[SAC-HELP] help-"merge"

[George Helffrich]

Dear Zhouchuan Huang -

	This is probably not what you want to do.  If you look at the merge 
command documentation, merge works as a binary operator:  it merges one 
file in memory with a file in a list.  Thus, if you have

file.z
file_a.z
file_b.z
file_c.z

in your directory and then

READ file.z; MERGE file_*.z

this would be an error: only one file is in memory, and three files are 
in your list.  Rather, you'd want

READ file; MERGE file_a.z; MERGE file_b.z; MERGE file_c.z

	But if you really have three files in memory, then

MERGE file_*.z

should work.  If not, it is a bug, but you can work around it by doing 
something like,

cat << EOF > domerge
sc echo $1$ | awk '{printf "setbb flist \"@%s\"\n",@$0}' > 
/tmp/tmp.macro
m /tmp/tmp.macro
sc rm /tmp/tmp.macro
merge %flist%
unsetbb flist
EOF

macro domerge 1997.123*.sac

On 9 Mar 2009, at 11:35, Zhouchuan Huang wrote:

> Hello,
>  
> I have problem using "merge".
> I would like to read file names from another file and make it as 
> variables. But it seems that the "merge" command needs a full name.
> e.g. I can read a file this way: r 1997.123.*.sac, it works well.
>       but when I use merge: merge 1997.123*.sac, it returns the error: 
> Error 108: file does not exist.
>  
> So could you help me? Thank you very much!
>
> -- 
> Zhouchuan Huang
> School of Earth Sciences and Engineering
> Nanjing University
> 22 Hankou Road
> Nanjing 210093
> P.R.CHINA.
> Tel:+86 13675137130
>
>
>
>
> _______________________________________________
> sac-help mailing list
> sac-help at iris.washington.edu
> http://www.iris.washington.edu/mailman/listinfo/sac-help
>
                                     George Helffrich
                                     george at geology.bristol.ac.uk
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