2022-12-01 22:25:47 +00:00
|
|
|
#!/usr/bin/env bash
|
|
|
|
|
|
|
|
# Unofficial Bash Strict Mode
|
|
|
|
set -euo pipefail
|
|
|
|
IFS='
|
|
|
|
'
|
|
|
|
|
2022-12-07 13:59:33 +00:00
|
|
|
FILENAME="student/head-and-tail.sh"
|
2022-12-01 22:25:47 +00:00
|
|
|
|
2022-12-07 13:59:33 +00:00
|
|
|
# True if FILE exists and is a regular file
|
|
|
|
if [ -f ${FILENAME} ]; then
|
|
|
|
# FILE exists and it's not empty
|
|
|
|
if [ -s ${FILENAME} ]; then
|
|
|
|
if [[ $(cat $FILENAME | grep echo | wc -l) -ne 0 ]]; then
|
|
|
|
echo "echo is not allowed in this exercise!";
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
submitted=$(bash $FILENAME)
|
|
|
|
expected=$(bash solutions/head-and-tail.sh)
|
|
|
|
diff <(echo "$submitted") <(echo "$expected")
|
|
|
|
else
|
|
|
|
echo "The file exist but is empty"
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
echo "File does not exist"
|
|
|
|
exit 1
|
|
|
|
fi
|