Shell Programming and Scripting

[[ ${line[0]} == "#" ]] && continue

#!/bin/bash

while read line
do
        [[ "$line" =~ "=" ]] && ptype="${line%% *}"

        fname="${line#*=}"

        for F in ${fname}
        do
                if [ "${ptype}" = "C" ]
                then
                        [[ "$F" =~ \.c$ ]] && c_F="${c_F} ${F}"
                fi

                if [ "${ptype}" = "perl" ]
                then
                        [[ "$F" =~ \.pl$ ]] && pl_F="${pl_F} ${F}"
                fi

                if [ "${ptype}" = "C++" ]
                then
                        [[ "$F" =~ \.cpp$ ]] && cpp_F="${cpp_F} ${F}"
                fi
        done

done < file

echo -e "C\t${c_F}"
echo -e "Perl\t${pl_F}"
echo -e "C++\t${cpp_F}"

C        test1.c test2.c test3.c test4.c test5.c
Perl     perl1.pl perl2.pl
C++      test1.cpp test2.cpp

        [[ "$line" =~ "=" ]] && ptype="${line%% *}"
(what the above line does)

        fname="${line#*=}"  (I think this will return the file extension)

        for F in ${fname}
        do
                if [ "${ptype}" = "C" ] 
                then
                        [[ "$F" =~ \.c$ ]] && c_F="${c_F} ${F}"
      ( No clue what the above line does)
                fi

[[ "$line" =~ "=" ]] && ptype="${line%% *}"

fname="${line#*=}"

[[ "$F" =~ \.c$ ]] && c_F="${c_F} ${F}"