0.10.1: Tempdir Implemented

• Some potentially unsafe joblog-related code was removed.
• The --tmpdir / --tempdir parameter has been implemented.
• Much filepath-related code has been deprecated and thus removed.

0.10.0: Joblog, Shellquote, Refactoring, & Optimizations

• Implemented the joblog parameter which may be invoked with --joblog FILE
• Properly implemented the shellquote parameter and removed the quote parameter
• DiskBufferWriter was replaced with BufWriter<File> for performance reasons
• A misc module was added which contains useful traits such as NumToA and Digits.
• Integer to string optimizations are performed to eliminate heap allocations.
  • Instead of converting numbers into strings with the to_string() method, numbers will be converted and stored into a shared byte array via a numtoa() method
• A ton of refactoring work to make the source code easier to manage

0.9.0: Feature Additions

New Features Added

• memfree: Only execute the next task when the available memory is above a certain threshold.
• shebang: Adds ability to use the parallel application as an interpreter in a shebang line.
• eta: Track the average runtime of processes and print ETA statistics.
• timeout: When a process is running too long, kill the process.
• delay: Delay launching processes for a specified time when set.

Known Issues

• The timeout parameter has no effect on processes running within a shell.
• The -n parameter does not work correctly with {N} tokens.
• It's no longer possible to compile a Windows binary from a Linux host (sys-info conflict)

0.8.0: Max Arguments + Implementation Fixes

This release makes the implementation another step closer to the GNU implementation.

• The :::+ and ::::+ modes have been fixed.
• The -n and --no-shell flags have been removed as they are no longer required.
• The -n and --max-args flags have been added.
• The {#^} token has been renamed to {##} to match the GNU implementation
• The {#} token now starts counting from 1 instead of 0.
• A number of source code improvements has been made to the original parser. Many more improvements could be made to this part of the application though.

0.7.0: Temp Disk Buffering & Better Argument Splitting

• Implemented ArgumentSplitter which splits arguments better when not using a shell.
  • Handles both double and single quotes unlike the previous implementation
  • NOTE: Does not yet support environment variables
• Implemented temporary disk buffering for command outputs
  • The memory-buffered implementation has been replaced with this disk-based version.
  • Half as fast as the memory-buffered approach but uses significantly less memory.
  • NOTE: At a later date I will re-add support for memory-buffering
• Improved permutation speed when permutating multiple lists of arguments.
  • The permutate crate was updated to version 0.2.0
  • Allocations will no longer occur after the first iteration, as successive permutations will now re-use the buffer created by the first permutation.

0.6.5: Bug Fix Release

The problem with programming past midnight is that you make mistakes. The following issues are now corrected:

• The shell is now disabled/enabled properly when it is not needed
• Dash is only searched for and enabled if the shell is enabled
• A command needs a shell if it has a | pipe

0.6.4: Performance Optimizations

• Heap allocations have been drastically mitigated, improving performance and reducing memory consumption
• Jemalloc is disabled by default now, for a 100% performance boost
• If the command argument does not require a shell, then the shell will be disabled
• If dash is installed, dash will be used by default when the shell is enabled
• File paths are no longer recalculated

0.6.2: Add --shellquote

As simple as adding support for --quote was, this little update will also add support for --shellquote

0.6.1: Add --quote Option

This is just a small update that adds an option for the --quote mode from GNU Parallel. I had to change the -q flag which was previously assigned to --quite to be the short version of --quote, and have added the -s flag along with --silent as a replacement. However, --quite will remain.

0.6.0: Piping, Shell Detection, & Non-Text Inputs

• Adds support for piping inputs to commands via the new --pipe option
• Removes support for ungrouped mode until further notice
• Adds shell detection so that Parallel will attempt to use your preferred shell of choice
• Non-text inputs are fixed so that problems will no longer occur when taking binary data or garbage inputs
• All uses of the try! macro have been replaced by the new ? operator
• A bit of refactoring and sprucing up the existing source code