Open up you favorite text editor and a create file called hello_world.sh. Insert the following lines to a file: NOTE:Every bash shell script in this tutorial starts withshebang:"#!"which is not read as a comment
--referer=URL include 'Referer: URL' header in HTTP request --save-headers save the HTTP headers to file -U, --user-agent=AGENT identify as AGENT instead of Wget/VERSION --no-http-keep-alive disable HTTP keep-alive (persistent connections) --no-cookies don't use cookies --load-cookies...
【bash】使用curl下载文件 1、命令帮助 -> % curl --help Usage: curl [options...]<url>Options: (H) means HTTP/HTTPS only, (F) means FTP only--anyauth Pick"any"authentication method (H)-a, --append Append to targetfilewhen uploading (F/SFTP)--basic Use HTTP Basic Authentication (H)...
alias iptlist = 'sudo /sbin/iptables -L -n -v --line-numbers' alias iptlistin = 'sudo /sbin/iptables -L INPUT -n -v --line-numbers' alias iptlistout = 'sudo /sbin/iptables -L OUTPUT -n -v --line-numbers' alias iptlistfw = 'sudo /sbin/iptables -L FORWARD -n -v --line...
对于一个使用bash为主要语言的项目，业界推荐的coding guideline？1. 使用有意义的变量名：变量名应该具有描述性，以便其他人可以轻松地理解代码。2. 缩进：使用4个空格作为缩进，而不是制表符。3. 注释：对代码进行注释，以解释代码的目的和功能。注释应该清晰、简洁，并且易于阅读。4. 函数：编写短小精悍的函数，...
while read -r line; do printf '%s\n' "$line" done < "file" 1. 2. 3. 循环遍历文件和目录 不要用ls。 # Greedy example. for file in *; do printf '%s\n' "$file" done # PNG files in dir. for file in ~/Pictures/*.png; do ...
command -V cd #=> "cd is a function/alias/whatever" source 命令 source "${0%/*}/../share/foo.sh" 字符串转换 tr 命令 -c # Operations apply to characters not in the given set -d # Delete characters -s # Replaces repeated characters with single occurrence -t # Truncates [:upper...
shorten_text_selection.sh - shortens the selected text in the prior window. Replaces and with & and crushes out multiple blank lines. I use this for LinkedIn comments due to the short 1250 character limit shred_file.sh - overwrites a file 7 times to DoD standards before deleting it to ...
tail() { # Usage: tail "n" "file" mapfile -tn 0 line < "$2" printf '%s\n' "${line[@]: -$1}" }示例用法:$ tail 2 ~/.bashrc # Enable tmux. # [[ -z "$TMUX" ]] && exec tmux $ tail 1 ~/.bashrc # [[ -z "$TMUX" ]] && exec tmux...
There might be other ways to get this done, but remember, this is just an example of things youcando with aforloop. What if you have a mountain of files named something likeFILE002.txt, and you want to replaceFILEwith something likeTEXT. Remember that in addition to Bash itself, you ...