h5tospec: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/h5tospec - from package: python-sardana

You may install the required package with command apt-get install {package}

Error in other languages:
h5tospec: bevel nie gevind nie
h5tospec: comandă negăsită
h5tospec: comando não encontrado
h5tospec: commande introuvable
h5tospec: command not found
h5tospec: käsku ei ole
h5tospec: không tìm thấy lệnh
h5tospec: komanda nerasta
h5tospec: Kommando nicht gefunden.
h5tospec: kommandot finns inte
h5tospec: komut yok
h5tospec: nie znaleziono polecenia
h5tospec: níor aimsíodh an t-ordú
h5tospec: no se encontró la orden
h5tospec: no s'ha trobat l'ordre
h5tospec: opdracht niet gevonden
h5tospec: parancs nem található
h5tospec: perintah tidak ditemukan
h5tospec: príkaz nenájdený
h5tospec: příkaz nenalezen
h5tospec: команда не найдена
h5tospec: командата не е открита
h5tospec: 命令找不到
h5tospec: コマンドが見つかりません