Tag Archives: script

Check for new versions of Firefox, Thunderbird 

#!/bin/bash 
 
function checkVersion() { 
        V1=$(echo $1 | tr -d [:alpha:])
        V2=$(echo $2 | tr -d [:alpha:])
        MAJ1=$(echo $V1 | cut -d. -f1) 
        MIN1=$(echo $V1 | cut -d. -f2) 
        REV1=$(echo $V1 | cut -d. -f3) 
 
        MAJ2=$(echo $V2 | cut -d. -f1) 
        MIN2=$(echo $V2 | cut -d. -f2) 
        REV2=$(echo $V2 | cut -d. -f3) 
 
        if [[ $MAJ1 -lt $MAJ2 ]] ; then 
                return 1; 
        fi 
 
        if [[ $MAJ1 -eq $MAJ2 ]] ; then 
                if [[ -n "$MIN2" ]] ; then 
                        if [[ -n "$MIN1" ]] ; then 
                                if [[ $MIN1 -lt $MIN2 ]] ; then 
                                        return 1; 
                                fi 
 
                                if [[ $MIN1 -eq $MIN2 ]] ; then 
                                        if [[ -n "$REV2" ]] ; then 
                                                if [[ -n "$REV1" ]] ; then 
                                                        if [[ $REV1 -lt $REV2 ]] ; then 
                                                                return 1; 
                                                        fi 
                                                else 
                                                        return 1; 
                                                fi 
                                        fi 
                                fi 
                        else 
                                return 1; 
                        fi 
                fi 
        fi 
 
        return 0; 
} 
 
# Check Thunderbird 
TB=$(curl -s https://ftp.mozilla.org/pub/thunderbird/releases/ | sed -n "s/^\s\+<td><a href=\".*\">\(.*\)\/<\/a><\/td>$/\1/gp" | sort -g | egrep -iv "b|esr" | tail -n 1 ) 
TBL=$(thunderbird -v | sed -n "s/^\s*Thunderbird\s*\(.*\)$/\1/gp") 
 
checkVersion $TBL $TB 
if [[ $? -eq 1 ]] ; then 
        echo "Update Thunderbird ($TBL -> $TB)" 
fi 
 
# Check Firefox 
TB=$(curl -s https://ftp.mozilla.org/pub/firefox/releases/ | sed -n "s/^\s\+<td><a href=\".*\">\(.*\)\/<\/a><\/td>$/\1/gp" | sort -g | egrep -iv "b|esr" | tail -n 1 ) 
TBL=$(firefox -v | sed -n "s/^.*Firefox\s*\(.*\)$/\1/gp") 
 
checkVersion $TBL $TB 
if [[ $? -eq 1 ]] ; then 
        echo "Update Firefox ($TBL -> $TB)" 
fi

Settings in about:config for built-in update check:

  • app.update.interval
  • app.update.url
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