In [1]:

    

sh:
echo I am in directory `pwd`
echo I am the second line


    

    




I am in directory /Users/bpeng1/sos/development/examples
I am the second line

In [2]:

    

sh('''\
echo I am in directory `pwd`
echo I am the second line
''')


    

    




I am in directory /Users/bpeng1/sos/development/examples
I am the second line

In [3]:

    

sh:
echo I am in directory `pwd`
echo I am the second line
python:
print('This is Python')


    

    




I am in directory /Users/bpeng1/sos/development/examples
I am the second line
This is Python

In [4]:

    

sh:
  echo I am in directory `pwd`
  echo I am the second line
python:
  print('This is Python')


    

    




I am in directory /Users/bpeng1/sos/development/examples
I am the second line
This is Python

In [5]:

    

sh: workdir='..'
  echo I am in directory `pwd`
  echo I am the second line


    

    




I am in directory /Users/bpeng1/sos/development
I am the second line

In [6]:

    

number = 6
sh:
  echo I see number {number}


    

    




I see number {number}

In [7]:

    

number = 6
sh: expand=True
  echo I see number {number**2}


    

    




I see number 36

In [8]:

    

sh(f'''
  echo I see number {number**2}
''')


    

    




I see number 36

In [9]:

    

number = 6
R: expand=True
   if ({number} > 1) {{
       cat("The number {number} is greater than 1\n")
   }}


    

    




The number 6 is greater than 1

In [10]:

    

number = 6
R: expand='${ }'
   if (${number} > 1) {
       cat("The number {number} is greater than 1\n")
   }


    

    




The number {number} is greater than 1

In [ ]: