-k file 若文件存在且设置了"sticky"位的值 -p file 若文件存在且为一已命名管道,则为真 -r file 若文件存在且可读,则为真 -s file 若文件存在且其大小大于零,则为真 -u file 若文件存在且设置了SUID位,则为真 -w file 若文件存在且可写,则为真 -x file 若文件存在且可执行,则为真 -o file ...
local files--convert-file-only convert thefilepart of the URLs only (usually known as thebasename)--backups=N before writingfileX, rotate up to N backup files-K, --backup-converted before convertingfileX, back up as X.orig-m, --mirror shortcutfor-N -r -l inf --no-remove-listing-...
EN常用的内置命令忽略，来看看shell编程中其他一些重要的内置命令： 1、help：显示所有内置命令列表，或显...
So, let’s remove an extension from a filename. To do this, we need to match from the end of the string using the percent (%) operator. The singular operator will match the shortest substring, double will match the longest one: $ declare -r FILENAME="index.component.js" $ echo ${...
I don't believe that Perl distinguishes between a file and a directory, so if you have sub-directories, it will probably throw some errors. However, it should, in theory, remove the files anyway. #How to use regex matched on a fixed string ...
jenkins_cred_cli_add_secret_text.sh - creates a Jenkins secret string credential from a string or a file jenkins_cred_cli_add_ssh_key.sh - creates a Jenkins SSH key credential from a string or an SSH private key file jenkins_cred_cli_add_user_pass.sh - creates a Jenkins username/passw...
for file in prefix*; do mv "$file" "$file.extension" done Handling Spaces in Filenames Some files can have spaces in their names and if you want to remove all the spaces in the filename post appending the extension, you need to modify the mv command argument accordingly. So, if yo...
Preventing Git Bash from expanding file paths when a string parameter starts with '/', Attempt to access AWS CLI through Windows git bash causes string resolution as file, Converting a String Variable into a File Name/Path in Bash, Expanding $PATH variab
这本书的目的是汇总只使用内置bash的特性来实现总所周知和鲜为人知的各项任务。 使用此参考书中的代码段可以帮助你从脚本中删除不需要的依赖项,并且在大多数情况下可以使它们运行的更快。 我偶然碰到了这些技巧并在开发neofetch, pxltrm 和一些其他小的项目的时候发现了一些别的技巧。
") # Push Fruits+=('Watermelon') # Also Push Fruits=( ${Fruits[@]/Ap*/} ) # Remove by regex match unset Fruits[2] # Remove one item Fruits=("${Fruits[@]}") # Duplicate Fruits=("${Fruits[@]}" "${Veggies[@]}") # Concatenate lines=(`cat "logfile"`) # Read from file...