progname=${0##*/} ## Get the name of the script without its path ## Default values verbose=0 filename= ## List of options the program will accept; ## those options that take arguments are followed by a colon optstring=f:v ## The loop calls getopts until there are no more options...
/bin/bashecho“Current absolute file path name is:$_”echo“$-“echo“Second$_”letcnt=1echo“Third$_”echo“$cnt”echo“Fourth$_” 执行命令: ./test_3.sh 输出的结果是: Current absolute file path name is: ./test_3.sh hB Second hB Third cnt=1 1 Fourth 1 解释如下: 由于我们是在当...
printf '' >file 1. 2. 3. 4. 5. 6. 7. 提取两个标记之间的线条 示例功能: extract() { # Usage: extract file "opening marker" "closing marker" while IFS=$'\n' read -r line; do [[ $extract && $line != "$3" ]] && printf '%s\n' "$line" [[ $line == "$2" ]] && ...
博主使用 ubuntu 系统, shell 为 bash. 这个脚本也可以用在 mac 系统上.听说 windows 系统出了 ubuntu on windows, 不知道能不能使用这个脚本.
Here we create a symbolic link from the bash script in the repo to/usr/local/bin/which is assumed to be in the current$PATH: ln -s "$(pwd)/fpp" /usr/local/bin/fpp fpp --help # should work! Add-ons For tmux users, you can additionally installtmux-fppwhich adds a key combination...
# Extract code blocks from MarkDown file. $ extract ~/projects/pure-bash/README.md '```sh' '```' # Output here... 文件路径 获取文件路径的目录名称 替代dirname命令。 示例功能: dirname() { # Usage: dirname "path" printf '%s\n' "${1%/*}/" ...
Write a Bash script that extracts specific files (e.g., file1.txt, file2.txt) from a tar archive named "archive.tar.gz" into a directory named "extracted_files". Code: #!/bin/bash # Extract specific files from the tar archive "archive.tar.gz" into the directory "extracted_files" ...
If you want to extract the 58th line from the file.txt, you can use both head and tail to grab it, e.g.: head-n58file.txt|tail-n1 #How to extract part of a file from M to N lines Let's say you have a really large text file (a MySQL dump, for instance), and you need...
for file in /path/to/parentdir/{file1,file2,subdir/file3}; do printf '%s\n' "$file" done # 递归迭代,输出子目录下的所有文件. # shopt -s globstar for file in ~/Pictures/**/*; do printf '%s\n' "$file" done shopt -u globstarglobstar是Bash 4.0才引入的选项,当设置启用globstar...
The basename command in Linux prints the final component in a file path. This is particularly helpful in bash scripts where you want to extract the file name from the long file path. Let me show it to you with some examples. Basename command The basename command has two kinds of syntax....