version-check.sh

#!/bin/bash
# Simple script to list version numbers of critical development tools
export LC_ALL=C
bash --version | head -n1 | cut -d" " -f2-4
MYSH=$(readlink -f /bin/sh)
echo "/bin/sh -> $MYSH"
echo $MYSH | grep -q bash || echo "ERROR: /bin/sh does not point to bash"
unset MYSH

echo -n "Binutils: "
ld --version | head -n1 | cut -d" " -f3-
bison --version | head -n1

if [ -h /usr/bin/yacc ]; then
	echo "/usr/bin/yacc -> $(readlink -f /usr/bin/yacc)"
elif [ -x /usr/bin/yacc ]; then
	echo yacc is $(/usr/bin/yacc --version | head -n1)
else
	echo "yacc not found"
fi

echo -n "Coreutils: "
chown --version | head -n1 | cut -d")" -f2
diff --version | head -n1
find --version | head -n1
gawk --version | head -n1

if [ -h /usr/bin/awk ]; then
	echo "/usr/bin/awk -> $(readlink -f /usr/bin/awk)"
elif [ -x /usr/bin/awk ]; then
	echo awk is $(/usr/bin/awk --version | head -n1)
else
	echo "awk not found"
fi

gcc --version | head -n1
g++ --version | head -n1
grep --version | head -n1
gzip --version | head -n1
cat /proc/version
m4 --version | head -n1
make --version | head -n1
patch --version | head -n1
echo Perl $(perl -V:version)
python3 --version
sed --version | head -n1
tar --version | head -n1
makeinfo --version | head -n1 # texinfo version
xz --version | head -n1

echo 'int main(){}' >dummy.c && g++ -o dummy dummy.c
if [ -x dummy ]; then
	echo "g++ compilation OK"
else echo "g++ compilation failed"; fi
rm -f dummy.c dummy