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rush -- a cross-platform command-line tool for executing jobs in parallel

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rush is a tool similar to GNU parallel and gargs. rush borrows some idea from them and has some unique features, e.g., supporting custom defined variables, resuming multi-line commands, more advanced embeded replacement strings.

These features make rush suitable for easily and flexibly parallelizing complex workflows in fields like Bioinformatics (see examples 18).

Table of Contents

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Features

Major:

Minor:

Differences between rush and GNU parallel on GNU parallel site.

Performance

Performance of rush is similar to gargs, and they are both slightly faster than parallel (Perl) and both slower than Rust parallel (discussion).

Note that speed is not the #.1 target, especially for processes that last long.

Installation

rush is implemented in Go programming language, executable binary files for most popular operating systems are freely available in release page.

Method 1: Download binaries

rush v0.5.7 Github Releases (by Release)

Tip: run rush -V to check update !!!

OSArchFile, (中国镜像)Download Count
Linux32-bitrush_linux_386.tar.gz, (mirror)Github Releases (by Asset)
Linux64-bitrush_linux_amd64.tar.gz, (mirror)Github Releases (by Asset)
Linuxarm64rush_linux_arm64.tar.gz, (mirror)Github Releases (by Asset)
OS X64-bitrush_darwin_amd64.tar.gz, (mirror)Github Releases (by Asset)
OS Xarm64rush_darwin_arm64.tar.gz, (mirror)Github Releases (by Asset)
Windows32-bitrush_windows_386.exe.tar.gz, (mirror)Github Releases (by Asset)
Windows64-bitrush_windows_amd64.exe.tar.gz, (mirror)Github Releases (by Asset)

Just download compressed executable file of your operating system, and decompress it with tar -zxvf *.tar.gz command or other tools. And then:

  1. For Linux-like systems

    1. If you have root privilege simply copy it to /usr/local/bin:

       sudo cp rush /usr/local/bin/
      
    2. Or copy to anywhere in the environment variable PATH:

       mkdir -p $HOME/bin/; cp rush $HOME/bin/
      
  2. For windows, just copy rush.exe to C:\WINDOWS\system32.

Method 2: For Go developer

go install github.com/shenwei356/rush@latest

Method 3: Compiling from source

# download Go from https://go.dev/dl
wget https://go.dev/dl/go1.17.13.linux-amd64.tar.gz

tar -zxf go1.17.13.linux-amd64.tar.gz -C $HOME/

# or 
#   echo "export PATH=$PATH:$HOME/go/bin" >> ~/.bashrc
#   source ~/.bashrc
export PATH=$PATH:$HOME/go/bin

git clone https://github.com/shenwei356/rush
cd rush

go build

# or statically-linked binary
CGO_ENABLED=0 go build -tags netgo -ldflags '-w -s'

# or cross compile for other operating systems and architectures
CGO_ENABLED=0 GOOS=openbsd GOARCH=amd64 go build -tags netgo -ldflags '-w -s'

Usage

rush -- a cross-platform command-line tool for executing jobs in parallel

Version: 0.5.7

Author: Wei Shen <shenwei356@gmail.com>

Homepage: https://github.com/shenwei356/rush

Input:
  - Input could be a list of strings or numbers, e.g., file paths.
  - Input can be given either from the STDIN or file(s) via the option -i/--infile.
  - Some options could be used to defined how the input records are parsed:
    -d, --field-delimiter   field delimiter in records (default "\s+")
    -D, --record-delimiter  record delimiter (default "\n")
    -n, --nrecords          number of records sent to a command (default 1)
    -J, --records-join-sep  record separator for joining multi-records (default "\n")
    -T, --trim              trim white space (" \t\r\n") in input

Output:
  - Outputs of all commands are written to STDOUT by default,
    you can also use -o/--out-file to specify a output file.
  - Outputs of all commands are random, you can use the flag -k/--kep-order
    to keep output in order of input.
  - Outputs of all commands are buffered, you can use the flag -I/--immediate-output
    to print output immediately and interleaved.

