OT parsovani retezce v bash

[Tom Meinlschmidt]

jen pozor na ty mezery…

#!/usr/bin/env bash
text="jedna   dva tri  ctyri"

declare -a pole=($(echo "$text" | sed -e 's;[ ]{1,}; ;g'))
echo ${pole[0]}
echo ${#pole[@]}

> On Mar 24, 2018, at 20:32 , Admin HWnews <hwnews na cncnet.info> wrote:
> 
> Diky moc tohle je fakt nejjednodussi.
> 
> Dekuji, ale i vsem ostatnim.
> 
> RV
> 
> Dne 24.3.2018 v 20:13 Milan B. napsal(a):
>> Alebo bez read (ak by niekto namietal, ze read je externy program)
>> $ var="aaa bbb ccc ddd"
>> $ array=(${var})
>> $ echo ${array[0]}
>> aaa
>> $ echo ${array[1]}
>> bbb
>> On 24.03.2018 20:06, Milan B. wrote:
>>> 
>>> V bashi, bez volania kdejakych externych programov:
>>> 
>>> $ var="aaa bbb ccc ddd"
>>> $ read -a array <<< "${var}"
>>> $ echo ${array[0]}
>>> aaa
>>> $ echo ${array[1]}
>>> bbb
>>> $ echo ${array[2]}
>>> ccc
>>> $ echo ${array[3]}
>>> ddd
>>> $ echo ${array[4]}
>>> 
>>> A dlzka pola:
>>> 
>>> $ echo ${#array[@]}
>>> 4
>>> 
>>> 
>>> 
>>> On 24.03.2018 19:31, Admin HWnews wrote:
>>>> Zdravim,
>>>> 
>>>> poradite nejaky elegantni figl v bashi jak vybirat subretezce z radku?
>>>> 
>>>> mam v promenne nacteno neco takoveho:
>>>> 
>>>> par1<mezera>par2<mezera>par3....parn<CRLF>
>>>> 
>>>> potreboval bych ty jednotlive hodnoty priradit do promennych - nepotrebuji vsechny takze by bylo idelani neco kde bych jako parametr zadal kolikaty parametr se ma priradit
>>>> 
>>>> Samozrejme muzu na to neco otrockeho napsat, ale rad bych se naucili zase neco noeveho.
>>>> 
>>>> Diky.
>>>> 
>>>> RV
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>>> 
>>> 
>>> 
>>> 
>>> 
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-- 
===============================================================================
Tomas Meinlschmidt, MS {MCT, MCP+I, MCSE, AER}, NetApp Filer/NetCache

www.meinlschmidt.com  www.maxwellrender.cz 
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