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Re: Check if file size greater than a small number?


From: Alex fxmbsw7 Ratchev
Subject: Re: Check if file size greater than a small number?
Date: Thu, 10 Mar 2022 03:15:56 +0100

and clean up
last mail
cheers

minsize() { < <( LC_ALL=C find "${@:2}"  -printf %p\\0%s\\0\\0 ) gawk -v
RS=\\0\\0 -v FS=\\0 -v min=$1 'BEGIN { while ( getline <"/dev/stdin" ) if (
$2 <= min ) print $1 ; exit }' ; }

On Thu, Mar 10, 2022 at 3:10 AM Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com>
wrote:

> fix
>
> minsize() { < <( LC_ALL=C find "${@:2}"  -printf %p\\0%s\\0\\0 ) gawk -v
> RS=\\0\\0 -v FS=\\0 -v min=$1 'BEGIN { while ( getline <"/dev/stdin" ) if (
> ++i && $2 <= min ) print $1 ; exit }' ; }
>
> On Thu, Mar 10, 2022 at 3:09 AM Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com>
> wrote:
>
>> filename printing :
>>
>> minsize() { < <( LC_ALL=C find "${@:2}"  -printf %p\\0%s\\0\\0 ) gawk -v
>> RS=\\0\\0 -v FS=\\0 -v min=$1 'BEGIN { while ( getline <"/dev/stdin" ) if (
>> ++i && $1 <= min ) print $1 ; exit }' ; }
>>
>> minsize <minsize> <find entry points>
>>
>> On Thu, Mar 10, 2022 at 3:03 AM Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com>
>> wrote:
>>
>>> lil correction, not printf 22 >22 , its printf 22 >2
>>>
>>> On Thu, Mar 10, 2022 at 3:02 AM Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com>
>>> wrote:
>>>
>>>> mkdir ttt
>>>> cd ttt
>>>>
>>>> >0 ; printf 1 >1 ; printf 22 >22 ; printf 333 >3
>>>>
>>>> minsize() { < <( LC_ALL=C find "${@:2}" -maxdepth 0  -printf %s\\n )
>>>> gawk -v min=$1 'BEGIN { while ( getline <"/dev/stdin" ) if ( ++i && $0 <=
>>>> min ) print ARGV[i] ; exit }' "${@:2}" ; }
>>>>
>>>> minsize 2 *
>>>>
>>>> >>>
>>>>
>>>> 0
>>>> 1
>>>> 2
>>>>
>>>> On Wed, Mar 9, 2022 at 6:10 PM Peng Yu <pengyu.ut@gmail.com> wrote:
>>>> >
>>>> >
>>>> https://stackoverflow.com/questions/5920333/how-can-i-check-the-size-of-a-file-using-bash
>>>> >
>>>> > I see things like the above that call an external program or cat all
>>>> > the file content to check the size of a file.
>>>> >
>>>> > But if my goal is just to know whether the file size is greater than a
>>>> > smaller (say 40). What is the most efficient way to do so in bash?
>>>> >
>>>> > --
>>>> > Regards,
>>>> > Peng
>>>>
>>>


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