Linux——tee命令终端输出到文件_diagnose errors writing to non pipes

常用tee命令

command｜tee file 将command输出在终端的同时输出到文件file中
command｜tee file1 file2 将command输出到终端的同时输出到文件file1和file2中
command｜tee -a file 将command输出到终端的同时追加到文件file后

tee命令实战

$ ll
total 0
-rw-r--r-- 1 root root 0 Dec 31 09:19 base1.txt
-rw-r--r-- 1 root root 0 Dec 31 09:19 base2.txt
-rw-r--r-- 1 root root 0 Dec 31 09:19 base3.txt
$ ll | tee ll.txt
$ cat -n ll.txt     
1  total 0     
2  -rw-r--r-- 1 root root 0 Dec 31 09:19 base1.txt     
3  -rw-r--r-- 1 root root 0 Dec 31 09:19 base2.txt     
4  -rw-r--r-- 1 root root 0 Dec 31 09:19 base3.txt
$ ll | tee ll1.txt ll2.txt同时输出到两个文件中
$ ll | tee -a ll.txt追加到文件中
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tee --help

$ tee --help
Usage: tee [OPTION]... [FILE]...
Copy standard input to each FILE, and also to standard output.

  -a, --append              append to the given FILEs, do not overwrite
  -i, --ignore-interrupts   ignore interrupt signals
  -p                        diagnose errors writing to non pipes
      --output-error[=MODE]   set behavior on write error.  See MODE below
      --help     display this help and exit
      --version  output version information and 
exit
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tee GNU解释

https://www.gnu.org/software/coreutils/manual/html_node/tee-invocation.html#tee-invocation
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