Read variables from a text file for use in csh script
Hello,
I have a text file (say, declarevars.txt) that contains multiple lines that are essentially meant to be variable declarations:
I want to be able to read this text file within a csh (sorry) script and have that script treat these lines as if they are part of the script. That is, after reading the text file, if I write
within the script, it would print out
My reason for doing this instead of setting the variables within the script itself is more for neatness and convenience. I would be using a lot of different scripts doing different things but each would be using these same variables and I didn't want the first 50 lines of each script to always be variable declarations.
Based on what I've found from forums, I have tried the following
and
However, none of these seem to work. I am hoping that someone can help me with this question. Thank you very much!
Last edited by Scrutinizer; 06-11-2016 at 06:05 AM..
Reason: Bold tags -> Code tags
Dears,
This is what i want..
I need to read a comma separated text file whose name is config.txt.
whose content is like ;
bscnara,btserrr
bscsana,btssanacity
.....
i need to read the first string and second string and use it to execute a another shell script.
This is the logic.
... (1 Reply)
Hello,
I have a cat.dat file, i would like shell to read each 3 lines and set this 3 lines to 3 different variables.
my cat.dat is:
11
12
+380486461001
12
13
+380486461002
13
14
+380486461003
i want shell to make a loop and assign 1st line to student_id, 2nd line to... (4 Replies)
Dears,
I developed a shell script to read varibales from text file as the following:
cat /dev/null > /rename-OUT.txt
while read line
do
set -- `echo $line`
snmpset -c dslmibs $1 sysName.0 octetstring $2
after=$(snmpget -c dslmibs $1 sysName.0 | cut -d: -f3)
echo "$1,$2,$after" >>... (1 Reply)
I am new to scripting and I needed to know if there would be an easy way to delete extra spaces in a text file. I have a file with three rows with 22 numbers each, but there is extra spaces between the numbers when it gets output by this program AFNI that I am using. What script would help delete... (2 Replies)
Ok, I sort of need to create a command files that will be ftped to another server to run.
I have some input variable that will need to be read, and then transformed into another script file. Here are some examples.
Server 1:
outputCmd.sh
passing in ./outputCmd.sh nh8oaxt Release_4_0... (1 Reply)
I cannot get the following substitution ($ORACLE_SID) to work:
The variable ORACLE_SID is set to wardin my environment. It has been exported.
I have a text file called test.dat:
/u07/oradata/${ORACLE_SID}/extab/finmart/summit/ps_voucher_line_crnt_ex.dbf... (2 Replies)
For eg: I have sample.txt file with 4 rows of record like:
user1|password1
user2|password2
user3|password3
user4|password4
The username and password is sepsrated by '|'
I want to get the 1st row value from the file and assign it to two different variables(username and password)
in my... (1 Reply)
Hi,
I have a text file as follows:
a.txt
------
STEPS=3
STEP_DURATION=100
INTERVAL=60
I want to use these values in a shell script.
How to go about this? (3 Replies)
I have a input file like this.
Sample.txt
30 | TXDatacenter | TXBackupDC
10 | UKDatacenter | UKBackupDC
0 | NLDatacenter | NLBackupDC
......
......
......
I need to get these values in different variables like this.
Load1=30
PriCenter1=TXDatacenter... (5 Replies)
I have a file containing multiple values, some of them are pipe separated which are to be read as separate values and some of them are single value all are these need to store in variables.
I need to read this file which is an input to my script
Config.txt
file name, first path, second... (7 Replies)
Discussion started by: ketanraut
7 Replies
LEARN ABOUT X11R4
script
SCRIPT(1) User Commands SCRIPT(1)NAME
script - make typescript of terminal session
SYNOPSIS
script [options] [file]
DESCRIPTION
script makes a typescript of everything displayed on your terminal. It is useful for students who need a hardcopy record of an interactive
session as proof of an assignment, as the typescript file can be printed out later with lpr(1).
If the argument file is given, script saves the dialogue in this file. If no filename is given, the dialogue is saved in the file type-
script.
OPTIONS -a, --append
Append the output to file or to typescript, retaining the prior contents.
-c, --command command
Run the command rather than an interactive shell. This makes it easy for a script to capture the output of a program that behaves
differently when its stdout is not a tty.
-e, --return
Return the exit code of the child process. Uses the same format as bash termination on signal termination exit code is 128+n.
-f, --flush
Flush output after each write. This is nice for telecooperation: one person does `mkfifo foo; script -f foo', and another can
supervise real-time what is being done using `cat foo'.
--force
Allow the default output destination, i.e. the typescript file, to be a hard or symbolic link. The command will follow a symbolic
link.
-q, --quiet
Be quiet (do not write start and done messages to standard output).
-t[file], --timing[=file]
Output timing data to standard error, or to file when given. This data contains two fields, separated by a space. The first field
indicates how much time elapsed since the previous output. The second field indicates how many characters were output this time.
This information can be used to replay typescripts with realistic typing and output delays.
-V, --version
Display version information and exit.
-h, --help
Display help text and exit.
NOTES
The script ends when the forked shell exits (a control-D for the Bourne shell (sh(1)), and exit, logout or control-d (if ignoreeof is not
set) for the C-shell, csh(1)).
Certain interactive commands, such as vi(1), create garbage in the typescript file. script works best with commands that do not manipulate
the screen, the results are meant to emulate a hardcopy terminal.
It is not recommended to run script in non-interactive shells. The inner shell of script is always interactive, and this could lead to
unexpected results. If you use script in the shell initialization file, you have to avoid entering an infinite loop. You can use for
example the .profile file, which is read by login shells only:
if test -t 0 ; then
script
exit
fi
You should also avoid use of script in command pipes, as script can read more input than you would expect.
ENVIRONMENT
The following environment variable is utilized by script:
SHELL If the variable SHELL exists, the shell forked by script will be that shell. If SHELL is not set, the Bourne shell is assumed.
(Most shells set this variable automatically).
SEE ALSO csh(1) (for the history mechanism), scriptreplay(1)HISTORY
The script command appeared in 3.0BSD.
BUGS
script places everything in the log file, including linefeeds and backspaces. This is not what the naive user expects.
script is primarily designed for interactive terminal sessions. When stdin is not a terminal (for example: echo foo | script), then the
session can hang, because the interactive shell within the script session misses EOF and script has no clue when to close the session. See
the NOTES section for more information.
AVAILABILITY
The script command is part of the util-linux package and is available from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils
/util-linux/>.
util-linux June 2014 SCRIPT(1)