How to put output of one command into a variable Post: 302409080

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1. Shell Programming and Scripting

Command output to a variable.

With cut -c 8-13 myfile, I am getting some numeric value. In my shell script I am trying to assign something like this, var=cut -c 8-13 myfile But at the time of execution I am getting -c is not found. If I dont assign, then script executes well. Can we not simply use the value from one...

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How to store output in variable when put in background

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Command output into a variable

Hi, with this command: cu -l /dev/ttyACM0 -s 9600 > name.txt I put the output of the port in a txt Is posible to do the same (or similar) in a var directly, inside a C program? cu -l /dev/ttyACM0 -s 9600 > variable ? I have trying this withs pipes, but i dont know how to...

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I'm hoping you guys can help me out here. I've been trying different methods to try and get what IW as hoping would be a fairly simple script but has turned into a pain. Bit of background - I am writing a script to check values in certain failes to ensure they are corerct. I'm runnign this on...

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ls output into a read command as a variable

I'm working on a short BASH script on my Ubuntu box that will run powerpoint scripts with MS Powerpoint Viewer 2007 via WINE. I can run the presentation when I run it manually but what i'd like to do is have the script look for the newest file then run it. #! /bin/sh # Start the newest...

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How i can put the result of a command inside a bash variable?

#!/bin/bash #... for i in `ls -c1 /usr/share/applications` do name="cat $i | grep ^Name= | cut -d = -f2" echo $name #... done Now inside name as output is present: while i want only the result of the command. Ideally i would like obtain that information using only bash ... or...

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Shell script variable $1 used with put command

I have the following script used, i am new to shell scripting. tryign to understand. in the put $BASE_FOLDER/$base_name holds which path. What does it mean by $1 second path in put command is it constructing this path: /user/hive/warehouse/stage.db/$1 what is $1 holding in above path. ...

LEARN ABOUT CENTOS

__skb_recv_datagram

__SKB_RECV_DATAGRAM(9)						 Linux Networking					    __SKB_RECV_DATAGRAM(9)

NAME

       __skb_recv_datagram - Receive a datagram skbuff

SYNOPSIS

       struct sk_buff * __skb_recv_datagram(struct sock * sk, unsigned int flags, int * peeked, int * off, int * err);

ARGUMENTS

       sk
	   socket

       flags
	   MSG_ flags

       peeked
	   returns non-zero if this packet has been seen before

       off
	   an offset in bytes to peek skb from. Returns an offset within an skb where data actually starts

       err
	   error code returned

DESCRIPTION

       Get a datagram skbuff, understands the peeking, nonblocking wakeups and possible races. This replaces identical code in packet, raw and
       udp, as well as the IPX AX.25 and Appletalk. It also finally fixes the long standing peek and read race for datagram sockets. If you alter
       this routine remember it must be re-entrant.

       This function will lock the socket if a skb is returned, so the caller needs to unlock the socket in that case (usually by calling
       skb_free_datagram)

       * It does not lock socket since today. This function is * free of race conditions. This measure should/can improve * significantly datagram
       socket latencies at high loads, * when data copying to user space takes lots of time. * (BTW I've just killed the last cli in
       IP/IPv6/core/netlink/packet * 8) Great win.) * --ANK (980729)

       The order of the tests when we find no data waiting are specified quite explicitly by POSIX 1003.1g, don't change them without having the
       standard around please.

COPYRIGHT

Kernel Hackers Manual 3.10					     June 2014						    __SKB_RECV_DATAGRAM(9)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Command output to a variable.

Discussion started by: videsh77

2. UNIX for Dummies Questions & Answers

How to store output in variable when put in background

Discussion started by: sanjay92

3. Shell Programming and Scripting

Put the output of grep in a variable

Discussion started by: big123456

4. Shell Programming and Scripting

get characters from output of a command in a variable

Discussion started by: muaz