64 bit float and integer reading in linux

[tadzil]

As there is inaccuracy in reading float values, I'm using some bash commands to get right value in different byte orders and endiannesses. Maybe someone else will find this usefull:

#32 bit float: #BIG Endian /usr/local/bin/mbpoll -t4:hex -c2 -0 -B -1 -q -r 10 127.0.0.1 -p 1502 | awk 'FNR >= 2 {print $2}' | awk '{sub(/^0x/,""); print}' | tr -d "\n" | python3 -c 'import struct; print(struct.unpack("!f", bytes.fromhex(input()))[0])'

#LITTLE Endian /usr/local/bin/mbpoll -t4:hex -c2 -0 -B -1 -q -r 10 127.0.0.1 -p 1502 | awk 'FNR >= 2 {print $2}' | awk '{sub(/^0x/,""); print}' | fold -w2 | tac | tr -d "\n" | python3 -c 'import struct; print(struct.unpack("!f", bytes.fromhex(input()))[0])'

#BIG Endian BYTE Swapped /usr/local/bin/mbpoll -t4:hex -c2 -0 -B -1 -q -r 10 127.0.0.1 -p 1502 | awk 'FNR >= 2 {print $2}' | awk '{sub(/^0x/,""); print}' | fold -w4 | tac | fold -w2 | tac | tr -d "\n" | python3 -c 'import struct; print(struct.unpack("!f", bytes.fromhex(input()))[0])'

#LITTLE Endian BYTE Swapped /usr/local/bin/mbpoll -t4:hex -c2 -0 -B -1 -q -r 10 127.0.0.1 -p 1502 | awk 'FNR >= 2 {print $2}' | awk '{sub(/^0x/,""); print}' | fold -w4 | tac | tr -d "\n" | python3 -c 'import struct; print(struct.unpack("!f", bytes.fromhex(input()))[0])'

#64 bit float: #BIG Endian /usr/local/bin/mbpoll -t4:hex -c4 -0 -B -1 -q -r 10 127.0.0.1 -p 1502 | awk 'FNR >= 2 {print $2}' | awk '{sub(/^0x/,""); print}' | tr -d "\n" | python3 -c 'import struct; print(struct.unpack("!d", bytes.fromhex(input()))[0])'

#LITTLE Endian /usr/local/bin/mbpoll -t4:hex -c4 -0 -B -1 -q -r 10 127.0.0.1 -p 1502 | awk 'FNR >= 2 {print $2}' | awk '{sub(/^0x/,""); print}' | fold -w2 | tac | tr -d "\n" | python3 -c 'import struct; print(struct.unpack("!d", bytes.fromhex(input()))[0])'

#BIG Endian BYTE Swapped /usr/local/bin/mbpoll -t4:hex -c4 -0 -B -1 -q -r 10 127.0.0.1 -p 1502 | awk 'FNR >= 2 {print $2}' | awk '{sub(/^0x/,""); print}' | fold -w4 | tac | fold -w2 | tac | tr -d "\n" | python3 -c 'import struct; print(struct.unpack("!d", bytes.fromhex(input()))[0])'

#LITTLE Endian BYTE Swapped /usr/local/bin/mbpoll -t4:hex -c4 -0 -B -1 -q -r 10 127.0.0.1 -p 1502 | awk 'FNR >= 2 {print $2}' | awk '{sub(/^0x/,""); print}' | fold -w4 | tac | tr -d "\n" | python3 -c 'import struct; print(struct.unpack("!d", bytes.fromhex(input()))[0])'

---

##32 bit integer: #commands are the same, as for 32 bit float, except: #for signed 32bit integer, use "l" in python unpack format - "...struct.unpack("!l",..."; #for unsigned 32bit integer, use "L" in python unpack format - "...struct.unpack("!L",...".

##64 bit integer: #commands are the same, as for 64 bit float, except: #for signed 64bit integer, use "q" in python unpack format - "...struct.unpack("!q",..."; #for unsigned 64bit integer, use "Q" in python unpack format - "...struct.unpack("!Q",...".

mbpoll_32_64bit_tests.txt