ag:tldr:8e025

ag: Find files containing "FOO" case-insensitively, and print only the match, rather than the whole line.

$ ag -i -o ${FOO}

try on your machine

The command "ag -i -o ${FOO}" is using the "ag" command with specific options and a variable.

Here's a breakdown of the command:

"ag": This is the command being used. "ag" stands for "The Silver Searcher," which is a tool for searching files and directories for specific patterns or text.
"-i": This option is used to make the search case-insensitive. It means that the search will match words regardless of their case (e.g., "foo," "Foo," and "FOO" will all be considered matches).
"-o": This option is used to only print the matching part of the line instead of the whole line. It means that only the specific parts that match the search pattern will be shown in the output.
"${FOO}": This is a variable (in shell script syntax) named "FOO" being used with the "$" symbol for interpolation. The value of the variable will be inserted into the command at runtime. The exact value of "FOO" is not specified in the command and needs to be defined before executing the command.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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