Replacement strings in commands:
  {}          full data
  {#}         job ID
  {n}         nth field in delimiter-delimited data
  {/}         dirname
  {%}         basename
  {.}         remove the last file extension
  {:}         remove all file extensions.
  {^suffix}   remove suffix
  {@regexp}   capture submatch using regular expression

  Combinations:
    {%.}, {%:}          basename without extension
    {2.}, {2/}, {2%.}   manipulate nth field

Preset variable (macro):
  1. You can pass variables to the command like awk via the option -v. E.g.,
     $ seq 3 | rush -v p=prefix_ -v s=_suffix 'echo {p}{}{s}'
     prefix_3_suffix
     prefix_1_suffix
     prefix_2_suffix
  2. The value could also contain replacement strings.
     # {p} will be replaced with {%:}, which computes the basename and remove all file extensions.
     $ echo a/b/c.txt.gz | rush -v 'p={%:}' 'echo {p} {p}.csv'
     c c.csv

Usage:
  rush [flags] [command]

Examples:
  1. simple run, quoting is not necessary
      $ seq 1 10 | rush echo {}
  2. keep order
      $ seq 1 10 | rush 'echo {}' -k
  3. timeout
      $ seq 1 | rush 'sleep 2; echo {}' -t 1
  4. retry
      $ seq 1 | rush 'python script.py' -r 3
  5. dirname & basename & remove suffix
      $ echo dir/file_1.txt.gz | rush 'echo {/} {%} {^_1.txt.gz}'
      dir file.txt.gz dir/file
  6. basename without the last or any extension
      $ echo dir.d/file.txt.gz | rush 'echo {.} {:} {%.} {%:}'
      dir.d/file.txt dir.d/file file.txt file
  7. job ID, combine fields and other replacement strings
      $ echo 12 file.txt dir/s_1.fq.gz | rush 'echo job {#}: {2} {2.} {3%:^_1}'
      job 1: file.txt file s
  8. capture submatch using regular expression
      $ echo read_1.fq.gz | rush 'echo {@(.+)_\d}'
      read
  9. custom field delimiter
      $ echo a=b=c | rush 'echo {1} {2} {3}' -d =
      a b c
  10. custom record delimiter
      $ echo a=b=c | rush -D "=" -k 'echo {}'
      a
      b
      c
      $ echo abc | rush -D "" -k 'echo {}'
      a
      b
      c
  11. assign value to variable, like "awk -v"
      # seq 1 | rush 'echo Hello, {fname} {lname}!' -v fname=Wei,lname=Shen
      $ seq 1 | rush 'echo Hello, {fname} {lname}!' -v fname=Wei -v lname=Shen
      Hello, Wei Shen!
  12. preset variable (Macro)
      # equal to: echo sample_1.fq.gz | rush 'echo {:^_1} {} {:^_1}_2.fq.gz'
      $ echo sample_1.fq.gz | rush -v p={:^_1} 'echo {p} {} {p}_2.fq.gz'
      sample sample_1.fq.gz sample_2.fq.gz
  13. save successful commands to continue in NEXT run
      $ seq 1 3 | rush 'sleep {}; echo {}' -c -t 2
      [INFO] ignore cmd #1: sleep 1; echo 1
      [ERRO] run cmd #1: sleep 2; echo 2: time out
      [ERRO] run cmd #2: sleep 3; echo 3: time out
  14. escape special symbols
      $ seq 1 | rush 'echo -e "a\tb" | awk "{print $1}"' -q
      a
  15. run a command with relative paths in Windows, please use backslash as the separator.
      # "brename -l -R" is used to search paths recursively
      $ brename -l -q -R -i -p "\.go$" | rush "bin\app.exe {}"

