for file in /path/to/directory/*; do if [ -f "$file" ]; then mv "$file" "${file%.txt}.bak"fi done echo "文件已重命名"```4. 遍历数组并输出每个元素的平方：```bash #!/bin/bash numbers=(1 2 3 4 5)for num in "${numbers[@]}"; do echo
/bin/bash # 指定要遍历的目录 directory="/path/to/directory" # 遍历目录下的所有文件和子目录 for file in "$directory"/* do if [ -d "$file" ]; then # 处理子目录 echo "子目录: $file" # 在这里可以进行其他操作,如进入子目录继续遍历等 elif [ -f "$file" ]; then # 处理文件 echo ...
for file in /path/to/directory/*; do if [[ -f $file ]]; then echo $file # 在这里可以对文件进行操作,比如复制、移动、重命名、删除等 fi done 上述代码中,/path/to/directory/表示待遍历的目录路径,*表示通配符,表示遍历该目录下的所有文件。$file表示当前遍历到的文件名。 在遍历过程中,使用-f条...
关键字for是内置在Bash shell中的。许多类似的 shell 会使用和 Bash 同样的关键字和语法,但是也有某些 shell ,比如tcsh,使用不同的关键字,例如foreach。 tcsh 的语法与 Bash 类似,但是它更为严格。例如在下面的例子中,不要在你的终端的第 2、3 行键入foreach?。它只是提示你仍处在构建循环的过程中。 $ fo...
Usage: mkdir [OPTION]... DIRECTORY... Create the DIRECTORY(ies), if they do not already exist. Mandatory arguments to long options are mandatory for short options too. -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask -p, --parents no error if existing, make parent...
since the input to PathPicker can be anystdoutfrom another program. Rather than make specialized parsers for each program, we treat everything as noisy input, and select candidates via regexes. To limit the number of calls to the filesystem (to check existence), we are fairly restrictive on ...
-bash: ls: No such file or directory 最后稍微讲一下这个PS1(并不是索尼的Play Station游戏机,哈)。它是Bash在终端上显示的命令行提示信息,比如我之前的命令行提示总是为[ken@Dell-Desktop ~]$,假如我们现在修改下PS1的值,就会发现命令提示符变了 ...
"User configurable variables are in" "setupTermuxArchConfigs.bash" ". To create this file from" "kownconfigurations.bash" "in the working directory, run" "bash ${0##*/} manual" "to create and edit" "setupTermuxArchConfigs.bash" "." printf "\\n\\e[1;33m %s\\e[1;34m %s \\e[...
dic = { 'sum_size':0, 'file_num':0, 'directory_num':0 } def get_size(path,txt): items =os.listdir(path) files = [] dirs = [] sum_size = 0 for item in items: it 遍历文件夹 python 转载 小鱼儿 2023-05-31 22:41:01 ...
(for example) symbolic links in case the file provides completions for more than one command. The completion filename for commandfooin this directory should be eitherfoo, orfoo.bash. (Underscore prefixed_fooworks too, but is reserved for bash-completion internal use as a deprecation/fallback ...