Package: sed Version: 4.1.5-1 Severity: normal [EMAIL PROTECTED] time sed -n '/^[^=]/p' func.def-notype | wc -l 177725
real 0m0.181s user 0m0.172s sys 0m0.040s [EMAIL PROTECTED] time sed -n '/^=/b; /^./p' func.def-notype | wc -l 177725 real 0m0.219s user 0m0.212s sys 0m0.040s [EMAIL PROTECTED] time sed -n '/^=/b; /^$/b ;p' func.def-notype | wc -l 177725 real 0m0.915s user 0m0.888s sys 0m0.052s [EMAIL PROTECTED] time sed -n '/^=/b; /^$/!p' func.def-notype | wc -l 177725 real 0m0.949s user 0m0.932s sys 0m0.048s The '/^$/' thing generally slows down processing very much. But it should IMHO speed it up, because it skips empty lines before any processing in particular part of the script. Maybe zero, great zero length check is done every time, thus additional commands just slow down everything. This is the only reason i can think of. Then, this can be documented. -- System Information: Debian Release: 4.0 APT prefers stable APT policy: (500, 'stable') Architecture: amd64 (x86_64) Shell: /bin/sh linked to /bin/dash Kernel: Linux 2.6.18-5-amd64 Locale: LANG=ru_RU.KOI8-R, LC_CTYPE=ru_RU.KOI8-R (charmap=KOI8-R) Versions of packages sed depends on: ii libc6 2.3.6.ds1-13etch2 GNU C Library: Shared libraries sed recommends no packages. -- no debconf information -- sed 'sed && sh + olecom = love' << '' -o--=O`C #oo'L O <___=E M -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
