File size using BASH script

cb951303 · 02-02-2006, 03:17 AM

How can I get the size of a file using bash scrpt? thanks.

Hko · 02-02-2006, 03:38 AM

Code:

#!/bin/bash
FILENAME=/home/heiko/dummy/packages.txt
FILESIZE=$(stat -c%s "$FILENAME")
echo "Size of $FILENAME = $FILESIZE bytes."

cb951303 · 02-02-2006, 03:41 AM

thanks very much

bogoda · 02-02-2006, 03:59 AM

Hi cb.....,

U can use DF command. Please use manual man df ,info df for more.

kshkid · 02-02-2006, 04:26 AM

dummy one,

Code:

ls -l filename  |awk -F" "'{ print $5 }'

bigearsbilly · 02-03-2006, 11:52 AM

try:
du file
du -h file
du -k file

Aries97 · 01-28-2007, 11:23 PM

Another option:

Code:

X=~/The_File
size=$(du -b ${X} | sed 's/\([0-9]*\)\(.*\)/\1/')

- Aries

jlinkels · 01-29-2007, 05:08 AM

cat <filename> | wc -c

jlinkels

tomines · 12-13-2007, 06:26 PM

another way to skin the cat

ls -l $FILENAME | cut -d " " -f 6

H_TeXMeX_H · 12-14-2007, 10:34 AM

'ls' is NOT reliable for telling file sizes. Use 'stat' it is most reliable.

tomines · 12-17-2007, 04:35 PM

Can you please explain why these other methods are not reliable?

gnashley · 12-18-2007, 03:25 AM

Not all programs determine the file size in the same way. Some methods simply don't give an accurate result.

frenchn00b · 08-07-2010, 06:49 AM

Quote:

Originally Posted by tomines

Can you please explain why these other methods are not reliable?

I confirm , this would be interesting to know ...

konsolebox · 08-07-2010, 07:45 PM

Quote:

Originally Posted by H_TeXMeX_H

'ls' is NOT reliable for telling file sizes. Use 'stat' it is most reliable.

I'll agree with H_TeXMeX_H. Using stat is the best method:

Code:

stat --printf="%s" file.any

Aries97 · 08-11-2010, 10:48 PM

Ooh! Yes, using stat is much better than what I came up with. Thank you!