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Peter's Script-Archive - Minor List Processing Tools

Some additional small tools for lists and pipes.

Commands

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• ddnonblock, ddsponge (not actually dd, just mnemonically named commands; GNU dd: use both BS=HUGENUMBER and OBS to force acting like a sponge)
• echo2cat (abusing cat0 to turn command arguments into input lines)
• line.print, line.replace: combined with grep/grep -v the scripts allow basic line-editing using single line commands, with the strings being a mostly verbatim part of the command arguments, a history of the commands is already part-way to creating an UNDO log for basic editing actions.
• a modified version of pfind (find with regex)
• pipe.exec: pipe helper
  • set return code according to pipe contents (data/no data/grep)
  • conditionally execute a command depending on contents (data/no data/grep) and return the programs return code
  • tempfile wrapper: copy stdin to tempfile, edit non-stdin-friendly programm arguments and invoke it as part of a pipe (tempfile substituion a la xargs -I{})
• pipe.select.curses, pipe.select.gtk2 (examples to select lines within pipes)
• range (yet another command to print numeric ranges, with/without leading 0)
• randomecho, randomcat
• revdatesort
• sort.ip4
• teefork (slightly modified version of the old process-fork-capable perl tee script; forking a pipe into multiple short pipes)
• tailing files: USR1tail, busythreadtail

See also:

• f2a in 00_lib.func: a shell function reading a file into an array.
• pipe.vim (aka vimpipe) , vimless to run vim in the middle of a pipe or as a less replacement. Both are in the vim section.

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jakobi(at)acm.org, 2009-07 - 2012-03