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Variable substitution with arrays
09-14-2017
typeset array[animals]="dog cat horse penguin cow"
typeset array[fruits]="orange apple grapes peach mango"
typeset array[drinks]="juice milk coffee tea coke"
typeset array[cities]="toronto paris london glasgow sydney"
typeset array[countries]="canada france england scotland australia"
all=(animals fruits drinks cities countries)
typeset -i i=1
typeset -i j=1
printf 'Output 1\n\n';
# display column-wise
for i in 1 2 3 4 5; do
for j in animals fruits drinks cities countries; do
echo "${array[${j}]}" | cut -d' ' -f $i
done
done
printf '\n\nOutput 2\n\n';
# display column-wise
for i in 1 2 3 4 5; do
for j in "${all[@]}" ; do
echo "${array[${j}]}" | cut -d' ' -f $i
done
doneabc@xyz$ ./typeset.sh Output 1 canada canada canada canada canada france france france france france england england england england england scotland scotland scotland scotland scotland australia australia australia australia australia Output 2 canada canada canada canada canada france france france france france england england england england england scotland scotland scotland scotland scotland australia australia australia australia australia
typeset array['animals']="dog cat horse penguin cow"
typeset array['fruits']="orange apple grapes peach mango"
typeset array['drinks']="juice milk coffee tea coke"
typeset array['cities']="toronto paris london glasgow sydney"
typeset array['countries']="canada france england scotland australia"
all=('animals' 'fruits' 'drinks' 'cities' 'countries')typeset array[1]="dog cat horse penguin cow"
typeset array[2]="orange apple grapes peach mango"
typeset array[3]="juice milk coffee tea coke"
typeset array[4]="toronto paris london glasgow sydney"
typeset array[5]="canada france england scotland australia"
all=(1 2 3 4 5)
# display column-wise
for i in 1 2 3 4 5; do
for j in "${all[@]}"; do
echo "${array[$j]}" | cut -d' ' -f $i
done
done
abc@xyz$ ./typeset.sh
dog
orange
juice
toronto
canada
cat
apple
milk
paris
france
horse
grapes
coffee
london
england
penguin
peach
tea
glasgow
scotland
cow
mango
coke
sydney
australia
09-15-2017
09-15-2017
09-23-2017
typeset -A arr=(
[animals]="dog cat horse penguin cow"
[fruits]="orange apple grapes peach mango"
[drinks]="juice milk coffee tea coke"
[cities]="toronto paris london glasgow sydney"
[countries]="canada france england scotland australia"
)
declare all=(animals fruits drinks cities countries)
j=0
k=2
for i in ${!arr[@]}
do
TMP=(${arr[$i]})
echo ${all[j]} " -> " ${TMP[k]}
(( j++ ))
done
abc@xyz$ ./loop.sh animals -> coffee fruits -> grapes drinks -> london cities -> horse countries -> england
abc@xyz./loop.sh animals -> tea fruits -> peach drinks -> glasgow cities -> penguin countries -> scotland
#! /bin/bash
typeset -i animals=1
typeset -i fruits=2
typeset -i drinks=3
typeset -i cities=4
typeset -i countries=5
typeset all=($animals $fruits $drinks $cities $countries)
typeset arr[$animals]="dog cat horse penguin cow"
typeset arr[$fruits]="orange apple grapes peach mango"
typeset arr[$drinks]="juice milk coffee tea coke"
typeset arr[$cities]="toronto paris london glasgow sydney"
typeset arr[$countries]="canada france england scotland australia"
for j in {1..5} ; do
for i in ${all[@]} ; do
echo ${i}:${j} $(echo ${arr[$i]} | cut -d' ' -f$j)
done
done
printf "\n";
printf "Customized\n";
printf "\n";
y=2
z=`expr $y + 1`
for i in ${all[@]} ; do
echo ${i}:$y $(echo ${arr[$i]} | cut -d' ' -f$z)
done
exit 0
abc@xyz./loop2.sh
1:1 dog
2:1 orange
3:1 juice
4:1 toronto
5:1 canada
1:2 cat
2:2 apple
3:2 milk
4:2 paris
5:2 france
1:3 horse
2:3 grapes
3:3 coffee
4:3 london
5:3 england
1:4 penguin
2:4 peach
3:4 tea
4:4 glasgow
5:4 scotland
1:5 cow
2:5 mango
3:5 coke
4:5 sydney
5:5 australia
Customized
1:2 horse
2:2 grapes
3:2 coffee
4:2 london
5:2 englandAs much as I hate to say it: ever since version 4 (which the OP seems to run), bash HAS associative arrays:
typeset -A arr=(
[animals]="dog cat horse penguin cow"
[fruits]="orange apple grapes peach mango"
[drinks]="juice milk coffee tea coke"
[cities]="toronto paris london glasgow sydney"
[countries]="canada france england scotland australia"
)
declare all=(animals fruits drinks cities countries)
j=0
k=4
for i in ${all[@]}
do
TMP=(${arr[$i]})
echo ${all[j]} " -> " ${TMP[k]}
(( j++ ))
done
abc@xyz$ ./loop.sh
animals -> cow
fruits -> mango
drinks -> coke
cities -> sydney
countries -> australia|
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