Portál AbcLinuxu, 6. května 2025 01:11
grep -raliF 'hledany-text' directory
, pripadne pokud Jardik zvlada regularni vyrazy, tak grep -raliE 'extended-regexp' directory
.
Docela by me zajimal rozdil oproti tomu tvymu CPP. Udelej benchmark. Zkus to s tim -raliF
to hleda plain-text, zadny regexp (regexp bude zrejme o trosku pomalejsi).
time grep -raliF Sys_FullPath . ./branches/next_ghost/unix/system.cpp ./branches/next_ghost/unix/.svn/text-base/init.cpp.svn-base ./branches/next_ghost/unix/.svn/text-base/system.cpp.svn-base ./branches/next_ghost/unix/init.cpp ./branches/next_ghost/libs/system.h ./branches/next_ghost/libs/memman.cpp ./branches/next_ghost/libs/.svn/text-base/memman.cpp.svn-base ./branches/next_ghost/libs/.svn/text-base/system.h.svn-base ./branches/next_ghost/game/realgame.cpp ./branches/next_ghost/game/music.cpp ./branches/next_ghost/game/globmap.cpp ./branches/next_ghost/game/macros.cpp ./branches/next_ghost/game/gamesave.cpp ./branches/next_ghost/game/.svn/text-base/gamesave.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/skeldal.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/globmap.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/inv.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/dialogs.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/music.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/realgame.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/menu.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/book.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/macros.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/interfac.cpp.svn-base ./branches/next_ghost/game/interfac.cpp ./branches/next_ghost/game/dialogs.cpp ./branches/next_ghost/game/menu.cpp ./branches/next_ghost/game/inv.cpp ./branches/next_ghost/game/book.cpp ./branches/next_ghost/game/skeldal.cpp real 0m4.747s user 0m4.616s sys 0m0.127s [jardik@Jardik-ArchPC skeldal]$ time /home/jardik/Projects/FindInFiles/findinfiles Sys_FullPath ./branches/next_ghost/unix/system.cpp ./branches/next_ghost/unix/.svn/text-base/init.cpp.svn-base ./branches/next_ghost/unix/.svn/text-base/system.cpp.svn-base ./branches/next_ghost/unix/init.cpp ./branches/next_ghost/libs/system.h ./branches/next_ghost/libs/memman.cpp ./branches/next_ghost/libs/.svn/text-base/memman.cpp.svn-base ./branches/next_ghost/libs/.svn/text-base/system.h.svn-base ./branches/next_ghost/game/realgame.cpp ./branches/next_ghost/game/music.cpp ./branches/next_ghost/game/globmap.cpp ./branches/next_ghost/game/macros.cpp ./branches/next_ghost/game/gamesave.cpp ./branches/next_ghost/game/.svn/text-base/gamesave.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/skeldal.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/globmap.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/inv.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/dialogs.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/music.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/realgame.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/menu.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/book.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/macros.cpp.svn-base ./branches/next_ghost/game/.svn/text-base/interfac.cpp.svn-base ./branches/next_ghost/game/interfac.cpp ./branches/next_ghost/game/dialogs.cpp ./branches/next_ghost/game/menu.cpp ./branches/next_ghost/game/inv.cpp ./branches/next_ghost/game/book.cpp ./branches/next_ghost/game/skeldal.cpp real 0m0.625s user 0m0.560s sys 0m0.063s [jardik@Jardik-ArchPC skeldal]$Můj se zdá být cca 7x rychlejší.
find . -type f -exec grep .....
, ale spis find -type f -print0 | xargs -0r grep ....
- to se pak spusti jeden grep s vice souborama najednou, kdyz tam neni extremne moc souboru (nenarazi se na limit delky parametru prikazu), tak se to spusti opravdu pouze jednou.
0m0.132s
, ignore case jsem nechtěl. Tak to se omlouvám za nařčení grepu z pomalosti, je jen o kousíček pomalejší. Ten --mmap pro grep nemá žádný přínost, je to furt stejný.
find KDE_HLEDAT -type f -not -path '*/.svn/*' -print0 | xargs -0r grep -lFI HLEDANY
bez "-i" a s "-I" (binarni soubory ignorovat).
real 0m0.141s
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