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comparison sed.xml @ 0:e850a63e5aed

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author bjoern-gruening
date Thu, 15 Mar 2012 04:53:54 -0400
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1 <tool id="sed_stream_editor" name="Manipulation" version="0.0.1">
2 <description>of text lines with regular expressions (sed)</description>
3 <command>sed -r '$pattern' $input > $outfile</command>
4 <inputs>
5 <param format="txt, tabular" name="input" type="data" label="Replace lines from"/>
6 <param name="pattern" size="40" type="text" value="" label="the pattern" help="here you can enter your sed expression (No syntax check or sanitising!)" />
7 </inputs>
8 <outputs>
9 <data format="input" name="outfile" metadata_source="input"/>
10 </outputs>
11 <options sanitize="False"/>
12 <requirements>
13 <requirement type="binary">sed</requirement>
14 </requirements>
15 <tests>
16
17 </tests>
18 <help>
19
20 .. class:: warningmark
21
22 Use with caution! Its a plain wrapper around **sed** and the input is not sanitized.
23
24
25 -----
26
27 **What it does**
28
29 Changes every line of a text file according to a given regular expression.
30
31 -----
32
33 **Syntax**
34
35 Use the **sed**-syntax -&gt; **s/find-pattern/replace-pattern/**
36
37 **Example**
38
39 - **s/x/-/** Replace all **x** with **-**.
40
41 - **s/_.*//** Splits a string after **_** and replaces the rest with nothing.
42 - **s/[^_]*_*//** Splits a string after **_** and replaces the first part with nothing.
43
44 - **s/\\s.*//** Splits a string after whitespaces and replaces the rest with nothing.
45 - **s/\\S*\\s*//** Splits a string after whitespaces and replaces the first part with nothing.
46
47
48 </help>
49 </tool>