Thread: calling sac commands within shell scripts

Thanks Derek, I modified your command line as

echo -e "macro ../sac_cut.macro \n exit" | sac

and still get the same error:
SAC> readline: readline_callback_read_char() called with no handler!
Aborted (core dumped)
cd: 25: can't cd to sac_cut.macro

I am thinking macro isn't seen as a command within sac by echo.

Thanks again!

Serenity isn't freedom from the storm, but peace within the storm
Januka Attanayake  Global Seismology & Economics
The University of Connecticut
Beach Hall - U2045
354, Mansfield Rd;
Storrs, CT 06269
Tel :  860 486 0475 (Office)
          860 486 3914 (Lab - P405)
URL: http://sites.google.com/site/janukaattanayake/






--- On Mon, 10/25/10, Derek Schutt <Derek.Schutt<at>colostate.edu> wrote:

From: Derek Schutt <Derek.Schutt<at>colostate.edu>
Subject: Re: [SAC-HELP] calling sac commands within shell scripts
To: sac-help<at>iris.washington.edu, jattanayake<at>gmail.com
Date: Monday, October 25, 2010, 12:31 PM






Hi Januka,



Here's one way to do it.   This is from a bash script that invokes
sac to change the "a" and "f" headers:



echo -e "r $sacfile \n ch a $a_time \n ch F $F_time \n wh \n exit" |
sac



I'd bet there are much more elegant ways to do it too.  



-Derek





On 10/25/2010 10:20 AM, Januka Attanayake wrote:
Greetings,

I am trying to call sac within a shell script as follows.



while read line

do

    cd $line

  

        sac

        gawk '{print "macro ../sac_cut.macro"}'



    cd ../

done < folder_list.txt





folder_list.txt holds the names of all the directory names that
the script is suppose to look in.

I see that sac is initiated but the problem is in executing
commands within sac once it is initiated. I have tried several
ways of doing that including printf and piping to sac with back
quotes. Still I get the following error.



SAC> readline: readline_callback_read_char() called with no
handler!



How should one execute sac commands within a shell script?



I am using sac Version 101.3b



Thanks a lot.



Januka.


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--
--------------------
Derek Schutt
Assistant Professor
Geosciences Department
309 Natural Resources Building
Campus Delivery 1482
Fort Collins, CO 80525-1482
http://warnercnr.colostate.edu/~schutt/CSU_web/index.htm
970-491-5786



-----Inline Attachment Follows-----

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Hi ,

This Cshell script may run (I cannot test at this time) .

the file a.csh :
----
foreach dir ( ` cat folder_list.txt ` ) # note that there two backquotes

cd $dir
echo macro ../sac_cut.macro > macro.tmp # the last line of the sac_cut.macro must be ‘exit’ to quit from sac
sac < macro.tmp
cd ..

end
\rm tmp
----

to run type

csh a.csh

Dr. Onur TAN
---------------------------------------------- 40.7866N 29.4500E ---------
TÜBİTAK Marmara Araştırma Merkezi, Yer ve Deniz Bilimleri Enstitüsü
TUBITAK Marmara Research Center, Earth and Marine Sciences Institute
Gebze - Kocaeli - TURKEY




On 25.10.2010 21:21, "Januka Attanayake" <jattanayake<at>gmail.com> wrote:

Hi again,
I've had a couple of responses from the members, thanks for your time! However, none of them worked. I still get the same error. I am calling sac within a while read line loop. Should there be a special way of calling sac and executing commands if I do it in a loop? I haven't come across this problem with other programs like GMT and taup at all.

my error msg: SAC> readline: readline_callback_read_char() called with no handler!

and bash script:

while read line
do
cd $line

sac
gawk '{print "macro ../sac_cut.macro"}'

cd ../
done < folder_list.txt

commands I've tried so far:

(1) echo -e "macro ../sac_cut.macro" | sac

(2) sac << EOF and !
macro ../sac_cut.macro
EOF and ! ==> doesn't work within a while loop

(3) printf "macro ../sac_cut.macro" | sac
(4) echo "macro ../sac_cut.macro" | sac


Thanks again !

