//读取指令//因为有空格,所以需要逐行读取fgets(command,COM_SIZE,stdin);assert(command);//不能输入空指令(void)command;//防止在 Release 版本中出错command[strlen(command)-1]='\0';//将最后一个字符 \n 变成 \0 注意:可能存在读取失败的情况,assert断言解决;因为fgets也会把
command <file # 以输入的方式打开 file,并让文件描述符 0 指向 file。这里 0 被省略 command <input >output #从 input 输入,正确结果输出到 output command n<>file # 同时以输入和输出的方式打开 file,并让文件描述符 n 指向 file。n 默认为 0 # 使用 Here Document command <<EOF document EOF ...
#asparse.tcsh # Example input and output (from the bash prompt): # ./parse.bash-a par1'another arg'--c-long'wow!*\?'-cmore-b"very long" # Option a # Option c, no argument # Option c, argument `more' # Option b, argument ` verylong' # Remaining arguments: #-->`par1' #...
在bash中,stdin(标准输入)是指从键盘或其他输入设备读取数据的默认输入流。重定向stdin意味着将输入流从键盘或其他设备改为来自文件或其他命令的输出。 要在bash中重定向stdin,可以使...
# Output: X Y $ get_cursor_pos 1 8转换将十六进制颜色转换为RGB示例函数:hex_to_rgb() { # Usage: hex_to_rgb "#FFFFFF" # hex_to_rgb "000000" : "${1/\#}" ((r=16#${_:0:2},g=16#${_:2:2},b=16#${_:4:2})) printf '%s\n' "$r $g $b" }...
-output ${OUTPUT} \ -mapper "python mapper.py IDCip.txt" \ -reducer "cat" \ -file mapper.py \ -file IDCip.txt \ -jobconf mapred.job.name="getIDCipTag" \ -jobconf mapred.reduce.tasks=1 # > ${0}.log 2>&1 & # hadoop fs -get /user/rank-click-antispam/xiejiaxing/getIDC...
## Colorize the grep command output for ease of use (good for log files)## alias grep = 'grep --color=auto' alias egrep = 'egrep --color=auto' alias fgrep = 'fgrep --color=auto' #4:让计算器默认开启 math 库 alias bc = 'bc -l' ...
cli.knack.cli: Command arguments: ['storage', 'account', 'create', '--name', 'msdocssa00000000', '--resource-group', 'msdocs-rg-test', '--location', 'eastus', '--sku', 'Standard_RAGRS', '--kind', 'StorageV2', '--output', 'json', '--debug'] ... cli.azure.cli.core...
#We are now going back to standard output, by using echo and printing your name to the command line. echo "With standard input you have told me your name is: $name" 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 这个示例通过标准输出给出提示,提醒用户输入信息,然后从标准输入(键盘)获取信息,...
Runshellcheck yourscriptin your terminal for instant output, as seen above. In your editor You can see ShellCheck suggestions directly in a variety of editors. Vim, throughALE,Neomake, orSyntastic: . Emacs, throughFlycheckorFlymake: .