`cat file1 | command (sed, grep, awk, grep, etc …)> result.txt`

In the command you provided, “cat file1 | command > result.txt”, you can use various command-line utilities like “sed,” “grep,” “awk,” etc., in place of “command” to perform specific text processing operations. The output of the command will be redirected to the file “result.txt” using the “>” symbol. Here’s an example using “grep” as the […]

cat file1 file2 .. | command > file1_out.txt

If you want to concatenate the contents of “file1” and “file2” using the “cat” command and then pass the output to another command, and finally redirect the output of that command to a file, you can use the following syntax: cat file1 file2 .. | command > file1_out.txt or if you want to append the […]