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。
鳥哥的 Linux 私房菜 -- 學習 Shell Scripts 還不需要用到 fortran, c 這類高階的程式語言呢! scripts 本身就是一個可以用的 program 囉! ... 等等的,都是為了接著而來的 scripts 的咚咚啦!什麼是 script 啊?由字面上的意思來說, script 就是『腳本、劇本』的意思,那夠清楚了吧!
linux - Unix Bash Shell Programming if directory exists ... 2013年9月29日 - So I'm trying to get into an if statement in a bash shell script but I think ... bin/bash read sd if [ -d "~/tmp/$sd" ]; then echo "That directory exists" ...
HowTo: Check If a Directory Exists In a Shell Script - nixCraft 2013年4月14日 - [ -d "/path/to/dir" ] && echo "Directory /path/to/dir exists." || echo "Error: ... Shell script examples to see if a ${directory} exists or not. The following ...
Linux / UNIX: Find Out If a Directory Exists or Not - nixCraft 2008年11月16日 - [ -d /tmp ] && echo 'Directory found' || echo 'Directory /tmp not found'. Sample Shell Script to gives message if directory exists. Here is a sample ...
How to check if a directory exists in Linux command line ... 2010年1月21日 - That is command line. You can type that into bash directly, or you can resume it to test -d /the/dir : test -d /the/dir && echo "exist" || echo "does ...
Linux / Unix Shell Script: Get The Current Directory This tutorial explains how to find out the current working directory under Linux / *BSD / Apple OS X / Unix like operating systems using pwd and store to a shell variable. ... I am working on a shell script. I need to find out the current working director
Shell Script Help - www.bigcalm.org if [ ! condition ] If condition is not true if [ -f $FILENAME ] If file exists called $FILENAME if [ -d $DIRNAME ] If directory exists called $DIRNAME if [ -x $FILENAME ] if file $FILENAME is executable if [ -w $FILENAME ] if file $FILENAME is writable if
Change directory in a shell script | Unix Linux Forums | Linux How do u change ur directory using a shell script?? ... When you run the script in this manner, all the changes you make to env variables will remain after your exit the script.
UNIX and Linux Shell Script Test Command - IT For Everyone! test returns true in the following cases: test s s is not a null string test -n string string is nonzero test sting1 = string2 the two strings are equal test sting1 != string2 the two strings are not equal test integer1 -eq integer2 the integers are equal