query: Variable substitution from/to file
positive_passages.docid: 58441
positive_passages.text: Replace environment variables in a file with their actual values?
negative_passages.docid: 20731
negative_passages.text: Can command substitution be nested in variable substitution?
negative_passages.docid: 60829
negative_passages.text: Double and triple substitution in bash and zsh
negative_passages.docid: 144660
negative_passages.text: Bash nested command substitution not working
negative_passages.docid: 54909
negative_passages.text: Substitute pattern within a file with the content of other file
negative_passages.docid: 111004
negative_passages.text: Indirectly expand variables in shell
negative_passages.docid: 92716
negative_passages.text: How to make a variable from a subshell available in the parent shell
negative_passages.docid: 70005
negative_passages.text: Substitute ./ and ../ directories by actual names
negative_passages.docid: 110967
negative_passages.text: how to grep a variable name
negative_passages.docid: 157196
negative_passages.text: Parsing variables from config file in Bash
negative_passages.docid: 11922
negative_passages.text: How to export variables from a file?
negative_passages.docid: 105351
negative_passages.text: how to write variables value with file_put_contents()?
negative_passages.docid: 146634
negative_passages.text: Using an shell glob (wildcard (*)) after a double quoted variable expansion
negative_passages.docid: 85355
negative_passages.text: Why does BASH process substitution not work with some commands?
negative_passages.docid: 121256
negative_passages.text: What is ./ in BASH
negative_passages.docid: 158457
negative_passages.text: Using | pipe character from a $variable makes it treat as just another argument in bash; how to escape it?
negative_passages.docid: 119933
negative_passages.text: Can I use a variable in a Bash brace expansion?