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pdfgrep:tldr:708c9
The given command is using the "pdfgrep" tool to search for a specific pattern in a PDF file.
Here is a breakdown of the command:
pdfgrep: This is the name of the command-line tool being used.
--max-count ${3}: This option limits the output to a maximum of ${3} matches. The value of ${3} is expected to be provided by the user as an argument when executing the command.
--ignore-case: This option tells pdfgrep to perform a case-insensitive search, meaning it will match patterns regardless of the letter case.
${'^foo'}: This is a regular expression pattern that is being searched in the PDF file. '^foo' represents a string that starts with "foo". The "${}" syntax suggests that the value is expected to be provided as an argument.
${file-pdf}: This refers to the PDF file in which the search will be performed. Similar to ${3}, it indicates that the file name is expected to be provided as an argument.
In summary, the command searches for the pattern '^foo' in the specified PDF file, performing a case-insensitive search, and limits the output to a maximum of ${3} matches.