Bash command line help scripts
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sh templating


Put the shtpl script somewhere meant for executable scripts like ~/bin/shtpl. Make it executable: chmod +x shtpl.


Create a template file to be executed with shtpl:

nano someTpl.shtpl
Hello $WHO !
chmod +x someTpl.shtpl
WHO=Doctor someTpl.shtpl
> Hello Doctor !

Templating syntax

shtpl uses a hack to turn you file into a call of echo "<your file here>", so it is simple, all what your system is able to understand as substitution is valid !

Simple variable: $ENV_VAR , and with brackets: ${TOTO}cm²

Sub commands: $(echo ok)

Prompt user input in place: $(read -r -p Type\ some\ text\ : v;echo $v)

Loops: $(
for ((i=0 ; $MAX_LOOP - $i ; i++))
	echo $i

Call sub templates: $(VAR_TO_PASS=$SOME_VAR ./myOtherTemplate.shtpl)