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4
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1 <tool id="tp_tac" name="tac" version="@BASE_VERSION@.0">
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2 <description>reverse a file (reverse cat)</description>
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3 <macros>
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4 <import>macros.xml</import>
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5 </macros>
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6 <expand macro="requirements" />
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7 <version_command>tac --version | head -n 1</version_command>
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8 <command>
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9 <![CDATA[
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10 tac
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11 #if str($separator.separator_select) == "yes":
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12 $separator.before
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13 $separator.regex
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6
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14 #if $separator.separator_string:
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15 "$separator.separator_string"
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16 #end if
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4
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17 #end if
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6
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18 "$infile"
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19 > "$outfile"
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20 ]]>
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21 </command>
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22 <inputs>
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6
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23 <param name="infile" type="data" format="txt" label="Input file"/>
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4
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24 <conditional name="separator">
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25 <param name="separator_select" type="select" label="Do you want to use a separator other than newline?">
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6
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26 <option value="no">No</option>
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4
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27 <option value="yes">Yes</option>
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28 </param>
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29 <when value="no" />
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30 <when value="yes">
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31 <param name="before" type="boolean" truevalue="-b" falsevalue="" checked="True"
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32 label="Attach the separator before instead of after" help="(--before)"/>
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33 <param name="regex" type="boolean" truevalue="-r" falsevalue="" checked="True"
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34 label="Interpret the separator as a regular expression" help="(--regex)"/>
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35 <param name="separator_string" size="5" type="text" value=""
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36 label="Separator to use" help="(--separator)" />
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37 </when>
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38 </conditional>
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39 </inputs>
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40 <outputs>
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6
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41 <data name="outfile" format_source="infile" metadata_source="infile"/>
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4
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42 </outputs>
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43 <tests>
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44 <test>
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45 <param name="infile" value="1.bed"/>
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46 <output name="outfile" file="tac_result1.txt"/>
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47 </test>
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6
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48 <test>
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49 <param name="infile" value="1.bed"/>
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50 <param name="separator_select" value="yes"/>
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51 <param name="before" value="True"/>
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52 <output name="outfile" file="tac_result2.txt"/>
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53 </test>
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4
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54 </tests>
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55 <help>
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56 <![CDATA[
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57 **What it does**
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58
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59 tac is a Linux command that allows you to see a file line-by-line backwards. It is named by analogy with cat.
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60
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61 Mandatory arguments to long options are mandatory for short options too:
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62
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63 -b, --before attach the separator before instead of after
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64 -r, --regex interpret the separator as a regular expression
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65 -s, --separator=STRING use STRING as the separator instead of newline
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66
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67 -----
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68
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69 **Example**
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70
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71 Input file:
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72
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73 0 1 2 3 4 5 # 6 7 8 9
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74
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75
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76 default settings:
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77
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78 9 8 7 6 # 5 4 3 2 1 0
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79
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80 with option -s 5:
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81 # 6 7 8 9 0 1 2 3 4 5
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82
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83 with option -b and -s 5:
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84
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85 5 # 6 7 8 9 0 1 2 3 4
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86
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87 @REFERENCES@
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88 ]]>
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89 </help>
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90 </tool>
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