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documenting some limitations #11

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documenting some limitations #11

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f2e60f0
Update README.md
vielmetti Jan 24, 2013
90e3d2f
Create longline.txt
vielmetti Jan 24, 2013
f5e936e
Add line length warning in comments,
vielmetti Jan 24, 2013
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8 changes: 7 additions & 1 deletion README.md
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# replace
`replace` is a command line utility for performing search-and-replace on files. It's similar to sed but there are a few differences:
`replace` is a command line utility for performing in place search-and-replace on files. It's similar to sed but there are a few differences:

* Modifies files when matches are found
* Recursive search on directories with -r
Expand Down Expand Up @@ -78,7 +78,13 @@ By default, `replace` and `search` will exclude files (binaries, images, etc) th
### On huge directories
If `replace` is taking too long on a large directory, try turning on the quiet flag with `-q`, only including the necessary file types with `--include` or limiting the lines shown in a preview with `-n`.

## Limitations

### Line length
By default, `replace` works on files with lines of 400 characters or less. If you need to work on long lines, gnu `sed` supports unlimited line length.

### Symbolic links
By default, `replace` does not traverse symbolic links for files in directories.
## What it looks like
![replace](http://i.imgur.com/qmJjS.png)

1 change: 1 addition & 0 deletions replace.js
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Expand Up @@ -10,6 +10,7 @@ module.exports = function(opts) {
replaceFunc,
lineCount = 0,
limit = 400, // chars per line
// XXX The posix standard specifies that conforming sed implementations shall support at least 8192 byte line lengths.
options;

options = opts;
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19 changes: 19 additions & 0 deletions test/a/longline.txt
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This file has several long lines.
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bytes from 8.8.8.8: icmp_seq=4760 ttl=47 time=36.730 ms 64 bytes from 8.8.8.8: icmp_seq=4760 ttl=47 time=36.730 ms