https://github.com/mmattozzi/grabngo
Convenient command line tool to repeatedly regex a value out of stdin and return it in a pleasant shape
https://github.com/mmattozzi/grabngo
Last synced: 2 months ago
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Convenient command line tool to repeatedly regex a value out of stdin and return it in a pleasant shape
- Host: GitHub
- URL: https://github.com/mmattozzi/grabngo
- Owner: mmattozzi
- License: isc
- Created: 2020-05-17T02:17:13.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2023-07-15T12:32:52.000Z (almost 2 years ago)
- Last Synced: 2025-01-28T18:46:11.860Z (4 months ago)
- Language: JavaScript
- Size: 14.6 KB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE.txt
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README
# grabngo
Convenient command line tool to repeatedly regex a value out of stdin and return it in a pleasant shape
```
Usage: grabngo.js [options]
Commands:
grabngo.js pattern Extract a pattern line by line and merge results
Options:
--version Show version number [boolean]
-d, --delimit Join the output with a specified delimiter
-q, --quote Join the output into a quoted list
-s, --sort Sort the results
-u, --unique Reduce results to a unique set
-g, --group Group number to extract, default: 1
-l, --newline End output with a newline
-t, --total Assume the extracting values are numbers and sum them together
-h, --help Show help [boolean]
--prefix Prefix in front of extracted value
--suffix Suffix after the extracted value
Examples:
grabngo.js (d{3}-d{3}-d{4}) -d , Extract phone numbers and join with commas
```
## Install
```
sudo npm install -g
```
## Examples
Imagine you have a source input such as:
```
$ cat /tmp/springfield.txt
Number Name/Address
(800) 555-0000 Moe Szyslak's "That's right. I'm a surgeon" Number
555-0001 C. Montgomery Burns
555-0078 Ruff-form Dog School
(636) 555-0113 C. Montgomery Burns
(939) 555-0113 742 Evergreen Terrace
555-1000 Sleep-Eazy Motel
555-1239 Moe's Tavern
555-1680 Marital Street Hotline
555-2253 Someone in Springfield Phone Book
555-2362 Cathy Neu
555-2362 Susan Newhall
555-2600 3rd, 4th, 5th Floor For Lease
555-2668 New York Parking Violation Bureau
555-2849 Canine Therapy Institute
555-3226 Mr. Plow
```
### Parse out phone numbers, one per line
```
$ cat /tmp/springfield.txt | grabngo '((\(\d{3}\)\s)?\d{3}-\d{4})'
(800) 555-0000
555-0001
555-0078
(636) 555-0113
(939) 555-0113
555-1000
555-1239
555-1680
555-2253
555-2362
555-2362
555-2600
555-2668
555-2849
555-3226
```
Notes:
* Any non-matching line is ignored
* You can use as many parenthesis as you need, but only the first is extracted
### Parse out phone numbers, comma separated
```
$ cat /tmp/springfield.txt | grabngo '((\(\d{3}\)\s)?\d{3}-\d{4})' -d ,
(800) 555-0000,555-0001,555-0078,(636) 555-0113,(939) 555-0113,555-1000,555-1239,555-1680,555-2253,555-2362,555-2362,555-2600,555-2668,555-2849,555-3226,
```
### Parse out phone numbers, quoted list
```
$ cat /tmp/springfield.txt | grabngo '((\(\d{3}\)\s)?\d{3}-\d{4})' -q
"(800) 555-0000", "555-0001", "555-0078", "(636) 555-0113", "(939) 555-0113", "555-1000", "555-1239", "555-1680", "555-2253", "555-2362", "555-2362", "555-2600", "555-2668", "555-2849", "555-3226",
```
Helpful if you need to drop this into a JSON array or many programming languages