read a file and assign value to variables from the content

Hi

I have a file in unix named a.lst
the contents of file are (5 words seperated by a space)

-> cat a.lst
first second third fourth fifth
->


Now I want to declare five variables in a shell script and I want to
have this

a=first
b=second
c=third
d=fourth
e=fifth

Re: read a file and assign value to variables from the content

schrieb im Newsbeitrag
news:1190821246.291715.81600@k79g2000hse.googlegroups.com...
> Hi
>
> I have a file in unix named a.lst
> the contents of file are (5 words seperated by a space)
>
> -> cat a.lst
> first second third fourth fifth
> ->
>
>
> Now I want to declare five variables in a shell script and I want to
> have this
>
> a=first
> b=second
> c=third
> d=fourth
> e=fifth
read a b c d e
Bye, Jojo

Re: read a file and assign value to variables from the content

On Sep 26, 10:46 am, "Joachim Schmitz" digital.de> wrote:
> schrieb im Newsbeitragnews:1190821246.291715.81600@k79g2000hse.googlegr oups.com...
>
>
>
> > Hi
>
> > I have a file in unix named a.lst
> > the contents of file are (5 words seperated by a space)
>
> > -> cat a.lst
> > first second third fourth fifth
> > ->
>
> > Now I want to declare five variables in a shell script and I want to
> > have this
>
> > a=first
> > b=second
> > c=third
> > d=fourth
> > e=fifth
>
> read a b c d e >
> Bye, Jojo- Hide quoted text -
>
> - Show quoted text -



Thanks a lot for reply.
I have another problem now.

I have a file with multiple lines

-> cat a.lst
first second third fourth fifth
sixth seventh eigth ninth tenth
->

Now I want to call the variables in a loop to get

a=first
b=second
c=third
d=fourth
e=fifth


then in second loop I want
a=sixth
b=seventh
c=eigth
d=ninth
e=tenth

:(


please help

Re: read a file and assign value to variables from the content

schrieb im Newsbeitrag
news:1190825329.939614.126340@57g2000hsv.googlegroups.com...
> On Sep 26, 10:46 am, "Joachim Schmitz" > digital.de> wrote:
>> schrieb im
>> Newsbeitragnews:1190821246.291715.81600@k79g2000hse.googlegr oups.com...
>>
>>
>>
>> > Hi
>>
>> > I have a file in unix named a.lst
>> > the contents of file are (5 words seperated by a space)
>>
>> > -> cat a.lst
>> > first second third fourth fifth
>> > ->
>>
>> > Now I want to declare five variables in a shell script and I want to
>> > have this
>>
>> > a=first
>> > b=second
>> > c=third
>> > d=fourth
>> > e=fifth
>>
>> read a b c d e >>
>> Bye, Jojo- Hide quoted text -
>>
>> - Show quoted text -
>
>
>
> Thanks a lot for reply.
> I have another problem now.
>
> I have a file with multiple lines
>
> -> cat a.lst
> first second third fourth fifth
> sixth seventh eigth ninth tenth
> ->
>
> Now I want to call the variables in a loop to get
>
> a=first
> b=second
> c=third
> d=fourth
> e=fifth
>
>
> then in second loop I want
> a=sixth
> b=seventh
> c=eigth
> d=ninth
> e=tenth
>
> :(
>
>
> please help
while read a b c d e < a.lst
do
echo $a $b $c $d $e
done

Re: read a file and assign value to variables from the content

On Sep 26, 11:55 am, "Joachim Schmitz" digital.de> wrote:
> schrieb im Newsbeitragnews:1190825329.939614.126340@57g2000hsv.googlegr oups.com...
>
>
>
> > On Sep 26, 10:46 am, "Joachim Schmitz" > > digital.de> wrote:
> >> schrieb im
> >> Newsbeitragnews:1190821246.291715.81600@k79g2000hse.googlegr oups.com...
>
> >> > Hi
>
> >> > I have a file in unix named a.lst
> >> > the contents of file are (5 words seperated by a space)
>
> >> > -> cat a.lst
> >> > first second third fourth fifth
> >> > ->
>
> >> > Now I want to declare five variables in a shell script and I want to
> >> > have this
>
> >> > a=first
> >> > b=second
> >> > c=third
> >> > d=fourth
> >> > e=fifth
>
> >> read a b c d e >
> >> Bye, Jojo- Hide quoted text -
>
> >> - Show quoted text -
>
> > Thanks a lot for reply.
> > I have another problem now.
>
> > I have a file with multiple lines
>
> > -> cat a.lst
> > first second third fourth fifth
> > sixth seventh eigth ninth tenth
> > ->
>
> > Now I want to call the variables in a loop to get
>
> > a=first
> > b=second
> > c=third
> > d=fourth
> > e=fifth
>
> > then in second loop I want
> > a=sixth
> > b=seventh
> > c=eigth
> > d=ninth
> > e=tenth
>
> > :(
>
> > please help
>
> while read a b c d e < a.lst
> do
> echo $a $b $c $d $e
> done- Hide quoted text -
>
> - Show quoted text -



