Help with script Post: 302190039

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Top Forums Shell Programming and Scripting Help with script Post 302190039 by Movomito on Monday 28th of April 2008 01:28:17 PM

04-28-2008

Registered User

Help with script

I have created the following script.

#!/bin/bash
#works list is any list that you give it, but it was designed to be used with the entire image volume list.
#for this script to have the most effect please run mobooksfiles/find-remove-empty-ebooks.sh befor running this.
if [ ! $2 ]; then
echo missing arguments$s$
echo rsync-from-file.sh \<works-list\> \<target-read\>
exit 1
fi

TARGET=$2
WORKLIST=/Users/tbrc/scripts/works2eBooks/$1
NOTEMPTY=/Users/tbrc/scripts/works2eBooks/mobooksfiles/notempty.txt
RESULT=/Users/tbrc/scripts/works2eBooks/mobooksfiles/result.txt

exec 3<&0
exec 0<$WORKLIST
while read line
do
cd $TARGET
find ./$line -type d \! $ -name "image*" -empty $ | awk -F'/' '{a[$2]++; if ( a[$2]==1 ) print "/"$2}' |
while read dir;
do
find .$dir -type d -name 'e*' | grep . && continue
echo "$dir" >$RESULT
done
done
exec 0<&3

#if you get rid of this line and the # before java below eBooks will be generated for the files found to have none from the above script
cd /Users/tbrc/scripts/works2eBooks
java -classpath pdflib.jar:. works2eBooks $TARGET $RESULT

exit 0

There are a few things that i dont understand that seem to be happening. The first is when i remove my >RESULT it outputs all of the files to the screen like this

./W2/eBooks/
./W3/eBooks/
./W4/eBooks/
/W5
but when i add >RESULT I still get this on the screen
./W2/eBooks/
./W3/eBooks/
./W4/eBooks/
and this to RESULT
/W5

Why is this happening? (I do like that it happens but am not sure why)

and issue number 2. It was outputting all of the directories that didn't have ebooks to RESULT but after some tinkering seems to only be outputting the first directory that it finds not to have eBooks to result.

my script then generates an ebook for it. So if i run it again it finds the next and so on but i obviously want it to output all of them at once. Any help would be great. And any suggestions on how to make it run even faster aside from what i have asked for would also be great.

Thanks

Movomito

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tcl_allowexceptions

Tcl_AllowExceptions(3)					      Tcl Library Procedures					    Tcl_AllowExceptions(3)

__________________________________________________________________________________________________________________________________________________

NAME

       Tcl_AllowExceptions - allow all exceptions in next script evaluation

SYNOPSIS

       #include <tcl.h>

       Tcl_AllowExceptions(interp)

ARGUMENTS

       Tcl_Interp *interp (in)		Interpreter in which script will be evaluated.
_________________________________________________________________

DESCRIPTION

       If  a  script is evaluated at top-level (i.e. no other scripts are pending evaluation when the script is invoked), and if the script termi-
       nates with a completion code other than TCL_OK, TCL_ERROR or TCL_RETURN, then Tcl normally converts this into a TCL_ERROR  return  with	an
       appropriate  message.  The particular script evaluation procedures of Tcl that act in the manner are Tcl_EvalObjEx, Tcl_EvalObjv, Tcl_Eval,
       Tcl_EvalEx, Tcl_GlobalEval, Tcl_GlobalEvalObj, Tcl_VarEval and Tcl_VarEvalVA.

       However, if Tcl_AllowExceptions is invoked immediately before calling one of those a procedures, then arbitrary completion codes  are  per-
       mitted from the script, and they are returned without modification.  This is useful in cases where the caller can deal with exceptions such
       as TCL_BREAK or TCL_CONTINUE in a meaningful way.

KEYWORDS

       continue, break, exception, interpreter

Tcl									7.4						    Tcl_AllowExceptions(3)