Mercurial > repos > jjohnson > regex_find_replace
diff regex_tabular.xml @ 0:9ea374bb0350 draft default tip
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author | jjohnson |
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date | Sat, 29 Mar 2014 13:41:51 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/regex_tabular.xml Sat Mar 29 13:41:51 2014 -0400 @@ -0,0 +1,112 @@ +<tool id="regexColumn1" name="Column Regex Find And Replace" version="0.1.0"> + <description></description> + <command interpreter="python">regex.py --input $input --output $out_file1 --column $field + #for $check in $checks: + --pattern='$check.pattern' --replacement='$check.replacement' + #end for + </command> + <inputs> + <param format="tabular" name="input" type="data" label="Select cells from"/> + <param name="field" label="using column" type="data_column" data_ref="input" /> + <repeat name="checks" title="Check"> + <param name="pattern" size="40" type="text" value="chr([0-9A-Za-z])+" label="Find Regex" help="here you can enter text or regular expression (for syntax check lower part of this frame)"> + <sanitizer> + <valid> + <add preset="string.printable"/> + <remove value="\" /> + <remove value="'" /> + </valid> + <mapping initial="none"> + <add source="\" target="__backslash__" /> + <add source="'" target="__sq__"/> + </mapping> + </sanitizer> + </param> + <param name="replacement" size="40" type="text" value="newchr\1" label="Replacement"> + <sanitizer> + <valid> + <add preset="string.printable"/> + <remove value="\" /> + <remove value="'" /> + </valid> + <mapping initial="none"> + <add source="\" target="__backslash__" /> + <add source="'" target="__sq__"/> + </mapping> + </sanitizer> + </param> + </repeat> + </inputs> + <outputs> + <data format="input" name="out_file1" metadata_source="input" /> + </outputs> + <tests> + <test> + <param name="input" value="find_tabular_1.txt" ftype="tabular" /> + <param name="field" value="1" /> + <param name="pattern" value="moo"/> + <param name="replacement" value="cow" /> + <output name="out_file1" file="replace_tabular_1.txt"/> + </test> + </tests> + <help> + +.. class:: warningmark + +**This tool will attempt to reuse the metadata from your first input.** To change metadata assignments click on the "edit attributes" link of the history item generated by this tool. + +.. class:: infomark + +**TIP:** If your data is not TAB delimited, use *Text Manipulation->Convert* + +----- + +This tool goes line by line through the specified input file and +if the text in the selected column matches a specified regular expression pattern +replaces the text with the corresponding specified replacement. + +This tool can be used to change between the chromosome naming conventions of UCSC and Ensembl. + +For example to remove the **chr** part of the reference sequence name in the first column of this GFF file:: + + ##gff-version 2 + ##Date: Thu Mar 23 11:21:17 2006 + ##bed2gff.pl $Rev: 601 $ + ##Input file: ./database/files/61c6c604e0ef50b280e2fd9f1aa7da61.dat + chr1 bed2gff CCDS1000.1_cds_0_0_chr1_148325916_f 148325916 148325975 . + . score "0"; + chr21 bed2gff CCDS13614.1_cds_0_0_chr21_32707033_f 32707033 32707192 . + . score "0"; + chrX bed2gff CCDS14606.1_cds_0_0_chrX_122745048_f 122745048 122745924 . + . score "0"; + +Setting:: + + using column: c1 + Find Regex: chr([0-9]+|X|Y|M[Tt]?) + Replacement: \1 + +produces:: + + ##gff-version 2 + ##Date: Thu Mar 23 11:21:17 2006 + ##bed2gff.pl $Rev: 601 $ + ##Input file: ./database/files/61c6c604e0ef50b280e2fd9f1aa7da61.dat + 1 bed2gff CCDS1000.1_cds_0_0_chr1_148325916_f 148325916 148325975 . + . score "0"; + 21 bed2gff CCDS13614.1_cds_0_0_chr21_32707033_f 32707033 32707192 . + . score "0"; + X bed2gff CCDS14606.1_cds_0_0_chrX_122745048_f 122745048 122745924 . + . score "0"; + + +This tool uses Python regular expressions with the **re.sub()** function. +More information about Python regular expressions can be found here: +http://docs.python.org/library/re.html. + +The regex **chr([0-9]+|X|Y|M)** means start with text **chr** followed by either: one or more digits, or the letter X, or the letter Y, or the letter M (optionally followed by a single letter T or t). +Note that the parentheses **()** capture patterns in the text that can be used in the replacement text by using a backslash-number reference: **\\1** + + + +Galaxy aggressively escapes input supplied to tools, so if something +is not working please let us know and we can look into whether this is +the cause. Also if you would like help constructing regular +expressions for your inputs, please let us know at help@msi.umn.edu. + +</help> +</tool>