WARC options:--warc-file=FILENAME save request/response data to a .warc.gzfile--warc-header=STRING insert STRING into the warcinfo record--warc-max-size=NUMBER set maximum size of WARC files to NUMBER--warc-cdxwriteCDX index files--warc-dedup=FILENAMEdonot store records listedinthis CDXfi...
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)--cacert FILE CA certificate to verify peer against (SSL)...
if [[ -z "$string" ]]; then echo "String is empty" elif [[ -n "$string" ]]; then echo "String is not empty" fi 详见: Conditionals 严格模式 BASH复制代码 set -euo pipefail IFS=$'\n\t' 详见: 非官方的 Bash 脚本严格模式 ...
WORD_DESC *filename; /* filename to redirect to. */ } REDIRECTEE; instruction是枚举型变量r_instruction,它定义了一个重定向的类型: enum r_instruction { r_output_direction, r_input_direction, r_inputa_direction, r_appending_to, r_reading_until, r_reading_string, r_duplicating_input, r_d...
*/ private static String dateformat = “yyyy-MM-dd hh:mm:ss”; /** * 获取日期字符串格式 * * @return */ public static...String getDateformat() { return dateformat; } /** ...
>file 输出重定向 >>fiile 输出重定向,append `command` 命令替换,如 filename=`basename /usr/local/bin/tcsh` --- [root@192 ~]# bash Test.sh 10 11 12& [1] 3441 [root@192 ~]# 11111 3 10 11 12 10 11 12 0 Test.sh 10 11 12 3441 [root@192 ~]# cat Test.sh ...
R Repaint the screen, discarding any buffered input. Useful if the file is changing while it is being viewed. F Scroll forward, and keep trying to read when the end of file is reached. Normally this command would be used when already at the end ...
r_reading_until,r_reading_string,r_duplicating_input,r_duplicating_output,r_deblank_reading_until,r_close_this,r_err_and_out,r_input_output,r_output_force,r_duplicating_input_word,r_duplicating_output_word,r_move_input,r_move_output,r_move_input_word,r_move_output_word,r_append_err_and...
python hello.py > output.txt # stdout to (file) python hello.py >> output.txt # stdout to (file), append python hello.py 2> error.log # stderr to (file) python hello.py 2>&1 # stderr to stdout python hello.py 2>/dev/null # stderr to (null) python hello.py &>/dev/null...
alias name='string'为一个指令取别名, 如果不写到.bashrc里面, 则终端关闭后别名一起消失. 重定向 < file将文件内容重定向为标准输入 > file将标准输出重定向到file文件, 覆盖原来的内容. 可以利用此命令创建一个新文件. >> file将标准输出重定向到file文件, 加在原有内容的后面 file descriptor文件描述符,...