On Feb 11, 4:41=A0pm, Ed Morton <mor...@[EMAIL PROTECTED]
> wrote:
> On 2/11/2008 2:14 PM, jua...@[EMAIL PROTECTED]
wrote:
>
>
>
>
>
> > On Feb 11, 2:08 pm, Ed Morton <mor...@[EMAIL PROTECTED]
> wrote:
>
> >>On 2/11/2008 12:59 PM, jua...@[EMAIL PROTECTED]
wrote:
>
> >>>Hi, I'm trying to parse a file that looks like this to create 2
> >>>different files based on the first 3 characters
>
> >>>FL1ABC
> >>>LG1XYZ
> >>>LG2DBA
> >>>LG3PYZ
> >>>FL1CBA
> >>>LG1QWE
> >>>LG2ZXC
>
> >>>The first file will have all records starting with FL1 like this:
> >>>FL1ABC
> >>>FL1CBA
>
> >>>The second file will need to have the FL1 records appended to each of
> >>>the LG records below it like this:
>
> >>>FL1ABCLG1XYZ
> >>>FL1ABCLG2DBA
> >>>FL1ABCLG3PYZ
> >>>FL1CBALG1QWE
> >>>FL1CBALG2ZXC
>
> >>>Is there a way to easily build this logic using awk?
>
> >>>Thanks in advance for any helps you could provide.
>
> >>>Juan.
>
> >>This will create a file called "list" of all the FL1* records and
print =
the rest
> >>to stdout:
>
> >>awk '/^FL1/{key=3D$0;print > "list";next}{print key $0}' file
>
> >> =A0 =A0 =A0 =A0Ed.- Hide quoted text -
>
> >>- Show quoted text -
>
> > Thanks Ed,
>
> > That code works very well. =A0I discovered a problem in the original
> > file I was working from though. Some records in the file don't start
> > with LG so I need to include a condition to only write LG records to
> > stdout. =A0The file really looks like this:
>
> > FL1ABC
> > LEX123
> > LG1XYZ
> > LG2DBA
> > LG3PYZ
> > FL1CBA
> > LEX999
> > LG1QWE
> > LG2ZXC
>
> > Using the example above I would only want to write FL1 records along
> > with LG records, ignoring LEX records.
>
> > FL1ABCLG1XYZ
> > FL1ABCLG2DBA
> > FL1ABCLG3PYZ
> > FL1CBALG1QWE
> > FL1CBALG2ZXC
>
> > I tried a couple of things in the code but I just can't get a handle
> > on the proper syntax to accomplish it.
>
> > Thanks again.
>
> awk '/^FL1/{key=3D$0;print > "list";next} /^LG/{print key $0}' file
>
> =A0 =A0 =A0 =A0 Ed.- Hide quoted text -
>
> - Show quoted text -
Thanks Ed, this works great, is there a good awk basics book that you
could recommend?
I appreciate it.
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