i want to copy the output of ls -l command into a file say “xyz”. i know i have to take the output of ls -l and then send it to cp command using pipe i.e output of ls-l will be used as an input for cp command
$ls-l -rw-r--r-- 1 1030082 oinstall 167 Mar 27 10:36 -rw-r--r-- 1 1030082 oinstall 167 Mar 27 10:36 a1 -rw-r--r-- 1 1030082 oinstall 103 Mar 27 12:40 a2 -rw-r--r-- 1 1030082 oinstall 30 Mar 27 12:43 a3 -rw-r--r-- 1 1030082 oinstall 21 Mar 27 13:47 a4 drwxr-xr-x 3 1030082 oinstall 4096 Mar 27 16:54 dir1 -rw-r--r-- 1 1030082 oinstall 94 Mar 27 13:53 unix -rw-r--r-- 1 1030082 oinstall 105 Mar 27 10:33 xyz
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Answer
Output to file “test.txt”:
ls -l > text.txt
Sumary of pipes:
> Save output to a file.
>> Append output to a file.
< Read input from a file.
2> Redirect error messages.
| Send the output from one program as input to another program.