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Full Discussion: How to check the file size and content of the file
Top Forums Shell Programming and Scripting How to check the file size and content of the file Post 302539635 by divya bandipotu on Monday 18th of July 2011 09:37:26 AM
Old 07-18-2011
Hi,

If u want, then need to do some modifications in below script and use...
Code:
clear
echo -n "Enter the name of file : "
read name
echo "Checking the existance of file $name"
echo
echo ".................................................."
sleep 2
ls -lrt $name
echo "Checking the size of file"
echo
sleep 2
size=`ls -lrt $name | awk '{print $5}'`
echo "******Size of $name is $size bytes"
echo
sleep 2
echo "Checking the number of lines"
echo
sleep 2
line=`wc -l $name | awk '{print $1}'`
echo "******$name is containing $line lines"
echo
sleep 2
echo "Checking the value of ETL_EXTRACT_DATE"
echo
sleep 2
value=`cat $name | grep ETL_EXTRACT_DATE | sed 's/\(.*\)=\(.*\)/\2/'`
echo "******Value of ETL_EXTRACT_DATE is $value"
echo
sleep 2
if [ $size == 0 -o  $value ==  ]
then
  echo "the file is 0 byte or there is no value for the ETL_EXTRACT_DATE field .."
fi

Last edited by Scott; 07-18-2011 at 10:41 AM.. Reason: Code tags
 

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LEARN ABOUT XFREE86

ppmtosixel

ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

NAME

       ppmtosixel - convert a portable pixmap into DEC sixel format

SYNOPSIS

       ppmtosixel [-raw] [-margin] [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as input.  Produces sixel commands (SIX) as output.	The output is formatted for color printing, e.g. for a DEC
       LJ250 color inkjet printer.

       If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled.  A printer control header and a color assignment table
       begin the SIX file.  Image data is written in a compressed format by default.  A printer control footer ends the image file.

OPTIONS

       -raw   If  specified,  each  pixel  will  be explicitly described in the image file.  If -raw is not specified, output will default to com-
	      pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands.  A raw file is often an order	of  magni-
	      tude larger than a compressed file and prints much slower.

       -margin
	      If  -margin  is not specified, the image will be start at the left margin (of the window, paper, or whatever).  If -margin is speci-
	      fied, a 1.5 inch left margin will offset the image.

PRINTING

       Generally, sixel files must reach the printer unfiltered.  Use the lpr -x option or cat filename > /dev/tty0?.

BUGS

       Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion.  If the original PPM maxval was
       greater	than  100,  rescaling  also reduces the image depth.  While the actual RGB values from the ppm file are more or less retained, the
       color palette of the LJ250 may not match the colors on your screen.  This seems to be a printer limitation.

SEE ALSO

       ppm(5)

AUTHOR

       Copyright (C) 1991 by Rick Vinci.

								   26 April 1991						     ppmtosixel(1)
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