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Top Forums Shell Programming and Scripting using if statement to check file size Post 302359999 by aemunathan on Thursday 8th of October 2009 01:56:38 AM
Old 10-08-2009
using if statement to check file size

Hi,

Am trying to execute certain commands if the condition satisfied, but i feel i am making some mistakes in the usage of if statement

here is the code
Code:
#!/bin/ksh
SIZE=$(ls -ltr /aemu/ws/DN.txt  | tr -s ' ' | cut -d ' ' -f 5)
filename=`TZ=CST+24 date +%Y%m%d`
ZERO=0

if [$SIZE=$ZERO ] 
then
cp /aemu/ws/DN.txt /aemu/ws/backup/dn/$filename
echo $SIZE
fi
exit

am getting the error as

Quote:
# ./checksizeANDmove
./checksizeANDmove[6]: [0=0: not found
#
Aemunathan
 

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TRUNCATE(1)							   User Commands						       TRUNCATE(1)

NAME
truncate - shrink or extend the size of a file to the specified size SYNOPSIS
truncate OPTION... FILE... DESCRIPTION
Shrink or extend the size of each FILE to the specified size A FILE argument that does not exist is created. If a FILE is larger than the specified size, the extra data is lost. If a FILE is shorter, it is extended and the extended part (hole) reads as zero bytes. Mandatory arguments to long options are mandatory for short options too. -c, --no-create do not create any files -o, --io-blocks treat SIZE as number of IO blocks instead of bytes -r, --reference=RFILE base size on RFILE -s, --size=SIZE set or adjust the file size by SIZE bytes --help display this help and exit --version output version information and exit SIZE is an integer and optional unit (example: 10M is 10*1024*1024). Units are K, M, G, T, P, E, Z, Y (powers of 1024) or KB, MB, ... (powers of 1000). SIZE may also be prefixed by one of the following modifying characters: '+' extend by, '-' reduce by, '<' at most, '>' at least, '/' round down to multiple of, '%' round up to multiple of. GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report truncate translation bugs to <http://translationpro- ject.org/team/> AUTHOR
Written by Padraig Brady. COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
dd(1), truncate(2), ftruncate(2) The full documentation for truncate is maintained as a Texinfo manual. If the info and truncate programs are properly installed at your site, the command info coreutils 'truncate invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 TRUNCATE(1)
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