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Full Discussion: some strange problem with return data in script
Top Forums Shell Programming and Scripting some strange problem with return data in script Post 302587124 by sukhdip on Wednesday 4th of January 2012 06:17:08 AM
Old 01-04-2012
some strange problem with return data in script
Hi,
I have come across a little strange problem in my script. i tried the same logic in some other script where its working fine. but in other script its not behaving as expected.
Here is the code:
Code:
#!/bin/bash

run_count="2"    
catalog_name="demo"
cd /root/Test_project/Files/$catalog_name
for file in $run_count"_"*.csv; do
 echo $file
 file_count=`grep -c "." $file`
 echo $file_count"file_count \n"
 FILE_NAME=$run_count"_"$catalog_name"_Row_Count.prop"
 PROP_KEY=$file
 Count_file=$(awk -F"=" '{ ()print $1; }' $FILE_NAME )
 echo "file count= "$Count_file
 Count=`cat ${FILE_NAME} | grep ${PROP_KEY} | cut -d'=' -f2`

 echo $Count  #[Here its working fine, its showing the correct values which is returned from top]
 echo $Count"hi" #[here if i'm printing something with it then the value of $Count is lost. and its only printing hi] don't know why
 
#and based on that furhter logic is not working which is under if

if [ "$Count" == "$file_count" ]; then
 echo "column header count row proper"
 else
 echo "Error send a mail as count is not correct in "$file
 exit 1
fi
done
exit 0

My question is this
1. Why the value is lost of $Count when am trying to print something with it.
2. Is there any problem of data type?
3. What type of datatype is returned by cut command in above?
Here I need to return integer and then to compare them
Count is the number of files, which is specified in a property file from where its picking in above case.
file_count is number of rows in a file.

I need to compare them both and then have to take action further.
Help me out if there is something wrong with data type or logic or something else.

Thanks,
 

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LEARN ABOUT SUSE

gc

GC(1)							      General Commands Manual							     GC(1)

NAME

       gc - count graph components

SYNOPSIS

       gc [ -necCaDUrs?  ] [ files ]

DESCRIPTION

       gc is a graph analogue to wc in that it prints to standard output the number of nodes, edges, connected components or clusters contained in
       the input files.  It also prints a total count for all graphs if more than one graph is given.

OPTIONS

       The following options are supported:

       -n     Count nodes.

       -e     Count edges.

       -c     Count connected components.

       -C     Count clusters. By definition, a cluster is a graph or subgraph whose name begins with "cluster".

       -a     Count all. Equivalent to -encC

       -r     Recursively analyze subgraphs.

       -s     Print no output. Only exit value is important.

       -D     Only analyze directed graphs.

       -U     Only analyze undirected graphs.

       -?     Print usage information.

       By default, gc returns the number of nodes and edges.

OPERANDS

       The following operand is supported:

       files   Names of files containing 1 or more graphs in dot format.  If no files operand is specified, the standard input will be used.

EXIT STATUS

       The following exit values are returned:

       0   Successful completion.

       1   The -U or -E option was used, and a graph of the wrong type was encountered.

AUTHOR

       Emden R. Gansner <erg@research.att.com>

SEE ALSO

       wc(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), sccmap(1), tred(1), libgraph(3)

								   21 March 2001							     GC(1)
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