opentabs.sh

#!/bin/bash
#
# opentabs.sh
#
# specific use: read a list of URLs from file and open in browser
#
# general use: run a console command many times with parameters read form a text file
#
# $ bash opentabs $filename $start $end
#
# example use: $ bash opentabs hrefs.txt 20 30


filename="$1"
LINE_START=$2
LINE_END=$3

#test parameter filename
if [ -e $filename ]
then
    echo "reading file: $filename"
else
    echo "invalid arguments";
    exit;
fi

#test parameter start line
if [ $LINE_START -gt 0 ] && [ $LINE_END -gt $LINE_START ]
then
    echo "reading lines: $LINE_START -> $LINE_END"
else
    echo "invalid arguments";
    exit;
fi

n=0

(cat $filename; echo) | while read line; do

    n=$((n+1))

    if [ $n -ge $LINE_START ]
    then
        echo "$n $line"
        if [ $PSVersionTable ] || [ $OSTYPE == 'msys' ]
        then
            # Windows detencion, either POWERSHELL or GIT BASH
            chrome.exe $line
        else
            exo-open --launch WebBrowser $line
        fi
    fi

    if [ $n -ge $LINE_END ]
    then
        exit
    fi

done