02-07-2008
Command to accept input
I am trying to write a one line command for Oracle grid control. I am using a semi-colon to separate the commands. But, I am having a problem with a shell script accepting input. Wondering if you can help.
Here is what I am trying to do:
(PGPRD5432)@prd01:/> cd /export/home/postgres ## home directory, currently work on (PGPRD5432)
(PGPRD5432)@prd01:~> source .bash_profile## script that allows me to choose environment variables
Multiple Postgres Clusters, Please Select One
(PG: Env Name: Port: Version)
1) PG:PRD:5432:8.1.4
2) PG:PRD:5434:8.1.4
#? 2 ##Here, I enter option 2
(PGPRD5434)@prd01:~> env | grep PG ##Now changed to (PGPRD5434)
PGENV=PRD
PGBKUP=/pgbackup/PGPRD5434
PGCLUST=PGPRD5434
PGWORK=/pgwork
PGDATA=/pgcluster/data/PGPRD5434
PGVERSION=8.1.4
(PGPRD5434)@prd01:~>
When I try a one liner, I cannot figure out how to get .bash_profile to accept the "2". Here is what I am trying with no success.
cd /export/home/postgres;. .bash_profile | 2; env | grep PG
cd /export/home/postgres;. .bash_profile; 2; env | grep PG
cd /export/home/postgres;. .bash_profile; echo "2" ; env | grep PG
cd /export/home/postgres;. .bash_profile; echo 2; env | grep PG
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script(1) General Commands Manual script(1)
NAME
script - make typescript of terminal session
SYNOPSIS
[file]
DESCRIPTION
makes a typescript of everything printed on your terminal. It starts a shell named by the environment variable, or by default and silently
records a copy of output to your terminal from that shell or its descendents, using a pseudo-terminal device (see pty(7)).
All output is written to file, or appended to file if the option is given. If no file name is given, the output is saved in a file named
The recording can be sent to a line printer later with lp(1), or reviewed safely with the option of cat(1).
The recording ends when the forked shell exits (or the user ends the session by typing "exit") or the shell and all its descendents close
the pseudo-terminal device.
This program is useful when operating a CRT display and a hard-copy record of the dialog is desired. It can also be used for a simple form
of session auditing.
respects the convention for login shells as described in su(1), sh(1), and ksh(1). Thus, if it is invoked with a command name beginning
with a hyphen (that is, passes a basename to the shell that is also preceded by a hyphen.
The input flow control can be enabled by setting environmental variable before running Please see section for details on using this envi-
ronment variable.
EXAMPLES
Save everything printed on the user's screen into file
Append a copy of everything printed to the user's screen to file
WARNINGS
A command such as which displays the contents of the destination file, should not be issued while executing because it would cause to log
the output of the command to itself until all available disk space is filled. Other commands, such as more(1), can cause the same problem
but to a lesser degree.
records all received output in the file, including typing errors, backspaces, and cursor motions. Note that it does not record typed char-
acters; only echoed characters. Thus passwords are not recorded in the file. Responses other than simple echoes (such as output from
screen-oriented editors and command editing) are recorded as they appeared in the original session.
When there is no input flow control is not set), there can be some data loss while using However, script(1) can behave unexpectedly, if is
set and is not set.
AUTHOR
was developed by the University of California, Berkeley and HP.
script(1)