Januka.

On Mon, Oct 25, 2010 at 12:20 PM, Januka Attanayake <jattanayake<at>gmail.com> wrote:
Greetings,
I am trying to call sac within a shell script as follows.

while read line
do
cd $line

sac
gawk '{print "macro ../sac_cut.macro"}'

cd ../
done < folder_list.txt


folder_list.txt holds the names of all the directory names that the script is suppose to look in.
I see that sac is initiated but the problem is in executing commands within sac once it is initiated. I have tried several ways of doing that including printf and piping to sac with back quotes. Still I get the following error.

SAC> readline: readline_callback_read_char() called with no handler!

How should one execute sac commands within a shell script?

I am using sac Version 101.3b

Thanks a lot.

Januka.

Hi all,

Frequently I have used this instruction within or not of a loop:

sac << EOF
macro ../sac_cut.macro
EOF

EOF (end of file, or what ever other string) is used to identify or close the end of sac (or other program like matlab or R) intructions. Between sac<<EOF and EOF you can put sac instructions. But you must care dont put space or tabs before the onset of each line, usually done when we put code within a loop. If EOF has, for instance, 3 spaces before EOF, the open intruction of sac must have them:

sac << EOF

macro ../sac_cut.macro

EOF

I am using cshell. I have not tested in other type of shell. If you dont want echo of the process you can use this:

sac << EOF>/dev/null

macro ../sac_cut.macro

EOF

If you want extract results to a file:

sac << EOF>my.file


macro ../sac_cut.macro


EOF

regards,
P.


Date: Mon, 25 Oct 2010 14:21:44 -0400
From: jattanayake<at>gmail.com
To: sac-help<at>iris.washington.edu
Subject: Re: [SAC-HELP] calling sac commands within shell scripts

Hi again,
I've had a couple of responses from the members, thanks for your time! However, none of them worked. I still get the same error. I am calling sac within a while read line loop. Should there be a special way of calling sac and executing commands if I do it in a loop? I haven't come across this problem with other programs like GMT and taup at all.


my error msg: SAC> readline: readline_callback_read_char() called with no handler!

and bash script:

while read line
do
cd $line

sac
gawk '{print "macro ../sac_cut.macro"}'


cd ../

done < folder_list.txt

commands I've tried so far:

(1) echo -e "macro ../sac_cut.macro" | sac

(2) sac << EOF and !
macro ../sac_cut.macro
EOF and ! ==> doesn't work within a while loop


(3) printf "macro ../sac_cut.macro" | sac
(4) echo "macro ../sac_cut.macro" | sac


Thanks again !

Januka.

On Mon, Oct 25, 2010 at 12:20 PM, Januka Attanayake <jattanayake<at>gmail.com> wrote:

Greetings,
I am trying to call sac within a shell script as follows.

while read line

do
cd $line

sac
gawk '{print "macro ../sac_cut.macro"}'

cd ../

done < folder_list.txt


folder_list.txt holds the names of all the directory names that the script is suppose to look in.
I see that sac is initiated but the problem is in executing commands within sac once it is initiated. I have tried several ways of doing that including printf and piping to sac with back quotes. Still I get the following error.



SAC> readline: readline_callback_read_char() called with no handler!

How should one execute sac commands within a shell script?

I am using sac Version 101.3b

Thanks a lot.


Januka.



--
"Nothing can start to exist nor can cease to exist, only transformation is possible"

Januka Attanayake
Solid Earth Geophysics & Economics

University of Connecticut
Beach Hall U-2045
354,Mansfield Rd;
Storrs.CT 06269

Tel: +1 860 486 0475 (Office)
+1 860 486 3914 (Lab - P405)
URL: http://sites.google.com/site/janukaattanayake/




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sac-help mailing list
sac-help<at>iris.washington.edu
http://www.iris.washington.edu/mailman/listinfo/sac-help