  More examples: https://github.com/shenwei356/rush

Flags:
  -v, --assign strings            assign the value val to the variable var (format: var=val, val also
                                  supports replacement strings)
      --cleanup-time int          time to allow child processes to clean up between stop / kill signals
                                  (unit: seconds, 0 for no time) (default 3) (default 3)
  -c, --continue                  continue jobs. NOTES: 1) successful commands are saved in file (given
                                  by flag -C/--succ-cmd-file); 2) if the file does not exist, rush saves
                                  data so we can continue jobs next time; 3) if the file exists, rush
                                  ignores jobs in it and update the file
      --dry-run                   print command but not run
  -q, --escape                    escape special symbols like $ which you can customize by flag
                                  -Q/--escape-symbols
  -Q, --escape-symbols string     symbols to escape (default "$#&`")
      --eta                       show ETA progress bar
  -d, --field-delimiter string    field delimiter in records, support regular expression (default "\\s+")
  -h, --help                      help for rush
  -I, --immediate-output          print output immediately and interleaved, to aid debugging
  -i, --infile strings            input data file, multi-values supported
  -j, --jobs int                  run n jobs in parallel (default value depends on your device) (default 16)
  -k, --keep-order                keep output in order of input
      --no-kill-exes strings      exe names to exclude from kill signal, example: mspdbsrv.exe; or use
                                  all for all exes (default none)
      --no-stop-exes strings      exe names to exclude from stop signal, example: mspdbsrv.exe; or use
                                  all for all exes (default none)
  -n, --nrecords int              number of records sent to a command (default 1)
  -o, --out-file string           out file ("-" for stdout) (default "-")
      --print-retry-output        print output from retry commands (default true)
      --propagate-exit-status     propagate child exit status up to the exit status of rush (default true)
  -D, --record-delimiter string   record delimiter (default is "\n") (default "\n")
  -J, --records-join-sep string   record separator for joining multi-records (default is "\n") (default "\n")
  -r, --retries int               maximum retries (default 0)
      --retry-interval int        retry interval (unit: second) (default 0)
  -e, --stop-on-error             stop child processes on first error (not perfect, you may stop it by
                                  typing ctrl-c or closing terminal)
  -C, --succ-cmd-file string      file for saving successful commands (default "successful_cmds.rush")
  -t, --timeout int               timeout of a command (unit: seconds, 0 for no timeout) (default 0)
  -T, --trim string               trim white space (" \t\r\n") in input (available values: "l" for left,
                                  "r" for right, "lr", "rl", "b" for both side)
      --verbose                   print verbose information
  -V, --version                   print version information and check for update

Examples

  1. Simple run, quoting is not necessary

     # seq 1 3 | rush 'echo {}'
     $ seq 1 3 | rush echo {}
     3
     1
     2
    
  2. Read data from file (-i)

     $ rush echo {} -i data1.txt -i data2.txt
    
  3. Keep output order (-k)

     $ seq 1 3 | rush 'echo {}' -k
     1
     2
     3
    
  4. Timeout (-t)

     $ time seq 1 | rush 'sleep 2; echo {}' -t 1
     [ERRO] run command #1: sleep 2; echo 1: time out
    
     real    0m1.010s
     user    0m0.005s
     sys     0m0.007s
    
  5. Retry (-r)

     $ seq 1 | rush 'python unexisted_script.py' -r 1
     python: can't open file 'unexisted_script.py': [Errno 2] No such file or directory
     [WARN] wait command: python unexisted_script.py: exit status 2
     python: can't open file 'unexisted_script.py': [Errno 2] No such file or directory
     [ERRO] wait command: python unexisted_script.py: exit status 2
    
  6. Dirname ({/}) and basename ({%}) and remove custom suffix ({^suffix})

     $ echo dir/file_1.txt.gz | rush 'echo {/} {%} {^_1.txt.gz}'
     dir file_1.txt.gz dir/file
    
  7. Get basename, and remove last ({.}) or any ({:}) extension

     $ echo dir.d/file.txt.gz | rush 'echo {.} {:} {%.} {%:}'
     dir.d/file.txt dir.d/file file.txt file
    
  8. Job ID, combine fields index and other replacement strings

     $ echo 12 file.txt dir/s_1.fq.gz | rush 'echo job {#}: {2} {2.} {3%:^_1}'
     job 1: file.txt file s
    
  9. Capture submatch using regular expression ({@regexp})

     $ echo read_1.fq.gz | rush 'echo {@(.+)_\d}'
    
  10. Custom field delimiter (-d)

     $ echo a=b=c | rush 'echo {1} {2} {3}' -d =
     a b c
    
  11. Send multi-lines to every command (-n)

     $ seq 5 | rush -n 2 -k 'echo "{}"; echo'
     1
     2
    
     3
     4
    
     5
    
     # Multiple records are joined with separator `"\n"` (`-J/--records-join-sep`)
     $ seq 5 | rush -n 2 -k 'echo "{}"; echo' -J ' '
     1 2
    
