Re: shell script experts pls help a lost soul
john smith wrote:
>
> hi,
>
> I am having some problems creating some sample scripts...hoping that
> somebody can lend a helping hand.
>
> #!/bin/sh
> if test -x $1
> then whoami;
> echo $1
> fi
>
> Yes I know my script sucks but I'm just learning..anyway, my questions are:
>
> 1. my script doesn't seem to display the script name together with
> whoami..actually, what the script was supposed to do is when it is invoked,
> it will display the user name together with the scriptname should the
> scriptname gets changed somehow..it displays the username but not the
> scriptname itself.
The name of the script is $0. $1 is the first argument.
> 2. how do I add to this script the count of the number of lines in a file?
> i.e. let's say cat's man page.
man wc.
> 3.lastly,let's say I want to print the first line of each 3-char.h file in
> /usr/include/lib..how can I accomplish this?
I'm not sure what you're asking exactly. Perhaps something like
for i in *.h; do this; do that; do the other thing; done
See 'man bash'. for name [ in word ] ; do list ; done
See also 'man head'.
> and Yes, this is part of my assignment
I hope I still left something to the imagination...
-Ron-
GPG and other info at: http://www.yellowbank.com/
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