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UNIX for Dummies Questions & Answers
m4 as script interpreter
Post 302322111 by drl on Tuesday 2nd of June 2009 11:05:20 PM
06-03-2009
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1. Shell Programming and Scripting
Hi,
I have a developer that is trying to start a script with sh "scriptname". In the script, he is specifying #!/usr/bin/ksh as the command interpreter. For some reason sh is ignoring the #!/usr/bin/ksh. We are running Solaris 8. Does anyone have any ideas what could be causing this? Here... (3 Replies)
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While trying out my hand at writing an interpreter, I was wondering about a a few issues one of which is the following: When I run a command such as jobs in the shell, I get a list of all the background jobs that are running... But if I need my interpreter to run that command, how would I be doing... (34 Replies)
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if somebody can help me pls.
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i need a very short and simple one, just for the compiling part, in UNIX
Respect (4 Replies)
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4. Shell Programming and Scripting
What would be the best way or method to determine or test for the shell interpreter at the beginning of a script in the event one shell is not available?
If I use the following:
#!/bin/bash
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Hi Gurus,
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Hello guys - do you have any sample program implementing UNIX commands in an interpreter with Java? I can look up the simple ones such "ls" etc and then write my own commands.
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Hi All,
I'm not confortable in writing script, can someone can help me, when I run that script below i found this error code : -bash: ./script.sh: /bin/sh.: bad interpreter:
Here is the script
for i in *
x=${i##*.}
z=$(perl -e 'print time;')
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Hi. My name is Caleb (a.k.a RagingNinja) form the whited00r forums. (Whited00r makes custom firmware for iOS devices).
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Can you explain me what is ment by interpreter files ??
Why and how they are used?? (1 Reply)
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LEARN ABOUT SUNOS
env
env(1) User Commands env(1) NAME
env - set environment for command invocation SYNOPSIS
/usr/bin/env [-i | -] [name=value...] [ utility [ arg... ]] /usr/xpg4/bin/env [-i | -] [name=value...] [ utility [ arg... ]] DESCRIPTION
The env utility obtains the current environment, modifies it according to its arguments, then invokes the utility named by the utility op- erand with the modified environment. Optional arguments are passed to utility. If no utility operand is specified, the resulting environment is written to the standard output, with one name=value pair per line. /usr/bin If env executes commands with arguments, it uses the default shell /usr/bin/sh (see sh(1)). /usr/xpg4/bin If env executes commands with arguments, it uses /usr/xpg4/bin/sh (see ksh(1)). OPTIONS
The following options are supported: -i | - Ignores the environment that would otherwise be inherited from the current shell. Restricts the environment for utility to that specified by the arguments. OPERANDS
The following operands are supported: name=value Arguments of the form name=value modify the execution environment, and are placed into the inherited environment before utility is invoked. utility The name of the utility to be invoked. If utility names any of the special shell built-in utilities, the results are unde- fined. arg A string to pass as an argument for the invoked utility. EXAMPLES
Example 1: Invoking utilities with new PATH values The following utility: example% env -i PATH=/mybin mygrep xyz myfile invokes the utility mygrep with a new PATH value as the only entry in its environment. In this case, PATH is used to locate mygrep, which then must reside in /mybin. ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of env: LANG, LC_ALL, LC_CTYPE, LC_MES- SAGES, and NLSPATH. PATH Determine the location of the utility. If PATH is specified as a name=value operand to env, the value given shall be used in the search for utility. EXIT STATUS
If utility is invoked, the exit status of env is the exit status of utility. Otherwise, the env utility returns one of the following exit values: 0 Successful completion. 1-125 An error occurred. 126 utility was found but could not be invoked. 127 utility could not be found. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: /usr/bin +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |CSI |enabled | +-----------------------------+-----------------------------+ /usr/xpg4/bin +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWxcu4 | +-----------------------------+-----------------------------+ |CSI |enabled | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
ksh(1), sh(1), exec(2), profile(4), attributes(5), environ(5), standards(5) SunOS 5.10 2 Jan 2002 env(1)