for file in "$directory"/*; do # Get the current file name current_name=$(basename "$file") # Get the file extension extension="${current_name##*.}" # Generate the new file name new_name="${prefix}-$(printf "%0${bits}d" "$starting_number").${extension}" # Rename the file...
Suppose your current directory contains hundreds of image files, but you only want to see the PNG files; the ones whose file names end with .png. Here's the command to list only those files:Bash Copy ls *.png Note Linux has no formal concept of a file-name extension as other ...
使用 alias 创建别名 alias ll='ls -alh' 注意：等号前后不要有空格,不能写成 alias ll = 'ls...
command >&2 把command的标准输出(stdout)重定向到标准错误(stderr)中; scriptname >>filename 把scriptname的输出(同>)追加到文件filenmae中,如果文件不存在则创建。 [i]<>filename 打开filename这个文件用来读或者写,并且给文件指定i为它的文件描述符(file descriptor),文件不存在就会创建。 34. (command)>,...
as the directory name:Bash Copy cd .. This command changes to your home directory; the one you land in when you first sign in:Bash Copy cd ~ You can create directories by using the mkdir command. The following command creates a subdirectory named orders in the current working directory...
在Bash 脚本中,$0是一个特殊变量,它代表当前脚本的路径和名称。这个变量用于表示脚本自身,它是 Bash 环境中的一个重要组成部分。$0变量是一个只读变量,无法更改。 在Bash 脚本中,$0变量通常用于以下情况: 1. 显示脚本的名称和路径 可以使用$0变量来显示脚本的名称和路径。通常,这种情况下,我们使用 echo 命令来输...
Bash reads and executes commands from this file, then exits. Bash's exit status is the exit status of the last command executed in the script. If no commands are executed, the exit status is 0. An attempt is first made to open the file in the current directory, and, if no file is...
uname:Unix name lsmod:List modules mv:Move file cp:Copy file ln:Link files fg:Foreground bg:Background chown:Change owner chgrp:Change group chmod:Change mode umount:Unmount dd: 本来应根据其功能描述"Convert an copy"命名为"cc",但"cc"已经被用以代表"CComplier",所以命名为"dd" ...
Note: If you want to override what shell's initialization file is updated, set theSHELLenvironment variable to that shell's file name (e.g.,fish) before calling the installation command; e.g., from a POSIX-compatible shell:curl -L https://bit.ly/n-install | SHELL=fish bash; similarly...
We assume you have installed ComplianceAsCode system-wide into a standard location from current upstream sources as instructed in the previous section. There are several ways to consume ComplianceAsCode content, we will only go through a few of them here. ...