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Top Forums Shell Programming and Scripting Shell script to read specified value from file and echo to the same location to other file. Post 302915078 by ausdim on Sunday 31st of August 2014 09:10:22 AM
Old 08-31-2014
Lightbulb Shell script to read specified value from file and echo to the same location to other file.

Hello.
I want to to backup some "default:" values from a file do some other job and after restore that "default:" values back.

The problem is that the source and destination file has a lot of default: strings in it but with different values...

So..
Here is an example:

A part of my source file named "config.json".

Code:
    { SPane:{ 
        title:"Blinking effect",
        description:"Control the way the LED blinks."
    }},
    { SCheckBox:{
        description:"Completely disable led notifications.", 
        label:"Disable LED",
        default:0,
                action:"generic /sys/class/sec/led/led_completely_disable"
    }},
    { SCheckBox:{
        description:"If disabled, the controller bypasses slope generation.", 
        label:"Enable LED fading",
        default:1,
                action:"generic /sys/class/sec/led/led_fade"
    }},
    { SSeekBar:{
        title:"Fade-in time period",
        description:"Sets the time period of the rising slope.",
        min:0, max:12, unit:"ms", step:1,
        default:2,
                action:"generic /sys/class/sec/led/led_fade_in_time"
    }},
    { SSeekBar:{
        title:"Fade-out time period",
        description:"Sets the time period of the falling slope.",
        min:0, max:20, unit:"ms", step:1,
        default:8,
                action:"generic /sys/class/sec/led/led_fade_out_time"
    }},

With the code:
Code:
echo "$(cat config.json | grep default: | awk -F default '{print $2 }' | awk -F , '{print $1 }')" > def;

This it will output all default values to "def" file.
Like:
Code:
:0
:1
:2
:8

Note that some values also have strings in it...

So after some other commands the source file change those default values and simply Smilie i want to restore those values from "def" file to "config.json" file.

Wish to explain it ok.

Thanks

Last edited by ausdim; 08-31-2014 at 01:58 PM..
 

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vxconfigbackup(1M)														vxconfigbackup(1M)

NAME
vxconfigbackup - back up disk group configuration SYNOPSIS
/etc/vx/bin/vxconfigbackup [-l directory] [[dgname ...] | [dgid ...]] DESCRIPTION
The vxconfigbackup utility can be used to backup up the configuration information for one or more disk groups. The disk groups may be specified either by name or by ID. If no disk groups are specified, all disk group configurations are backed up. OPTIONS
-l directory Specifies a directory other than the default where the backup configuration files are to be written. Note: The default backup directory is /etc/vx/cbr/bk. EXAMPLES
Back up the configuration of the mydg disk group to the directory /dgbackup/mydg: vxconfigbackup -l /dgbackup/mydg mydg FILES
/etc/vx/cbr/bk/dgname.dgid/dgid.dginfo Default location of backup file for disk group information. /etc/vx/cbr/bk/dgname.dgid/dgid.diskinfo Default location of backup file for disk attributes. /etc/vx/cbr/bk/dgname.dgid/dgid.binconfig Default location of backup file for binary configuration copy. /etc/vx/cbr/bk/dgname.dgid/dgid.cfgrec Default location of backup file for configuration records in vxprint -m format. NOTES
The vxconfigbackupd daemon automatically backs up a disk group's new configuration to the default backup directory whenever the configura- tion is changed. The vxconfigbackup command is provided to back up the configuration manually at any other desired time. The disk group configuration backup and restore utilities do not save any data in the public region. This includes file system or other application data that is configured within VxVM objects. SEE ALSO
vxconfigbackupd(1M), vxconfigrestore(1M) VxVM 5.0.31.1 24 Mar 2008 vxconfigbackup(1M)
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