     3 4
    
     5
    
     $ seq 5 | rush -n 2 -k -j 3 'echo {1}'
     1
     3
     5
    
  12. Custom record delimiter (-D), note that empty records are not used.

     $ echo a b c d | rush -D " " -k 'echo {}'
     a
     b
     c
     d
    
     $ echo abcd | rush -D "" -k 'echo {}'
     a
     b
     c
     d
    
     # FASTA format
     $ echo -ne ">seq1\nactg\n>seq2\nAAAA\n>seq3\nCCCC"
     >seq1
     actg
     >seq2
     AAAA
     >seq3
     CCCC
    
     $ echo -ne ">seq1\nactg\n>seq2\nAAAA\n>seq3\nCCCC" | rush -D ">" 'echo FASTA record {#}: name: {1} sequence: {2}' -k -d "\n"
     FASTA record 1: name: seq1 sequence: actg
     FASTA record 2: name: seq2 sequence: AAAA
     FASTA record 3: name: seq3 sequence: CCCC
    
  13. Assign value to variable, like awk -v (-v)

     $ seq 1  | rush 'echo Hello, {fname} {lname}!' -v fname=Wei -v lname=Shen
     Hello, Wei Shen!
    
     $ seq 1  | rush 'echo Hello, {fname} {lname}!' -v fname=Wei,lname=Shen
     Hello, Wei Shen!
    
     $ for var in a b; do \
     $   seq 1 3 | rush -k -v var=$var 'echo var: {var}, data: {}'; \
     $ done
     var: a, data: 1
     var: a, data: 2
     var: a, data: 3
     var: b, data: 1
     var: b, data: 2
     var: b, data: 3
    
  14. Preset variable (-v), avoid repeatedly writing verbose replacement strings

     # naive way
     $ echo read_1.fq.gz | rush 'echo {:^_1} {:^_1}_2.fq.gz'
     read read_2.fq.gz
    
     # macro + removing suffix
     $ echo read_1.fq.gz | rush -v p='{:^_1}' 'echo {p} {p}_2.fq.gz'
    
     # macro + regular expression
     $ echo read_1.fq.gz | rush -v p='{@(.+?)_\d}' 'echo {p} {p}_2.fq.gz'
    
  15. Escape special symbols

     $ seq 1 | rush 'echo "I have $100"'
     I have 00
     $ seq 1 | rush 'echo "I have $100"' -q
     I have $100
     $ seq 1 | rush 'echo "I have $100"' -q --dry-run
     echo "I have \$100"
    
     $ seq 1 | rush 'echo -e "a\tb" | awk "{print $1}"'
     a       b
    
     $ seq 1 | rush 'echo -e "a\tb" | awk "{print $1}"' -q
     a
    
  16. Interrupt jobs by Ctrl-C, rush will stop unfinished commands and exit.

     $ seq 1 20 | rush 'sleep 1; echo {}'
     ^C[CRIT] received an interrupt, stopping unfinished commands...
     [ERRO] wait cmd #7: sleep 1; echo 7: signal: interrupt
     [ERRO] wait cmd #5: sleep 1; echo 5: signal: killed
     [ERRO] wait cmd #6: sleep 1; echo 6: signal: killed
     [ERRO] wait cmd #8: sleep 1; echo 8: signal: killed
     [ERRO] wait cmd #9: sleep 1; echo 9: signal: killed
     1
     3
     4
     2
    
  17. Continue/resume jobs (-c). When some jobs failed (by execution failure, timeout, or cancelling by user with Ctrl + C), please switch flag -c/--continue on and run again, so that rush can save successful commands and ignore them in NEXT run.

