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... (8 Replies)
Hi,
I'm trying to assign the output of a command to a variable and then concat it with another string, however, it keeps overwriting the original string instead of adding on to the end of the string.
Contents of test.txt --> This is a test
var1="`head -n 1 test.txt`"
echo $var1 (This is a... (5 Replies)
Hi,
I wrote a script to get the oldest file from a directory path (which is passed as a parameter to the script)
#########################################################
XMLFILE_PATH={$1}
cd $XMLFILE_PATH
JPM_FILENAME = `(ls -tr User* | head -1)`
#echo $JPM_FILENAME
###### END... (1 Reply)
Hi,
i have two questions, I am new to programming
1. I have an output of a command and i want to get some specific part of it in a variable. i am trying
sr=`some comand xyz| grep 'Last Changed Rev:' | cut -c19-`
now variable sr gets a end of line character at end.
output of the command... (3 Replies)
When I run time -p <command>, it outputs:
real X.XX
user X.XX
sys X.XXwhere X.XX is seconds. How I can take just that first number output, the seconds of real time, and assign that to a variable? (9 Replies)
Hello,
I have a shell script containing a command string in the following format:
command1 | command2 | cut -c9-16
The output from this is a record number (using characters 9-16 of the original output string) e.g. ORD-1234
I wish to save this value to a variable for use in later commands... (4 Replies)
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... (2 Replies)
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... (2 Replies)
Hi,
I'd like to assign the output of the find command to a variable.
What I need is to run the find command, and if it returns zero files, the program exits.
so i'm trying to assign the output of the find command to the $var1 variable....and then if this is less than one, I echo a... (2 Replies)
I am trying to run a query which returns a sum value(a number).
I want to get it in a variable so that i can refer to that variable in different places.
when i am running the following command
variable=`isql -Uuser -Sserver -Ppassword
1> select sum(count(*)) from xyz..abc where clm_id... (2 Replies)
Discussion started by: Sharma331
2 Replies
LEARN ABOUT NETBSD
dev_mkdb
DEV_MKDB(8) BSD System Manager's Manual DEV_MKDB(8)NAME
dev_mkdb -- create /dev database
SYNOPSIS
dev_mkdb [-c] [-o database] [directory]
DESCRIPTION
The dev_mkdb command creates a cdbr(3) database in ``/var/run/dev.cdb'' which contains the names of all of the character and block special
files in the specified directory, using the file type and the st_rdev field as the key. If no directory is specified, the ``/dev'' directory
is used.
Keys are a structure containing a mode_t followed by a dev_t, with any padding zero'd out. The former is the type of the file (st_mode &
S_IFMT), the latter is the st_rdev field.
The options are as follows:
-c Create a db(3) database for compatibility with libc versions and statically linked programs from before NetBSD 6.0. The default name
is ``/var/run/dev.db''.
-o database
Put the output databases in the named file.
FILES
/dev Device directory.
/var/run/dev.db Database file.
SEE ALSO ps(1), stat(2), db(3), devname(3), kvm_nlist(3), ttyname(3), kvm_mkdb(8)HISTORY
The dev_mkdb command appeared in 4.4BSD.
BSD June 1, 2012 BSD