Sponsored Content
Top Forums UNIX for Advanced & Expert Users Running scripts without a hashbang - ksh anomaly? Post 302911269 by neutronscott on Wednesday 30th of July 2014 10:16:36 PM
Old 07-30-2014
With the shebang, the OS loads the interpreter. without the shebang, the shell implements this. Must be how ksh93 copies the environment, overwriting the parent's without zeroing it first? Just looking briefly, it may start with sh_fork()/ sh_ntfork() in xec.c
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

executing variables in ksh scripts?

In a ksh script on an AIX box running a jillion oracle database processes, I'm setting a variable to one of two possible arguments, depending on cmd line arguments. FINDIT="ps -ef | grep oracle | grep DBexport | grep rshrc" -or- FINDIT="ps -ef | grep oracle | grep prod | grep runback" I... (3 Replies)
Discussion started by: zedmelon
3 Replies

2. Shell Programming and Scripting

converting ksh scripts to sh

Hello All, I have a whole bunch of shell scripts written in a ksh environment and which successfully execute there. However, I found out that they eventually need to be used in a sh environment. So some commands like some_variable=$(some_command) fail because sh doesn't understand $(.....). I... (11 Replies)
Discussion started by: sherkaner
11 Replies

3. Shell Programming and Scripting

Running scripts via su

Hi All, Am using the below command to start my application using the root user su - bin -c "/home/bin/test/start.sh" but am getting the error becaue i have set some environment varibales in bin .profile when i execute the command start.sh by logging directly into bin account it's... (8 Replies)
Discussion started by: ravi.sri24
8 Replies

4. Shell Programming and Scripting

Running scripts within scripts from cron

Hi all, I have set up a cron job which calls another shell script shell script which in turn calls a Java process. The cron tab looks so. 0,30 7-18 * * 1-5 /u01/home/weblogic/brp/bin/checkstatus.sh >> /u01/home/weblogic/logs/checkstatus.log The checkstatus.sh scripts looks like this. ... (4 Replies)
Discussion started by: sirbrian
4 Replies

5. Shell Programming and Scripting

Ksh Associating scripts

Im writing a script in the Ksh, as the title suggests. OK so im sincerely tring to be lazy. Im trying to make a script that will use another file as a sort of variable library So basically i dont need to include the variables themselves, just want to make a reference to the file, so the... (2 Replies)
Discussion started by: Demon002
2 Replies

6. Shell Programming and Scripting

KSH script to run other ksh scripts and output it to a file and/or email

Hi I am new to this Scripting process and would like to know How can i write a ksh script that will call other ksh scripts and write the output to a file and/or email. For example ------- Script ABC ------- a.ksh b.ksh c.ksh I need to call all three scripts execute them and... (2 Replies)
Discussion started by: pacifican
2 Replies

7. Shell Programming and Scripting

hashbang line

Hi All, I am new to this forum. I would really appreciate if some one from you expert team could answer my qns: 1) whats the difference between the below commands. what events occur in the background when I fire each of the three commands. >./script.ksh >sh script.ksh >script.ksh ... (11 Replies)
Discussion started by: agrawal.prachi
11 Replies

8. Shell Programming and Scripting

KSH - How to call different scripts from master scripts based on a column in an Oracle table

Dear Members, I have a table REQUESTS in Oracle which has an attribute REQUEST_ACTION. The entries in REQUEST_ACTION are like, ME, MD, ND, NE etc. I would like to create a script which will will call other scripts based on the request action. Can we directly read from the REQUEST_ACTION... (2 Replies)
Discussion started by: Yoodit
2 Replies

9. Shell Programming and Scripting

Restrict access to .ksh scripts

Hi, How to restrict access to a .ksh script in such the way that the users can only execute the script, neither read nor write. I tried the below code so that my user alone has the rwx and other users can only execute. chmod 711 sample.ksh But when I logged in as a different user... (26 Replies)
Discussion started by: machomaddy
26 Replies
tee(1)								   User Commands							    tee(1)

NAME
tee - replicate the standard output SYNOPSIS
/usr/bin/tee /usr/bin/tee [-ai] [file]... ksh93 tee [-ail] [file]... DESCRIPTION
/usr/bin/tee /usr/bin/tee copies standard input to standard output, making a copy in zero or more files. tee does not buffer its output. The options determine if the specified files are overwritten or appended to. ksh93 The tee built-in in ksh93 is associated with the /bin and /usr/bin paths. It is invoked when tee is executed without a pathname prefix and the pathname search finds a /bin/tee or /usr/bin/tee executable. tee copies standard input to standard output and to zero or more files. The options determine whether the specified files are overwritten or appended to. The tee utility does not buffer output. If a write to a file fails, tee continues to write to other files although it exits with a non-zero exit status. The number of file operands that can be specified is limited by the underlying operating system. OPTIONS
/usr/bin/tee The following options are supported by /usr/bin/tee: -a Appends the output to the files rather than overwriting them. -i Ignores interrupts. ksh93 The following options are supported by the tee built-in command in ksh93: -a Appends the output to the files rather than overwriting them. --append -i Ignores SIGINT signal. --ignore-interrupts -l Sets the standard output to be line buffered. --line-buffer OPERANDS
The following operands are supported: file A path name of an output file. Processing of at least 13 file operands are supported. USAGE
See largefile(5) for the description of the behavior of tee when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes). ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of tee: LANG, LC_ALL, LC_CTYPE, LC_MES- SAGES, and NLSPATH. EXIT STATUS
/usr/bin/tee The following exit values are returned by /usr/bin/tee: 0 The standard input was successfully copied to all output files. >0 The number of files that could not be opened or whose status could not be obtained. ksh93 The following exit values are returned by tee in ksh93: 0 Successful completion. >0 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: /usr/bin/tee +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |Standard |See standards(5). | +-----------------------------+-----------------------------+ ksh93 +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |Interface Stability |See below. | +-----------------------------+-----------------------------+ The ksh93 built-in binding to /bin and /usr/bin is Volatile. The built-in interfaces are Uncommitted. SEE ALSO
cat(1), ksh93(1), attributes(5), environ(5), largefile(5), standards(5) SunOS 5.11 20 Nov 2007 tee(1)
All times are GMT -4. The time now is 05:48 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy