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Shell Programming and Scripting

sed magic!

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# 8  
Old 08-25-2008
Quote:
Originally Posted by aigles
All the work can be do with a single awk command :
Code:
> cat vibra0.sh
beg=2
end=4
tran="$(awk 'NR==b,NR==e { print NR, $0 "XPTO" }' b=${beg} e=${end} vibra0.dat)"
echo "${tran}"
> cat vibra0.dat
line a
line b
line c
line d
line e
line f
> vibra0.sh
2 line bXPTO
3 line cXPTO
4 line dXPTO
>

Jean-Pierre.
each one are more fast? both are similar, right?
thanks anyway, but i wanna put two points, like:
2: line bXPTO
3: line cXPTO
4: line dXPTO

and i never find a easy way to do it with awk. and i'm also more uncomfortable with it...
# 9  
Old 08-25-2008
Quote:
Originally Posted by vibra
each one are more fast? both are similar, right?
thanks anyway, but i wanna put two points, like:
2: line bXPTO
3: line cXPTO
4: line dXPTO

and i never find a easy way to do it with awk. and i'm also more uncomfortable with it...
Adding ':'
Code:
beg=2
end=4
tran="$(awk 'NR==b,NR==e { print NR ": " $0 "XPTO" }' b=${beg} e=${end} vibra0.dat)"
echo "${tran}"

Jean-Pierre.
# 10  
Old 08-25-2008
Quote:
Originally Posted by aigles
Adding ':'
Code:
beg=2
end=4
tran="$(awk 'NR==b,NR==e { print NR ": " $0 "XPTO" }' b=${beg} e=${end} vibra0.dat)"
echo "${tran}"

Jean-Pierre.
thanks. i will switch for this approach... looks more light and clean SmilieSmilie
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