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@@ -224,7 +224,6 @@ function print_results()
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### START EXECUTION
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### START EXECUTION
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_PROCESS_ID=$$ #save the process ID of the current shell
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_PROCESS_ID=$$ #save the process ID of the current shell
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trap handle_sigint SIGINT #set up a trap for SIGINT
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if [ $# -le 0 ] && [ -t 0 ]; then #if the number of arguments is less than or equal to 0 and we don't have a redirection.
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if [ $# -le 0 ] && [ -t 0 ]; then #if the number of arguments is less than or equal to 0 and we don't have a redirection.
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error_msg $0 "Nothing has been passed to analyze"
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error_msg $0 "Nothing has been passed to analyze"
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@@ -249,18 +248,19 @@ fi
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if ! [ -t 0 ]; then #checks if the descriptor is opened with a redirection, regardless of type of redirection used.
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if ! [ -t 0 ]; then #checks if the descriptor is opened with a redirection, regardless of type of redirection used.
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if [ -p /dev/stdin ]; then #checks if there is a pipe redirection. Redirection from a command and not from a file.
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if [ -p /dev/stdin ]; then #checks if there is a pipe redirection. Redirection from a command and not from a file.
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if [[ $_PROBE_FLAG == 'true' ]]; then #checks if we want to process a data stream (from tcpdump).
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if [[ $_PROBE_FLAG == 'true' ]]; then #checks if we want to process a data stream (from tcpdump).
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trap handle_sigint SIGINT #set up a trap for SIGINT
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lock_print=$(mktemp) #creates a unique temporary file name in /tmp/ folder.
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lock_print=$(mktemp) #creates a unique temporary file name in /tmp/ folder.
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_FILE_REF="$_FILE3_TMP"
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_FILE_REF="$_FILE3_TMP"
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sleep 2 #waiting to have something to analyze
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sleep 2 #waiting to have something to analyze
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echo -ne "\033[2J\033[H"
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echo -ne "\033[2J\033[H" #The "\033[2J" sequence clear the terminal screen, the "\033[H" sequence moves the cursor to the top left corner of the screen.
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while true
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while true
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do
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do
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filtering_away > $lock_print
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filtering_away > $lock_print
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check_ret filtering_away $?
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check_ret filtering_away $?
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print_results >> $lock_print
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print_results >> $lock_print
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check_ret print_results $?
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check_ret print_results $?
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echo -e "\033[2J\033[H"
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echo -e "\033[2J\033[H" #The "\033[2J" sequence clear the terminal screen, the "\033[H" sequence moves the cursor to the top left corner of the screen.
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echo "$(cat $lock_print)"
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echo "$(cat $lock_print)" #The "$()" syntax is used to execute the command inside the parentheses and return the result as a string (used to handle print cases TO REVIEW)
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done
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done
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else
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else
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_FILE_REF=$(mktemp) #creates a unique temporary file name in /tmp/ folder.
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_FILE_REF=$(mktemp) #creates a unique temporary file name in /tmp/ folder.
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