I would like to write the format of a drawing with "file drawing"
Files start like:
CAD
A1
mm
(Blank after A1)
or:
CAD
A00
m
(Blank after "m")
I tried somethings like in the file magic:
0 string CAD\n CAD-Drawing
>&0 regex ^A[0-9]+ Format=[%s]
>>&0 search \n
>>>&0 regex ^[a-z]+ Units=[%s]
but with no luck!
Is there any way to solve this problem?
I would prefer to get no blanks.
That means not just:
0 string CAD\n CAD-Drawing
>&0 string x Format=[%s]
>>&0 string x Units=[%s]
which results in … Format=[A1 ] … or … Units=[m ]
Best Answer
Regexes in
man magic
are not extensively detailed. But have a look at this brilliant answer by JigglyNaga.For a start you need to escape several characters in regexes in magic files:
^
,+
and spaces are examples. Here are two ways of making your magic file work for the files you describe:This ignores the spaces, and therefore will print the following:
A better way (in my humble opinion) is to keep spaces in the Version and Units strings:
(Note that I needed to escape the spaces even that they're inside character groups).
This prints the following:
References: