lang_usage_check.sh

#!/bin/bash
# A quick script to check language usage in phpBB extension
# Author: Stanislav Atanasov (lucifer@anavar.com
# Script provided as is!


VARIABLES=( "$@" )

LANG_FILE=''
TARGET_EXT=''
FULL=0

count=0
while [ "x${VARIABLES[count]}" != x ]; do
    if [[ ${VARIABLES[count]} == "-l" ]] || [[ ${VARIABLES[count]} == "--language" ]]; then
        count=$(( $count + 1 ))
        LANG_FILE=${VARIABLES[count]}
        count=$(( $count + 1))
    elif [[ ${VARIABLES[count]} == "-t" ]] || [[ ${VARIABLES[count]} == "--target" ]]; then
        count=$(( $count + 1 ))
        TARGET_EXT=${VARIABLES[count]}
        count=$(( $count + 1))
    elif [[ ${VARIABLES[count]} == "-f" ]] || [[ ${VARIABLES[count]} == "--full" ]]; then
        count=$(( $count + 1 ))
        FULL=1
    fi
done


if [[ ! $LANG_FILE ]] || [[ ! $TARGET_EXT ]]; then
    printf "Usage:
 -l, --language {TARGET}        - Select desired language file
 -t, --target {EXT}             - Select the target extension directory
 -f                             - Show full report where the language variables are used
WARNING: The script will use the target for building the report and will skip language folder \n"


elif [[ ! -e $LANG_FILE ]]; then
    printf "Language file $LANG_FILE doesn't exist. Please check again!\n"

elif [[ ! -d $TARGET_EXT ]]; then
    printf "Extension $TARGET_EXT doesn't exist. Please check again!\n"
else
   while read -r line || [[ -n "$line" ]]; do
       fstr=`echo $line| cut -c1`
       if [[ $fstr ]] && [[ $fstr == *"'"* ]]; then
           str=`echo $line | awk '{print $1}'`
           if [[ $FULL == 1 ]]; then
               echo $str
               grep -Rni --exclude-dir=language "$str" $TARGET_EXT
           else
               count=`grep -Rni --exclude-dir=language "$str" $TARGET_EXT | wc -l`
               echo "$str -> $(($count))"
           fi
       fi
   done < "$LANG_FILE"
fi