This goes to infinite loop

first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth
first second third fourth fifth

Re: read a file and assign value to variables from the content

rohitsagar@yahoo.com wrote:
> Joachim Schmitz wrote:
>> rohitsagar@yahoo.com schrieb
>>
>> while read a b c d e < a.lst
>> do
>> echo $a $b $c $d $e
>> done- Hide quoted text -
>
> This goes to infinite loop

while read a b c d e
do
echo $a $b $c $d $e
done < a.lst

--
Best regards | "The only way to really learn scripting is to write
Cyrus | scripts." -- Advanced Bash-Scripting Guide

Re: read a file and assign value to variables from the content

schrieb im Newsbeitrag
news:1190826947.806792.167600@22g2000hsm.googlegroups.com...
> On Sep 26, 11:55 am, "Joachim Schmitz" > digital.de> wrote:
>> schrieb im
>> Newsbeitragnews:1190825329.939614.126340@57g2000hsv.googlegr oups.com...
>>
>>
>>
>> > On Sep 26, 10:46 am, "Joachim Schmitz" >> > digital.de> wrote:
>> >> schrieb im
>> >> Newsbeitragnews:1190821246.291715.81600@k79g2000hse.googlegr oups.com...
>>
>> >> > Hi
>>
>> >> > I have a file in unix named a.lst
>> >> > the contents of file are (5 words seperated by a space)
>>
>> >> > -> cat a.lst
>> >> > first second third fourth fifth
>> >> > ->
>>
>> >> > Now I want to declare five variables in a shell script and I want to
>> >> > have this
>>
>> >> > a=first
>> >> > b=second
>> >> > c=third
>> >> > d=fourth
>> >> > e=fifth
>>
>> >> read a b c d e >>
>> >> Bye, Jojo- Hide quoted text -
>>
>> >> - Show quoted text -
>>
>> > Thanks a lot for reply.
>> > I have another problem now.
>>
>> > I have a file with multiple lines
>>
>> > -> cat a.lst
>> > first second third fourth fifth
>> > sixth seventh eigth ninth tenth
>> > ->
>>
>> > Now I want to call the variables in a loop to get
>>
>> > a=first
>> > b=second
>> > c=third
>> > d=fourth
>> > e=fifth
>>
>> > then in second loop I want
>> > a=sixth
>> > b=seventh
>> > c=eigth
>> > d=ninth
>> > e=tenth
>>
>> > :(
>>
>> > please help
>>
>> while read a b c d e < a.lst
>> do
>> echo $a $b $c $d $e
>> done- Hide quoted text -
>>
>> - Show quoted text -
>
>
>
> This goes to infinite loop
>
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
> first second third fourth fifth
Oops,I've tried to avoid cat, apparently without luck...
try this:

cat a.lst|while read a b c d e
do
echo $a $b $c $d $e
done



Bye, Jojo

Re: read a file and assign value to variables from the content

"Cyrus Kriticos" schrieb im Newsbeitrag
news:5lvkleFanr46U1@mid.individual.net...
> rohitsagar@yahoo.com wrote:
>> Joachim Schmitz wrote:
>>> rohitsagar@yahoo.com schrieb
>>>
>>> while read a b c d e < a.lst
>>> do
>>> echo $a $b $c $d $e
>>> done- Hide quoted text -
>>
>> This goes to infinite loop
>
> while read a b c d e
> do
> echo $a $b $c $d $e
> done < a.lst
Ah, yes, that's what I intended, thanks...

Bye, Jojo

Re: read a file and assign value to variables from the content

rohitsagar@yahoo.com wrote:
>
> Thanks a lot for reply.
> I have another problem now.
>
> I have a file with multiple lines
>
> -> cat a.lst
> first second third fourth fifth
> sixth seventh eigth ninth tenth
> ->
>
> Now I want to call the variables in a loop to get
>
> a=first
> b=second
> c=third
> d=fourth
> e=fifth
>
> then in second loop I want
> a=sixth
> b=seventh
> c=eigth
> d=ninth
> e=tenth

$ echo "first second third fourth fifth
sixth seventh eigth ninth tenth
" | perl -lane'$x = "a"; print $x++, "=$_" for @F'
a=first
b=second
c=third
d=fourth
e=fifth
a=sixth
b=seventh
c=eigth
d=ninth
e=tenth




John
--
Perl isn't a toolbox, but a small machine shop where you
can special-order certain sorts of tools at low cost and
in short order. -- Larry Wall

Re: read a file and assign value to variables from the content

Thanks to all.