query: Variable expansion succeeds with echo but fails without a command (execution by expansion)
positive_passages.docid: 5980
positive_passages.text: Why doesn't the tilde (~) expand inside double quotes?
negative_passages.docid: 85355
negative_passages.text: Why does BASH process substitution not work with some commands?
negative_passages.docid: 139670
negative_passages.text: Why won't this command work?
negative_passages.docid: 119933
negative_passages.text: Can I use a variable in a Bash brace expansion?
negative_passages.docid: 45330
negative_passages.text: Variable not expanding inside another variable bash
negative_passages.docid: 90270
negative_passages.text: Makefile, sqare brackets built-in, variable expansion and command substitution
negative_passages.docid: 102224
negative_passages.text: Does variable=$(...) store the command or the result of the command in POSIX sh
negative_passages.docid: 89588
negative_passages.text: Why do I need to quote variable for if, but not for echo?
negative_passages.docid: 130753
negative_passages.text: Why does this echo call overwrite existing text?
negative_passages.docid: 111004
negative_passages.text: Indirectly expand variables in shell
negative_passages.docid: 86391
negative_passages.text: Why are non-environment variables passed to the subshell invoqued by command substitution?
negative_passages.docid: 136528
negative_passages.text: Echo newline in Bash prints literal \n
negative_passages.docid: 11087
negative_passages.text: How can I echo a newline in a batch file?
negative_passages.docid: 150258
negative_passages.text: Why does an inline variable definition work but a previous line does not for an aws command?
negative_passages.docid: 146357
negative_passages.text: Can I echo a variable with single quotes?
negative_passages.docid: 9467
negative_passages.text: How can we run a command stored in a variable?
negative_passages.docid: 144660
negative_passages.text: Bash nested command substitution not working