python vs bash

imiell@basquiat $  cat a.sh 
#!/bin/bash
for i in {1..100000}
do
        VAR='HEADERMy voice is my passwordFOOTER'
        PASS=${VAR#HEADER}
        PASS=${PASS%FOOTER}
done

imiell@basquiat $  cat a.py 
for i in range(100000):
        var = 'HEADERMy voice is my passwordFOOTER'
        password = var.lstrip('HEADER')
        password = password.rstrip('FOOTER')


imiell@basquiat $ time ./a.sh

real	0m2.442s
user	0m2.395s
sys	0m0.026s


imiell@basquiat $ time python a.py 

real	0m0.104s
user	0m0.085s
sys	0m0.010s




imiell@basquiat $  cat a.sh 
#!/bin/bash
for i in {1..1000}
do
        VAR='HEADERMy voice is my passwordFOOTER'
        PASS=${VAR#HEADER}
        PASS=${PASS%FOOTER}
done

imiell@basquiat $  cat a.py 
for i in range(1000):
        var = 'HEADERMy voice is my passwordFOOTER'
        password = var.lstrip('HEADER')
        password = password.rstrip('FOOTER')

imiell@basquiat $  time ./a.sh

real    0m0.035s
user    0m0.034s
sys     0m0.001s

imiell@basquiat $  time python a.py 

real    0m0.029s
user    0m0.016s
sys     0m0.013s

Except that the startup time of python makes a difference here - have updated the gist to reflect the fact that bash is slower after all.