     $ seq 1 3 | rush 'sleep {}; echo {}' -t 3 -c
     1
     2
     [ERRO] run cmd #3: sleep 3; echo 3: time out
    
     # successful commands:
     $ cat successful_cmds.rush
     sleep 1; echo 1__CMD__
     sleep 2; echo 2__CMD__
    
     # run again
     $ seq 1 3 | rush 'sleep {}; echo {}' -t 3 -c
     [INFO] ignore cmd #1: sleep 1; echo 1
     [INFO] ignore cmd #2: sleep 2; echo 2
     [ERRO] run cmd #1: sleep 3; echo 3: time out
    

    Commands of multi-lines (Not supported in GNU parallel)

     $ seq 1 3 | rush 'sleep {}; echo {}; \
     echo finish {}' -t 3 -c -C finished.rush
     1
     finish 1
     2
     finish 2
     [ERRO] run cmd #3: sleep 3; echo 3; \
     echo finish 3: time out
    
     $ cat finished.rush
     sleep 1; echo 1; \
     echo finish 1__CMD__
     sleep 2; echo 2; \
     echo finish 2__CMD__
    
     # run again
     $ seq 1 3 | rush 'sleep {}; echo {}; \
     echo finish {}' -t 3 -c -C finished.rush
     [INFO] ignore cmd #1: sleep 1; echo 1; \
     echo finish 1
     [INFO] ignore cmd #2: sleep 2; echo 2; \
     echo finish 2
     [ERRO] run cmd #1: sleep 3; echo 3; \
     echo finish 3: time out
    

    Commands are saved to file (-C) right after it finished, so we can view the check finished jobs:

     grep -c __CMD__ successful_cmds.rush
    
  18. A comprehensive example: downloading 1K+ pages given by three URL list files using phantomjs save_page.js (some page contents are dynamicly generated by Javascript, so wget does not work). Here I set max jobs number (-j) as 20, each job has a max running time (-t) of 60 seconds and 3 retry changes (-r). Continue flag -c is also switched on, so we can continue unfinished jobs. Luckily, it's accomplished in one run :smile:

     $ for f in $(seq 2014 2016); do \
     $    /bin/rm -rf $f; mkdir -p $f; \
     $    cat $f.html.txt | rush -v d=$f -d = 'phantomjs save_page.js "{}" > {d}/{3}.html' -j 20 -t 60 -r 3 -c; \
     $ done
    
  19. A bioinformatics example: mapping with bwa, and processing result with samtools:

     $ tree raw.cluster.clean.mapping
     raw.cluster.clean.mapping
     ├── M1
     │   ├── M1_1.fq.gz -> ../../raw.cluster.clean/M1/M1_1.fq.gz
     │   ├── M1_2.fq.gz -> ../../raw.cluster.clean/M1/M1_2.fq.gz
     ...
    
     $ ref=ref/xxx.fa
     $ threads=25
     $ ls -d raw.cluster.clean.mapping/* \
         | rush -v ref=$ref -v j=$threads \
             'bwa mem -t {j} -M -a {ref} {}/{%}_1.fq.gz {}/{%}_2.fq.gz > {}/{%}.sam; \
             samtools view -bS {}/{%}.sam > {}/{%}.bam; \
             samtools sort -T {}/{%}.tmp -@ {j} {}/{%}.bam -o {}/{%}.sorted.bam; \
             samtools index {}/{%}.sorted.bam; \
             samtools flagstat {}/{%}.sorted.bam > {}/{%}.sorted.bam.flagstat; \
             /bin/rm {}/{%}.bam {}/{%}.sam;' \
             -j 2 --verbose -c -C mapping.rush
    

    Since {}/{%} appears many times, we can use preset variable (macro) to simplify it:

     $ ls -d raw.cluster.clean.mapping/* \
         | rush -v ref=$ref -v j=$threads -v p='{}/{%}' \
             'bwa mem -t {j} -M -a {ref} {p}_1.fq.gz {p}_2.fq.gz > {p}.sam; \
             samtools view -bS {p}.sam > {p}.bam; \
             samtools sort -T {p}.tmp -@ {j} {p}.bam -o {p}.sorted.bam; \
             samtools index {p}.sorted.bam; \
             samtools flagstat {p}.sorted.bam > {p}.sorted.bam.flagstat; \
             /bin/rm {p}.bam {p}.sam;' \
             -j 2 --verbose -c -C mapping.rush
    

Special Cases

Contributors

Main contributors:

Others contributors

Acknowledgements

Specially thank @brentp and his gargs, from which rush borrows some ideas.

Thank @bburgin for his contribution on improvement of child process management.

Contact

Create an issue to report bugs, propose new functions or ask for help.

License

MIT License

Starchart

<img src="https://starchart.cc/shenwei356/rush.svg" alt="Stargazers over time" style="max-width: 100%">