mkdir "$folder" fi # -f 参数判断 $file 是否存在 if [ ! -f "$file" ]; then touch "$file" fi # -n 判断一个变量是否有值 if [ ! -n "$var" ]; then echo "$var is empty" exit 0 fi # 判断两个变量是否相等 if [ "$var1" = "$var2" ]; then echo '$var1 eq $var2' ...
Let’s take a look at the code that is used to check if the directory of the folder exists in our system or not. For that, we will be using a purely new folder. Therefore, within the terminal shell query area, we have tried the “mkdir” command to create a new directory named “...
# ZSH_CUSTOM=/path/to/new-custom-folder # Which plugins would you like to load? # Standard plugins can be found in ~/.oh-my-zsh/plugins/* # Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/ # Example format: plugins=(rails git textmate ruby lighthouse) # Add wisely,...
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The whole script is available here. To use it, save the script as a plain text file in the root of your home folder (alternatively, save it in an/sbinfolder. You can doecho $PATHon the command line to get a list of places you can save it to if you’re not sure). ...
Check Number of Arguments in Bash Check If Variable Is Empty in Bash Bash for Loop 1 to 10 Get Filename without Extension in Bash Bash Echo to stderr Convert Float to Integer in Bash If Not Condition in Bash Round to 2 Decimal Places in Bash Bash Create Folder if Not ExistsShare...
Tests can be run by invoking doc_test.sh file1 folder1 file2 ...Options:--help|-h Print help message. --side-by-side Print diff of failing tests side by side. --no-check-namespace Do not warn about unprefixed definitions. --no-check-undocumented Do not warn about undocumented functio...
Using a virtual terminal is not really convenient. For example, if you want to edit a document and execute another command at the same time, you are better off using virtual terminal emulators like: GNOME Terminal Terminator iTerm2 ConEmu ...
There are two alternative ways to delete a directory, file, or folder in Bash. We can delete the folders or directories using two different commands. The “rmdir” command is used to delete the empty folders or directories. The “rm” command is used to delete the folders or directories th...
whereis 查找可执行文件、源文件或者说明文档的位置,使用的是一个系统自动构建的数据库。 whereis name 示例: $ whereis php /usr/bin/php d. which which 在环境变量 PATH 指定的所有文件夹中查找可执行文件的位置。它会打印出可执行文件的绝对路径。 which program_name 示例: $ which php /c/xampp/php...