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SortSam (Picard)

This tool sorts the input SAM or BAM file by coordinate, queryname (QNAME), or some other property of the SAM record. The SortOrder of a SAM/BAM file is found in the SAM file header tag @HD in the field labeled SO.

For a coordinate sorted SAM/BAM file, read alignments are sorted first by the reference sequence name (RNAME) field using the reference sequence dictionary (@SQ tag). Alignments within these subgroups are secondarily sorted using the left-most mapping position of the read (POS). Subsequent to this sorting scheme, alignments are listed arbitrarily.

For queryname-sorted alignments, all alignments are grouped using the queryname field but the alignments are not necessarily sorted within these groups. Reads having the same queryname are derived from the same template.



Usage example:

java -jar picard.jar SortSam \
I=input.bam \
O=sorted.bam \
SORT_ORDER=coordinate

Category Read Data Manipulation


Overview

Sorts a SAM or BAM file.

Summary

This tool sorts the input SAM or BAM file by coordinate, queryname (QNAME), or some other property of the SAM record. The SortOrder of a SAM/BAM file is found in the SAM file header tag labeled SO.

For a coordinate sorted SAM/BAM file, read alignments are sorted first by the reference sequence name (RNAME) field using the reference sequence dictionary tag labeled SQ. Alignments within these subgroups are secondarily sorted using the left-most mapping position of the read (POS). Subsequent to this sorting scheme, alignments are listed arbitrarily.

For queryname-sorted alignments, all alignments are grouped using the queryname field but the alignments are not necessarily sorted within these groups. Reads having the same queryname are derived from the same template.

Inputs

  • Input BAM or SAM file to sort
  • Sorted BAM or SAM output file
  • Sort order of output file

Usage example:

     java -jar picard.jar SortSam \
     INPUT=input.bam \
     OUTPUT=sorted.bam \
     SORT_ORDER=coordinate
 

SortSam (Picard) specific arguments

This table summarizes the command-line arguments that are specific to this tool. For more details on each argument, see the list further down below the table or click on an argument name to jump directly to that entry in the list.

Argument name(s) Default value Summary
Required Arguments
--INPUT
 -I
null Input BAM or SAM file to sort.
--OUTPUT
 -O
null Sorted BAM or SAM output file.
--SORT_ORDER
 -SO
null Sort order of output file.
Optional Tool Arguments
--arguments_file
[] read one or more arguments files and add them to the command line
--help
 -h
false display the help message
--version
false display the version number for this tool
Optional Common Arguments
--COMPRESSION_LEVEL
5 Compression level for all compressed files created (e.g. BAM and VCF).
--CREATE_INDEX
false Whether to create a BAM index when writing a coordinate-sorted BAM file.
--CREATE_MD5_FILE
false Whether to create an MD5 digest for any BAM or FASTQ files created.
--GA4GH_CLIENT_SECRETS
client_secrets.json Google Genomics API client_secrets.json file path.
--MAX_RECORDS_IN_RAM
500000 When writing files that need to be sorted, this will specify the number of records stored in RAM before spilling to disk. Increasing this number reduces the number of file handles needed to sort the file, and increases the amount of RAM needed.
--QUIET
false Whether to suppress job-summary info on System.err.
--REFERENCE_SEQUENCE
 -R
null Reference sequence file.
--TMP_DIR
[] One or more directories with space available to be used by this program for temporary storage of working files
--USE_JDK_DEFLATER
 -use_jdk_deflater
false Use the JDK Deflater instead of the Intel Deflater for writing compressed output
--USE_JDK_INFLATER
 -use_jdk_inflater
false Use the JDK Inflater instead of the Intel Inflater for reading compressed input
--VALIDATION_STRINGENCY
STRICT Validation stringency for all SAM files read by this program. Setting stringency to SILENT can improve performance when processing a BAM file in which variable-length data (read, qualities, tags) do not otherwise need to be decoded.
--VERBOSITY
INFO Control verbosity of logging.
Advanced Arguments
--showHidden
false display hidden arguments

Argument details

Arguments in this list are specific to this tool. Keep in mind that other arguments are available that are shared with other tools (e.g. command-line GATK arguments); see Inherited arguments above.


--arguments_file / NA

read one or more arguments files and add them to the command line

List[File]  []


--COMPRESSION_LEVEL / NA

Compression level for all compressed files created (e.g. BAM and VCF).

int  5  [ [ -∞  ∞ ] ]


--CREATE_INDEX / NA

Whether to create a BAM index when writing a coordinate-sorted BAM file.

Boolean  false


--CREATE_MD5_FILE / NA

Whether to create an MD5 digest for any BAM or FASTQ files created.

boolean  false


--GA4GH_CLIENT_SECRETS / NA

Google Genomics API client_secrets.json file path.

String  client_secrets.json


--help / -h

display the help message

boolean  false


--INPUT / -I

Input BAM or SAM file to sort.

R File  null


--MAX_RECORDS_IN_RAM / NA

When writing files that need to be sorted, this will specify the number of records stored in RAM before spilling to disk. Increasing this number reduces the number of file handles needed to sort the file, and increases the amount of RAM needed.

Integer  500000  [ [ -∞  ∞ ] ]


--OUTPUT / -O

Sorted BAM or SAM output file.

R File  null


--QUIET / NA

Whether to suppress job-summary info on System.err.

Boolean  false


--REFERENCE_SEQUENCE / -R

Reference sequence file.

File  null


--showHidden / -showHidden

display hidden arguments

boolean  false


--SORT_ORDER / -SO

Sort order of output file.

The --SORT_ORDER argument is an enumerated type (SortOrder), which can have one of the following values:

queryname
coordinate
duplicate

R SortOrder  null


--TMP_DIR / NA

One or more directories with space available to be used by this program for temporary storage of working files

List[File]  []


--USE_JDK_DEFLATER / -use_jdk_deflater

Use the JDK Deflater instead of the Intel Deflater for writing compressed output

Boolean  false


--USE_JDK_INFLATER / -use_jdk_inflater

Use the JDK Inflater instead of the Intel Inflater for reading compressed input

Boolean  false


--VALIDATION_STRINGENCY / NA

Validation stringency for all SAM files read by this program. Setting stringency to SILENT can improve performance when processing a BAM file in which variable-length data (read, qualities, tags) do not otherwise need to be decoded.

The --VALIDATION_STRINGENCY argument is an enumerated type (ValidationStringency), which can have one of the following values:

STRICT
LENIENT
SILENT

ValidationStringency  STRICT


--VERBOSITY / NA

Control verbosity of logging.

The --VERBOSITY argument is an enumerated type (LogLevel), which can have one of the following values:

ERROR
WARNING
INFO
DEBUG

LogLevel  INFO


--version / NA

display the version number for this tool

boolean  false


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GATK version 4.0.3.0 built at 09-43-2018 09:43:10.