Thanks, much appreciated. I think I sort of understand the syntax now I see it, but I definitely need to get more into this.
On Tue, Nov 20, 2012 at 7:09 PM, Glynn Clements <gl...@gclements.plus.com>wrote: > > Paulo van Breugel wrote: > > > Is there a way to get the minimum and maximum values separately for each > of > > the ranges reported by fp in case of fp input maps? > > > > I could use e.g., awk to separate the columns, but the problem is with > > negative values, like in the example below: > > > > -1--2 | 5 > > -2-0 | 10 > > 0-1 | 3 > > > > The minus sign and the dash to separate the minimum and maximum value of > > the range are the same character so separating by separator is not that > > straightforwards (or maybe / hopefully I am missing something obvious). > > A '-' is a minus sign if it occurs at the beginning of the string or > immediately following another '-', otherwise it's a dash. > > The following regexp should match the above syntax correctly: > > ^\(-\?[0-9]\+\)-\(-\?[0-9]\+\) *| *\([0-9]\+\) # basic RE syntax > ^(-?[0-9]+)-(-?[0-9]+) *\| *([0-9]+) # extended RE syntax > > -- > Glynn Clements <gl...@gclements.plus.com> >
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