Add .gitignore

.gitignore

+a.out
+longest
+mywc

testers/test-longest

+#!/bin/bash
+
 COMPILE_CMD='clang -g -o longest longest.c'
 STUDENT_CMD='./longest $@'
 REF_CMD='cat $@ | sed "s/ /\n/g" | sort | uniq | awk "{print length, \$0}" | sort -nr | head -n 1 | sed -e "s/.* //"'
@@ -23,7 +25,7 @@ function test() {
     diff <(eval $REF_CMD) .output;
     diff_ret=$?
     if [ $diff_ret -eq 0 ] && [ $leak -eq 0 ] && [ $valgrind_error -ne 101 ]; then
-        echo "$1: Passed"; 
+        echo "$1: Passed";
     elif [ $valgrind_error -eq 101 ]; then
         echo "$1: Execution Error"
     elif [ $diff_ret -ne  0 ]; then

testers/test-wc

+#!/bin/bash
+
 COMPILE_CMD='clang -g -o mywc wc.c'
 STUDENT_CMD='./mywc $@'
 REF_CMD='wc -l $@ 2>&1'
@@ -22,7 +24,7 @@ function test() {
     diff <(eval $REF_CMD) .output;
     diff_ret=$?
     if [ $diff_ret -eq 0 ] && [ $leak -eq 0 ] && [ $valgrind_error -ne 101 ]; then
-        echo "$1: Passed"; 
+        echo "$1: Passed";
     elif [ $valgrind_error -eq 101 ]; then
         echo "$1: Execution Error"
     elif [ $diff_ret -ne  0 ]; then