Re: scripting - cat breaking line

On 6/24/07, Matus UHLAR - fantomas <uhlar@fantomas.sk> wrote:
>
> On 23.06.07 14:23, L.V.Gandhi wrote:
> > Subject: scripting - cat breaking line
>
> > I have a file temp1 as below
> > lvgandhi@lvgvaio:~/stock$ cat temp1
> > ABB,ABB LTD., 4730.00, 4779.00, 4700.00, 4726.45
> ,59655
> > ACC,ACC LIMITED, 860.00, 864.90, 844.30, 852.25
> > ,228318
> > When I run on command line as
> > lvgandhi@lvgvaio:~/stock$ for line in $(cat temp1);do echo
> > "20070622,$line">>temp2 ;done
>
> it's not "cat" who is breaking lines. This script will fetch content of
> "temp1" file to the script, and bash splits fields by any whitespace
> charactes, including spaces and tabs, so the "echo" command is calles for
> every "word" in a file and echo puts newline at the end of output line by
> default.

Thanks for the explanation.

> I get temp2 as
> > lvgandhi@lvgvaio:~/stock$ cat temp2
> > 20070622,ABB,ABB
>
> > line is breaking at every space.
> > How to avoid this?
>
> either change IFS only to contain newline, or forget using $(cat ...) and
> use different cycle:
>
> while read line
> do
> echo "20070622,$line"
> done < temp1 > temp2
>
> (or >>temp2 if you want to append to the "temp2" file)
>
> Thanks for the solution. Simpler one was given by Tong.
sed 's/^/20070622,/' temp1 >> temp2

-- 
L.V.Gandhi
http://lvgandhi.tripod.com/
linux user No.205042



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