I have a program that requires the user to enter input values while it is being run
for example in bash
I need to schedule this program with crontab, hence a problem, cronjobs run in the background, any ideas on how to make the cronjob ask for human input while executing the script?
how can i redirect standard input? i dont remember :/, though could you redirec not from a command? i mean, to redirect always stdin and stout (1 Reply)
I tried copy the output files from find command into a directory.
Example,
find / -name core 2>/dev/null | xargs cp????
I have known that we can use xargs to execute command lines from standard input but how to use it in this case.
Or I can do something besides xargs. (2 Replies)
Dear...
I have a scrpit that contains multiple read command.... when I run the script I have to enter 3 variables so that I can get the output..
but, I dont want to put those 3 inputs manually every time... I want to make a shell that reads the 3 inputs from a file.
the script name is... (4 Replies)
Hi All,
How do I provide the output of a command to another command which is waiting for an input from the user ?
Ex : I need to login to a device via telnet. In the script, initially I use the "read" command to get the IP Address, Username and Password of the device from the user. Now,... (1 Reply)
Hi
I am trying to write a shell script which should take the file as standard input. As file(content and name both) will change for each run. It should read the file line by line. with each line I have to perform certain operation.
For example
I have i file foo, it looks like
/usr/doc/abc... (4 Replies)
Hello,
I'm writting a korn script that executes a daemon in a remote server. The problem is that daemon doesn't go background until it receives an enter from the standard input, and it maintains the rsh opened until it get it. I'm looking for the best (efficient and elegant) way to do send the... (3 Replies)
Hello,
I am new to scripting.
How do I read multiple lines from the command line?
I know read reads one line, but if I have to read multiple lines, how should I do?
Thanks,
Prasanna (4 Replies)
So, I am new to shell scripting and have a few problems.
I know how to read from standard input but I do not know how to really compare it to say, a character. I am trying to compare it to a character and anything exceeding just a character, the user will get an output message, but the program... (7 Replies)
Just started learning Unix and received my first assignment recently. We haven't learned many commands and honestly, I'm stumped. I'd like to receive assistance/guidance/hints.
1. The problem statement, all variables and given/known data:
How do I write a shell script that takes in a file or... (4 Replies)
Discussion started by: fozilla
4 Replies
LEARN ABOUT DEBIAN
enhance
enhance(1) User Commands enhance(1)NAME
enhance - enhanced command-line editing facilities
SYNOPSIS
enhance command [argument...]
DESCRIPTION
The enhance program provides enhanced command-line editing facilities to users of third party applications, to which one doesn't have any
source code. It does this by placing a pseudo-terminal between the application and the real terminal. It uses the tecla command-line edit-
ing library to read input from the real terminal, then forwards each just completed input line to the application via the pseudo-terminal.
All output from the application is forwarded back unchanged to the real terminal.
Whenever the application stops generating output for more than a tenth of a second, the enhance program treats the latest incomplete output
line as the prompt, and redisplays any incompleted input line that the user has typed after it. Note that the small delay, which is imper-
ceptible to the user, isn't necessary for correct operation of the program.It is just an optimization, designed to stop the input line from
being redisplayed so often that it slows down output.
Note that the user-level command-line editing facilities provided by the Tecla library are documented in the tecla(5) man page
DEFICIENCIES
The one major problem that hasn't been solved yet, is how to deal with applications that change whether typed input is echo'd by their con-
trolling terminal. For example, programs that ask for a password, such as ftp and telnet, temporarily tell their controlling terminal not
to echo what the user types. Since this request goes to the application side of the psuedo terminal, the enhance program has no way of
knowing that this has happened, and continues to echo typed input to its controlling terminal, while the user types their password.
Furthermore, before executing the host application, the enhance program initially sets the pseudo terminal to noecho mode, so that every-
thing that it sends to the program doesn't get redundantly echoed. If a program that switches to noecho mode explicitly restores
echoing afterwards, rather than restoring the terminal modes that were previously in force, then subsequently, every time that you enter a
new input line, a duplicate copy will be displayed on the next line.
FILES
/usr/lib/libtecla.so tecla library
~/.teclarc tecla personal customization file.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWesu |
+-----------------------------+-----------------------------+
|Interface Stability |Evolving |
+-----------------------------+-----------------------------+
SEE ALSO libtecla(3LIB), attributes(5), tecla(5)SunOS 5.10 18 May 2004 enhance(1)