When comparing GNU grep vs AstroGrep, the Slant community recommends AstroGrep for most people. In the question“What are the best grep implementations for Windows?” AstroGrep is ranked 3rd while GNU grep is ranked 6th. The most important reason people chose AstroGrep is:
AstroGrep is very fast, it works great and runs searches smoothly even on HDD, with the difference in speed between the former and SDD not very noticeable.
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Pros
Pro Great for people used to *NIX systems
Since it's pretty much the same grep used on UNIX systems, people who have used grep on any *NIX system will find themselves at home with the Windows version.
Pro It handles files of any size
At least in Linux.
Pro Very fast
AstroGrep is very fast, it works great and runs searches smoothly even on HDD, with the difference in speed between the former and SDD not very noticeable.
Pro Can search within word documents
Comes with a plugin to search within word documents.
Pro Allows adding exclusions for files and folders
Exclusions are flexible from file extensions to folder names or paths.
Pro Can be configured to load text editor on specific line and column
This works double-clicking on the file results or in the preview section.
For Notepad++:Command line: -n%2 -c%3 %1
Use quotes around file: checked
Pro Shows more than the line search
AstroGrep can show more than just the line search, for example the --context=NUM
of a command-line GREP.
Pro Small .exe
Pro Supports exporting results
You can export the results from a search into a text file.
Pro Portable
Can be zipped and uploaded to a USB and then unzipped when needed.
Cons
Con Cannot handle files
When searching through files with 10MB or more it starts having issues and even crashes depending on the file size and the machine it's running on.
Con Cannot search in PDF
Does not support searching in PDF files.