02-27-2004
Need a good scripting book
Just a quick request guys
As you might have guessed I've just started getting involved in Unix
The guys and the boss in the unix team (not with them yet) have given me some projects to do at my request.
Some of which involve scripting. The work is paying for me to go on a scripting course ao things are looking up.
But this is where the problem lies, I use man at every opportunity (and the forums) but I need a reccomendation for a good scripting book for a newbie.
The reason!! I done a man on trap and I still dont know what it does and i must have read it about 20 times.
Cheers in advance the w33man
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LEARN ABOUT ULTRIX
re_exec
regex(3) Library Functions Manual regex(3)
Name
re_comp, re_exec - regular expression handler
Syntax
char *re_comp(s)
char *s;
re_exec(s)
char *s;
Description
The subroutine compiles a string into an internal form suitable for pattern matching. The subroutine checks the argument string against
the last string passed to
The subroutine returns 0 if the string s was compiled successfully; otherwise a string containing an error message is returned. If is
passed 0 or a null string, it returns without changing the currently compiled regular expression.
The subroutine returns 1 if the string s matches the last compiled regular expression, 0 if the string s failed to match the last compiled
regular expression, and -1 if the compiled regular expression was invalid (indicating an internal error).
The strings passed to both and may have trailing or embedded newline characters; they are terminated by nulls. The regular expressions
recognized are described in the manual entry for given the above difference.
Diagnostics
The subroutine returns -1 for an internal error.
The subroutine returns one of the following strings if an error occurs:
No previous regular expression
Regular expression too long
unmatched (
missing ]
too many () pairs
unmatched )
See Also
ed(1), ex(1), egrep(1), fgrep(1), grep(1)
regex(3)