UNIX: Check If File Is Empty Or Not Using Shell Script Linux check if file empty or not - a sample shell command and script to check that file is empty or has data in it under bash / ksh / sh UNIX / Linux / OS X shell.
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
File test operators Advanced Bash-Scripting Guide: Prev, Chapter 7. Tests, Next. 7.2. File test operators. Returns true if... -e. file exists. -a. file exists. This is identical in effect to -e.
