You use 'read myVar' keyword to store the input from stdin (keyboard) into variable myVar. So you just need to read the input for each case. Now when you reference variable, that is when you are retrieving the information stored behind it, you use dollar sign, which you were missing in touch and rm commands.
I have created a script that prompts the user to enter three variables that are seperated by a space as the delimiter.
It then performs a command 3 seperate times for each variable entered.
I want the script to llow the user to enter as many variables as they may like and the script to... (5 Replies)
Hello!
For the moment some settings in my .bashrc contain the password of my company's firewall, which is not a good idea. I would like to use the string "PASSWORD" set in .bashrc and a script that changes all appearances of "PASSWORD" in the environment variables by the actual password (which... (4 Replies)
I am using variable to give the location of the file I am using but I get error.
Here is the code:
LogFile=/tmp/log.email
echo -e "could not close the service - error number $error \n" > $LogFile
well this is not all the code but is enough because the problem start when I try to use the... (3 Replies)
Hi all ,
I have a file with below data ,
bash#cat file.txt
user1 amount1 status1
user2 amount2 status2
user3 amount3 status3
user4 amount4 status4
.
.
.
Now i have a command to be executed with above values like below ,
./errorcheck -u user1 -a amount1 -s status1
... (3 Replies)
Hi all guys,
how you can read in thread title, I'm deploying a bash script in which I have to export some variables inside it.
But (I think you know) the export command works only inside the script and so, on exit command, the variables aren't set like I set inside the script.
Consequently in... (8 Replies)
Hi All,
i have a requirement where i have to run a script with at least 25 arguements and position of arguements can also change. the unapropriate way is like below. can we achieve this in more good and precise way??
#!/bin/ksh
##script is sample.ksh
age=$1
gender=$2
class=$3
.
.
.... (3 Replies)
Hi all,
I want to dynamically set variables in a bash script. I made a naive attempt in a while loop that hopefully can clarify the idea.
n=0; echo "$lst" | while read p; do n=$(($n+1)); p"$n"="$p"; done
The error message is:
bash: p1=line1: command not found
bash: p2=line2: command... (8 Replies)
From the command line:
dions-air:scripts dion$ ls -l /Users/dion/Library/Application\ Support/Garmin/Devices/3816821036/History/2014-06-07-055251.TCX
-rw-r--r-- 1 dion staff 157934 7 Jun 06:55 /Users/dion/Library/Application Support/Garmin/Devices/3816821036/History/2014-06-07-055251.TCXworks... (2 Replies)
I have a file that has 2 fields called b_file:
11977 DAR.V3.20150209.1.CSV
3295 DAR.V3.20150209.1.CSV
1721 DAR.V2.20150210.1.CSV
I need to search a sftplog using the field 1, but want to maintain the relationship between field 1 and 2. I am passing field 1 as a parameter in a bash loop.
... (14 Replies)
#!/bin/bash
X=$(</home/cogiz/computerhand.txt) # (3S 8C 2H 6D QC 8S 4H 5H)
Y=$(</home/cogiz/topcardinplay.txt) # KS
A=( "${Y::1}" )
B=( "${Y:1}" )
for e in ${X}; do
if ]; then # searching for valid cards K,S or 8
... (0 Replies)
Discussion started by: cogiz
0 Replies
LEARN ABOUT FREEBSD
ddb
DDB(8) BSD System Manager's Manual DDB(8)NAME
ddb -- configure DDB kernel debugger properties
SYNOPSIS
ddb capture [-M -core] [-N -system] print
ddb capture [-M -core] [-N -system] status
ddb script scriptname
ddb script scriptname=script
ddb scripts
ddb unscript scriptname
ddb pathname
DESCRIPTION
The ddb utility configures certain aspects of the ddb(4) kernel debugger from user space that are not configured at compile-time or easily
via sysctl(8) MIB entries.
To ease configuration, commands can be put in a file which is processed using ddb as shown in the last synopsis line. An absolute pathname
must be used. The file will be read line by line and applied as arguments to the ddb utility. Whitespace at the beginning of lines will be
ignored as will lines where the first non-whitespace character is '#'.
OUTPUT CAPTURE
The ddb utility can be used to extract the contents of the ddb(4) output capture buffer of the current live kernel, or from the crash dump of
a kernel on disk. The following debugger commands are available from the command line:
capture [-M core] [-N system] print
Print the current contents of the ddb(4) output capture buffer.
capture [-M core] [-N system] status
Print the current status of the ddb(4) output capture buffer.
SCRIPTING
The ddb utility can be used to configure aspects of ddb(4) scripting from user space; scripting support is described in more detail in
ddb(4). Each of the debugger commands is available from the command line:
script scriptname
Print the script named scriptname.
script scriptname=script
Define a script named scriptname. As many scripts contain characters interpreted in special ways by the shell, it is advisable to
enclose script in quotes.
scripts
List currently defined scripts.
unscript scriptname
Delete the script named scriptname.
EXIT STATUS
The ddb utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
The following example defines a script that will execute when the kernel debugger is entered as a result of a break signal:
ddb script kdb.enter.break="show pcpu; bt"
The following example will delete the script:
ddb unscript kdb.enter.break
For further examples, see the ddb(4) and textdump(4) manual pages.
SEE ALSO ddb(4), textdump(4), sysctl(8)HISTORY
The ddb utility first appeared in FreeBSD 7.1.
AUTHORS
Robert N M Watson
BUGS
Ideally, ddb would not exist, as all pertinent aspects of ddb(4) could be configured directly via sysctl(8).
BSD December 24, 2008 BSD