Re: [OT] Scripting question: the length limit of a list?
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Mike Bird wrote:
> On Thursday 01 November 2007 13:07, Wei Chen wrote:
>> I would like to write a bash script like the following one:
>>
>> for i in `some program that outputs a word list`
>> do
>> echo $i
>> done
>>
>> where the word list can be very very long. I wonder what is the upper bound
>> limit of the length of word lists in "for" loop of a bash script, or
>> does it only
>> depend on the hardware (say, RAM)? Thank you in advance.
>
> Assuming that the words are output one per line, something
> like the following can handle lists of any size:
>
> some program | while read i; do echo $i; done
>
Thanks for all the replies. I think the method of piping ``while read''
can be a good replacement. I have changed my script accordingly. Thank you.
- --
Cheers,
Wei Chen
http://www.acplex.com/people/wchen/
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