bash - How to replace ${} placeholders in a text file? -


i want pipe output of "template" file mysql, file having variables ${dbname} interspersed. command line utility replace these instances , dump output standard output?

sed!

given template.txt:

 number ${i} word ${word}

we have say:

sed -e "s/\${i}/1/" -e "s/\${word}/dog/" template.txt

thanks jonathan leffler tip pass multiple -e arguments same sed invocation.


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