Redirect output to a file


 
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# 1  
Old 01-30-2007
Redirect output to a file

Ahhhrrrggg I'm having a brain fart...

I want to take the output of a command and redirect it to a file...
This works....
$ man cp | cat >> copy_help

but this doesn't

keytool -help |cat >> keytool_help
It just produces... these lines...
more keytool_help
[-providerClass <provider_class_name> [-providerArg <arg>]] ...
[-providerClass <provider_class_name> [-providerArg <arg>]] ...
# 2  
Old 01-30-2007
Why not just "man cp >> copy_help"?

Carl
# 3  
Old 01-30-2007
That will work too... It's the keytool >> that is the problem. I can't get the help text to show up in a file.
# 4  
Old 01-30-2007
Actually it's the 'cat' that's a problem. What happens if you type "keytool -help >> keytool_help"?

Carl
# 5  
Old 01-30-2007
It does create a file but no help text...
more keytool_help
[-providerClass <provider_class_name> [-providerArg <arg>]] ...

Last edited by jimmyc; 01-30-2007 at 04:15 PM..
# 6  
Old 01-30-2007
That does appear to be some sort of help (command line options). Are you passing the right question to keytool? Maybe it needs "keytool --help" for example. Most of the linux tools are dash single character and double-dash word.

Code:
$ keytool -h

vs

Code:
$ keybool --help

Don't know what system you're on and what keytool is although a quick google search finds:

http://java.sun.com/j2se/1.3/docs/to...2/keytool.html
http://developer.apple.com/documenta...keytool.1.html

Both refer to the same tool (and it uses -help, a single dash). It might be better to just reference one of these pages for more help if this is the tool you're looking for Smilie

What output do you get if you just type keytool -help without redirecting?

Carl
# 7  
Old 01-30-2007
System = SUNW,Ultra-5_10

Keytool comes with java and is used to create and manage x509 keys, mainly used with SSLFTP connections.
I bet the problem is "keytool". It's not a unix command but a Java app/tool. When java responds back I bet it doesn't understand the >> filename. Still seems odd it doesn't write to a file though.

When I run keytool -help or --help or -? I get good output.

$ keytool -help
keytool usage:

-certreq [-v] [-protected]
[-alias <alias>] [-sigalg <sigalg>]
[-file <csr_file>] [-keypass <keypass>]
[-keystore <keystore>] [-storepass <storepass>]
[-storetype <storetype>] [-providerName <name>]
[-providerClass <provider_class_name> [-providerArg <arg>]] ...

-delete [-v] [-protec
...


Ho well... seemed simple enough...
 
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