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1 <tool id="sed_stream_editor" name="Manipulation" version="0.0.1">
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2 <description>of text lines with regular expressions (sed)</description>
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3 <command>sed -r '$pattern' $input > $outfile</command>
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4 <inputs>
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5 <param format="txt, tabular" name="input" type="data" label="Replace lines from"/>
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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!)" />
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7 </inputs>
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8 <outputs>
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9 <data format="input" name="outfile" metadata_source="input"/>
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10 </outputs>
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11 <options sanitize="False"/>
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12 <requirements>
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13 <requirement type="binary">sed</requirement>
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14 </requirements>
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15 <tests>
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16
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17 </tests>
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18 <help>
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19
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20 .. class:: warningmark
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21
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22 Use with caution! Its a plain wrapper around **sed** and the input is not sanitized.
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23
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24
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25 -----
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26
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27 **What it does**
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28
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29 Changes every line of a text file according to a given regular expression.
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30
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31 -----
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32
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33 **Syntax**
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34
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35 Use the **sed**-syntax -> **s/find-pattern/replace-pattern/**
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36
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37 **Example**
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38
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39 - **s/x/-/** Replace all **x** with **-**.
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40
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41 - **s/_.*//** Splits a string after **_** and replaces the rest with nothing.
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42 - **s/[^_]*_*//** Splits a string after **_** and replaces the first part with nothing.
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43
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44 - **s/\\s.*//** Splits a string after whitespaces and replaces the rest with nothing.
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45 - **s/\\S*\\s*//** Splits a string after whitespaces and replaces the first part with nothing.
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46
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47
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48 </help>
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49 </tool>
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