Mettre à jour 'shtpl/README.md'
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@ -17,14 +17,35 @@ nano someTpl.shtpl
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#!/path/to/shtpl
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Hello $WHO !
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```
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Make the template executable:
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```
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chmod +x someTpl.shtpl
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WHO=Doctor someTpl.shtpl
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```
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... and execute it with some environment variables:
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```
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WHO=Doctor ./someTpl.shtpl
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```
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```
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> Hello Doctor !
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```
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In case of many variable you can write 1 var on each line, but for bash to understand you have to escape the newlines and keep 1 space before:
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```
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VAR1=foo \
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VAR2=bar \
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VAR3=baz \
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VAR4=aze \
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./someTpl.shtpl
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```
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To save the result simply redirect to sdtout to a file:
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```
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WHO=Doctor ./someTpl.shtpl > doctorGreetings.txt
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```
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## Templating syntax
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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 !
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@ -40,9 +61,28 @@ Prompt user input in place: $(read -r -p Type\ some\ text\ : v;echo $v)
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Loops: $(
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for ((i=0 ; $MAX_LOOP - $i ; i++))
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do
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echo $i
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echo "[$i]"
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done
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)
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Call sub templates: $(VAR_TO_PASS=$SOME_VAR ./myOtherTemplate.shtpl)
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```
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```
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ENV_VAR=foo \
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TOTO=42 \
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MAX_LOOP=10 \
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SOME_VAR=aze \
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./someTpl.shtpl
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```
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Returns:
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```
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Simple variable: foo , and with brackets: 42cm²
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Sub commands: ok
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Prompt user input in place: your input
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Loops: [0][1][2][3][4][5][6][7][8][9][10]
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Call sub templates: what the template returns with "aze"
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```
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