tool.sh latest

#!/bin/bash

#an den exei parametrous, ektupwse to am
if [ $# -eq 0 ]; then
    echo '1058123-'
    exit
fi

#an dwthei prwta -f kai meta -id
if [ "$1" = "-f" -a "$3" = "-id" ]; then
    file="$2"
    id="$4"

#tupwnei ta pediaonoma,eponumo,imerominia genisis, tou id pou dothtike, diaxorismena me ena keno metaksu tous
    awk 'BEGIN{FS="|"; OFS;} $1=='$id' {print $2,$3,$5}' $file

#an dwthei prwta -id kai meta -f
elif [ "$1" = "-id" -a "$3" = "-f" ]
then
    file="$4"
    id="$2"

#tupwnei ta pediaonoma,eponumo,imerominia genisis, tou id pou dothtike, diaxorismena me ena keno metaksu tous
awk 'BEGIN{FS="|"; OFS;} $1=='$id' {print $2,$3,$5}' $file
elif [ "$1" = "-f" -a "$3" = "" ]
then
    file="$2"
    cat $file | egrep -v "^#.*"
    exit
fi

options=$(getopt -o f: --long firstnames,lastnames,socialmedia,born-since:,born-until: -- "$@")
eval set -- "$options"

# thetw metavlites bornsince kai bornuntil 0 gia na diksw oti den exoun dwthei kai na ginei argotera epilogi
bornsince=0
bornuntil=0
while true; do
    case "$1" in
    -f ) #an arxika dwthei -f

# apothikevei to onoma tou arxeiou sti metavliti file
        file=$2
        shift 2
        ;;

#an dwthei --firstnames
    --firstnames )

# apothikeuei ti zitithike
        operation=fnames # apothikeuei ti zitithike
        shift;

        ;;
#an dwthei --lastnames
    --lastnames )

# apothikeuei ti zitithike
        operation=lnames # apothikeuei ti zitithike
        shift;
        ;;
    --socialmedia )
        ;;
    --born-since )
        operation=born
        bornsince=$2
        shift 2
        ;;
    --born-until )
        echo lel
        operation=born
        bornuntil=$2
        shift 2
        ;;
    -- ) shift; break;;
    * ) break;;
    esac
done

case "$operation" in

# an eixe zitithei firstnames
    fnames)

#ektupwnei ta firstnames alfavitika
    awk 'BEGIN{FS="|"} /^[^#]/ {print $3|"sort -u"}' $file
    ;;

# an eixe zitithei lastnames
    lnames)

#ektupwnei ta lastnames alfavitika
    awk 'BEGIN{FS="|"} /^[^#]/ {print $2|"sort -u"}' $file
    ;;

# an eixe zitithei kapoia imerominia
    born)

# an exei dwthei mono born-until (to bornsince tha einai 0 giati den dwthike)
    if (( "$bornsince"==0 ))
    then

# ektupwse ola ta stoixeia twn atomwn me imerominia genisis<bornuntil
        awk -v bornuntil="$bornuntil" 'BEGIN{FS="|"} /^[^#]/ && $5<=bornuntil { print $0 }' $file

#an exei dwthei mono born-since (to bornuntil tha einai 0 giati den dwthike)
    elif (( "$bornuntil"==0 ))
    then

# ektupwse ola ta stoixeia twn atomwn me imerominia genisis>bornsince
        awk -v bornsince="$bornsince" 'BEGIN{FS="|"} /^[^#]/ && $5>=bornsince { print $0 }' $file

#an exoun dwthei kai bornsince kai bornuntil
    else

# ektupwse ta stoixeia twn atomwn me bornsince<imerominia genisis< bornuntil
        awk -v bornsince="$bornsince" -v bornuntil="$bornuntil" 'BEGIN{FS="|"} $5>=bornsince && $5<=bornuntil { print $0 }' $file
    fi
    ;;
esac