Script output : stdout & stderr

#standed output

: '

[prabhucloudxlab@cxln4 ~]$ ls -lt

total 40

-rwxr-xr-x 1 prabhucloudxlab prabhucloudxlab 92 Jul 13 13:58 hello.sh

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 0 Jul 13 11:46 hello.sh#!

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 2 Jul 13 11:41 Kreativ

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 184 Jul 13 11:40 hello.txt

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 93 Jul 12 17:09 file_names1.txt

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 76 Jul 12 16:31 output.txt

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 1160 Jul 12 09:09 lines.sh

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 0 Jul 12 09:08 lines_count.pdf

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 241 Jul 12 07:29 input2.txt

drwxr-xr-x 3 prabhucloudxlab prabhucloudxlab 4096 May 18 09:45 d1

drwxr-xr-x 4 prabhucloudxlab prabhucloudxlab 4096 May 17 07:24 chathurya_Practice

drwxr-xr-x 9 prabhucloudxlab prabhucloudxlab 4096 Mar 30 16:18 venkat_training

#standed error

[prabhucloudxlab@cxln4 ~]$ ls *lt

ls: cannot access *lt: No such file or directory

============================================================

Example

#! bin/bash

#syntax: 1----------->>

ls -lt 1>lsfile1.txt 2>lsfile2.txt

#syntax: 2----------->>ls -lt >lsfile1.txt

#syntax: 3----------->>ls -lt > file1.txt 2>&1 // For both stdout & stderr

#syntax: 4----------->>ls -lt >& file1.txt

[prabhucloudxlab@cxln4 ~]$ sh hello.sh

[prabhucloudxlab@cxln4 ~]$ cat lsfile1.txt

total 40

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 0 Jul 13 14:07 lsfile1.txt

-rwxr-xr-x 1 prabhucloudxlab prabhucloudxlab 76 Jul 13 14:07 hello.sh

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 0 Jul 13 14:07 lsfile2.txt

-rw-r--r-- 1 prabhucloudxlab prabhucloudxlab 0 Jul 13 14:04 lsfile.txt