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  1. Prepare
  2. Linux Shell
  3. Arrays in Bash
  4. Filter an Array with Patterns
  5. Discussions

Filter an Array with Patterns

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162 Discussions

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  • Adavidguevara1
     + 0 comments
    #!/bin/bash

declare -a countries
i=0
while IFS= read -r line 
do  
    countries[$i]=$line 
    ((i++))
done

result=$(printf "%s\n" "${countries[@]}" | grep -vi "a")

if [[ -z "$result" ]]
then
    echo ""
else
    echo "$result"
fi

  • scarab_march6116
     + 0 comments

    readarray countries; echo ${countries[@]//*a*/}

  • asfalt_tilkisi65
     + 0 comments
    declare -a array=()

while read r; do
array=("${array[@]}" "$r") # add array
done

declare -a patter=(${array[@]/*a*/})
declare -a patter1=(${patter[@]/*A*/})
echo ${patter1[@]}

  • ajitshetty9900
     + 0 comments
    • readarray -t arr
    • printf "%s\n" "${arr[@]}" | awk '!/[aA]/'

  • kobagogoberidze1
     + 0 comments

    grep -vi '[a]' || echo