How to convert any shell command output to JSON format? Post: 303037795

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Top Forums UNIX for Beginners Questions & Answers How to convert any shell command output to JSON format? Post 303037795 by balu1234 on Tuesday 13th of August 2019 05:11:45 PM

08-13-2019

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How to convert any shell command output to JSON format?

Hi All,

I am new to shell scripting, Need your help in creating a shell script which converts any unix command output to JSON format output.
example:
sample df -h command ouput :

Code:

Filesystem   size   used   avail   capacity   Mounted
/dev/dsk/c1t0d0s0   8.1G   4.0G   4.0G   50%   /
/devices   0K   0K   0K   0%   /devices
ctfs   0K   0K   0K   0%   /system/contract
proc   0K   0K   0K   0%   /proc
mnttab   0K   0K   0K   0%   /etc/mnttab
swap   3.1G   836K   3.1G   1%   /etc/svc/volatile
objfs   0K   0K   0K   0%   /system/object
sharefs   0K   0K   0K   0%   /etc/dfs/sharetab
/usr/lib/libc/libc_hwcap1.so.1   8.1G   4.0G   4.0G   50%   /lib/libc.so.1
fd   0K   0K   0K   0%   /dev/fd
swap   3.1G   84K   3.1G   1%   /tmp
swap   3.1G   32K   3.1G   1%   /var/run
/dev/dsk/c1t0d0s7   11G   11M   11G   1%   /export/home
/vol/dev/dsk/c0t0d0/sol_10_113_x86   2.1G   2.1G   0K   100%   /cdrom/sol_10_113_x86

Desired output in JSON format:

Code:

{
"Filesystem": "/dev/dsk/c1t0d0s0",
"size": "8.1G",
"used": "4.0G",
"avail": "4.0G"
"capacity": "50%",
"Mounted": "/"
}

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sharefs

sharefs(7FS)							   File Systems 						      sharefs(7FS)

NAME

       sharefs - Kernel sharetab filesystem

DESCRIPTION

       The sharefs filesystem describes the state of all shares currently loaded by the kernel. It is mounted during boot time as a read-only file
       at /etc/dfs/sharetab.

       Filesystem contents are dynamic and  reflect  the current set of shares in the system. File contents are described in sharetab(4).

       File contents can be modified as a result of share(1M), sharectl(1M), sharemgr(1M) and changing properties of a zfs(1M) data set.

       The module may not be unloaded dynamically by the kernel.

FILES

       /etc/dfs/sharetab    System record of shared file systems.

SEE ALSO

       share(1M), sharectl(1M), sharemgr(1M), zfs(1M), sharetab(4)

SunOS 5.11							    31 Oct 2007 						      sharefs(7FS)

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