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Full Discussion: Script to compare file sizes
Top Forums Shell Programming and Scripting Script to compare file sizes Post 302515233 by tukuyomi on Tuesday 19th of April 2011 02:16:14 PM
Old 04-19-2011
Is this homework?
Anyway, look at the stat command to know the size of a file:
Code:
stat -c %s filename
stat --help

And use this syntax to write your conditions with bash
Code:
#!/bin/sh

# var1 contains size of file1
var1=$(stat -c%s file1)
# var2 contains size of file2
#same as above
if [[ "$var1" -lt "$var2" ]]; then
    echo '..........'
elif [[ "$var1" -gt "$var2" ]]; then
    echo '..........'
elif [[ "$var1" -eq "$var2" ]]; then
    echo '..........'
fi

man bash for more informations.

Last edited by tukuyomi; 04-19-2011 at 03:28 PM.. Reason: bash tests with [[ instead of single [, works anyways because of the shebang (bin/sh)
 

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MOUNT_MSDOS(8)						    BSD System Manager's Manual 					    MOUNT_MSDOS(8)

NAME
mount_msdos -- mount an MS-DOS file system SYNOPSIS
mount_msdos [-o options] [-u uid] [-g gid] [-m mask] special node DESCRIPTION
The mount_msdos command attaches the MS-DOS filesystem residing on the device special to the global filesystem namespace at the location indicated by node. This command is normally executed by mount(8) at boot time, but can be used by any user to mount an MS-DOS file system on any directory that they own (provided, of course, that they have appropriate access to the device that contains the file system). The options are as follows: -o options Use the specified mount options, as described in mount(8). -u uid Set the owner of the files in the file system to uid. The default owner is the owner of the directory on which the file system is being mounted. -g gid Set the group of the files in the file system to gid. The default group is the group of the directory on which the file system is being mounted. -m mask Specify the maximum file permissions for files in the file system. (For example, a mask of 755 specifies that, by default, the owner should have read, write, and execute permissions for files, but others should only have read and execute permissions. See chmod(1) for more information about octal file modes.) Only the nine low-order bits of mask are used. The default mask is taken from the directory on which the file system is being mounted. SEE ALSO
mount(2), unmount(2), fstab(5), mount(8) CAVEATS
FreeBSD 2.1 and earlier versions could not handle cluster sizes larger than 16K. Just mounting an MS-DOS file system could cause corruption to any mounted file system. Cluster sizes larger than 16K are unavoidable for file system sizes larger than 1G, and also occur when filesys- tems larger than 1G are shrunk to smaller than 1G using FIPS. HISTORY
The mount_msdos utility first appeared in FreeBSD 2.0. Its predecessor, the mount_pcfs utility appeared in FreeBSD 1.0, and was abandoned in favor of the more aptly-named mount_msdos. BSD
April 7, 1994 BSD
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