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Overview
| Comment: | Added a spec reference to POSIX grep, and fixed a typo. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
9fc411ab58e4dac411315c5d5828599e |
| User & Date: | wyoung 2018-10-03 21:11:58 |
Context
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2018-10-03
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| 21:25 | Listed the actual differences between fossil grep options and those defined by POSIX in www/grep.md. (check-in: d5499091 user: wyoung tags: trunk) | |
| 21:11 | Added a spec reference to POSIX grep, and fixed a typo. (check-in: 9fc411ab user: wyoung tags: trunk) | |
| 20:20 | Expanded a few of the sections in the new www/grep.md doc (check-in: f984d331 user: wyoung tags: trunk) | |
Changes
Changes to www/grep.md.
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# Fossil grep vs POSIX grep As of Fossil 2.7, there is a `grep` command which acts roughly like POSIX's `grep -E` over all historical versions of a single file name. This document explains the commonalities and divergences between POSIX `grep` and Fossil `grep`. ## Options Fossil `grep` supports only a small subset of the options specified for POSIX `grep`: ................................................................................ | `-v` | print each checkin ID considered, regardless of whether it matches No equivalent of other POSIX `grep` options currently exist. Note in partcicular that there is no equivalent of `grep -R`, either implicitly or explicitly. Fossil `grep` currently accepts only a single input file name. You cannot give it a list of file names, and you cannot give it a a directory name for Fossil to expand to the set of all files under that directory. Patches to remove those limitations will be thoughtfully considered. ## Regular Expression Dialect |
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# Fossil grep vs POSIX grep As of Fossil 2.7, there is a `grep` command which acts roughly like POSIX's `grep -E` over all historical versions of a single file name. This document explains the commonalities and divergences between [POSIX `grep`](http://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html) and Fossil `grep`. ## Options Fossil `grep` supports only a small subset of the options specified for POSIX `grep`: ................................................................................ | `-v` | print each checkin ID considered, regardless of whether it matches No equivalent of other POSIX `grep` options currently exist. Note in partcicular that there is no equivalent of `grep -R`, either implicitly or explicitly. Fossil `grep` currently accepts only a single input file name. You cannot give it a list of file names, and you cannot give it a directory name for Fossil to expand to the set of all files under that directory. Patches to remove those limitations will be thoughtfully considered. ## Regular Expression Dialect |