Mercurial > hg
view tests/test-walk.t @ 48598:a6f16ec07ed7
stream-clone: add a explicit test for format change during stream clone
They are different kind of requirements, the one which impact the data storage
and are relevant to the files being streamed and the one which does not. For
example some requirements are only relevant to the working copy, like sparse, or
dirstate-v2.
Since they are irrelevant to the content being streamed, they do not prevent the
receiving side to use streaming clone and mercurial skip adverting them over
the wire and, ideally, within the bundle.
In addition, this let the client decide to use whichever format it desire for
the part that does not affect the store itself. So the configuration related to
these format are used as normal when doing a streaming clone.
In practice, the feature was not really tested and is badly broken with bundle-2,
since the requirements are not filtered out from the stream bundle.
So we start with adding simple tests as a good base before the fix and adjust
the feature.
Differential Revision: https://phab.mercurial-scm.org/D12029
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Mon, 17 Jan 2022 18:51:47 +0100 |
parents | 35f1ecd84bd0 |
children | 42d2b31cee0b |
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$ hg init t $ cd t $ mkdir -p beans $ for b in kidney navy turtle borlotti black pinto; do > echo $b > beans/$b > done $ mkdir -p mammals/Procyonidae $ for m in cacomistle coatimundi raccoon; do > echo $m > mammals/Procyonidae/$m > done $ echo skunk > mammals/skunk $ echo fennel > fennel $ echo fenugreek > fenugreek $ echo fiddlehead > fiddlehead $ hg addremove adding beans/black adding beans/borlotti adding beans/kidney adding beans/navy adding beans/pinto adding beans/turtle adding fennel adding fenugreek adding fiddlehead adding mammals/Procyonidae/cacomistle adding mammals/Procyonidae/coatimundi adding mammals/Procyonidae/raccoon adding mammals/skunk $ hg commit -m "commit #0" $ hg debugwalk -v * matcher: <alwaysmatcher> f beans/black beans/black f beans/borlotti beans/borlotti f beans/kidney beans/kidney f beans/navy beans/navy f beans/pinto beans/pinto f beans/turtle beans/turtle f fennel fennel f fenugreek fenugreek f fiddlehead fiddlehead f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon f mammals/skunk mammals/skunk $ hg debugwalk -v -I. * matcher: <includematcher includes=''> f beans/black beans/black f beans/borlotti beans/borlotti f beans/kidney beans/kidney f beans/navy beans/navy f beans/pinto beans/pinto f beans/turtle beans/turtle f fennel fennel f fenugreek fenugreek f fiddlehead fiddlehead f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon f mammals/skunk mammals/skunk $ cd mammals $ hg debugwalk -v * matcher: <alwaysmatcher> f beans/black ../beans/black f beans/borlotti ../beans/borlotti f beans/kidney ../beans/kidney f beans/navy ../beans/navy f beans/pinto ../beans/pinto f beans/turtle ../beans/turtle f fennel ../fennel f fenugreek ../fenugreek f fiddlehead ../fiddlehead f mammals/Procyonidae/cacomistle Procyonidae/cacomistle f mammals/Procyonidae/coatimundi Procyonidae/coatimundi f mammals/Procyonidae/raccoon Procyonidae/raccoon f mammals/skunk skunk $ hg debugwalk -v -X ../beans * matcher: <differencematcher m1=<alwaysmatcher>, m2=<includematcher includes='beans(?:/|$)'>> f fennel ../fennel f fenugreek ../fenugreek f fiddlehead ../fiddlehead f mammals/Procyonidae/cacomistle Procyonidae/cacomistle f mammals/Procyonidae/coatimundi Procyonidae/coatimundi f mammals/Procyonidae/raccoon Procyonidae/raccoon f mammals/skunk skunk $ hg debugwalk -v -I '*k' * matcher: <includematcher includes='mammals/[^/]*k(?:/|$)'> f mammals/skunk skunk $ hg debugwalk -v -I 'glob:*k' * matcher: <includematcher includes='mammals/[^/]*k(?:/|$)'> f mammals/skunk skunk $ hg debugwalk -v -I 'relglob:*k' * matcher: <includematcher includes='.*k(?:/|$)'> f beans/black ../beans/black f fenugreek ../fenugreek f mammals/skunk skunk $ hg debugwalk -v -I 'relglob:*k' . * matcher: <intersectionmatcher m1=<patternmatcher patterns='mammals(?:/|$)'>, m2=<includematcher includes='.*k(?:/|$)'>> f mammals/skunk skunk $ hg debugwalk -v -I 're:.*k$' * matcher: <includematcher includes='.*k$'> f beans/black ../beans/black f fenugreek ../fenugreek f mammals/skunk skunk $ hg debugwalk -v -I 'relre:.*k$' * matcher: <includematcher includes='.*.*k$'> f beans/black ../beans/black f fenugreek ../fenugreek f mammals/skunk skunk $ hg debugwalk -v -I 'path:beans' * matcher: <includematcher includes='beans(?:/|$)'> f beans/black ../beans/black f beans/borlotti ../beans/borlotti f beans/kidney ../beans/kidney f beans/navy ../beans/navy f beans/pinto ../beans/pinto f beans/turtle ../beans/turtle $ hg debugwalk -v -I 'relpath:detour/../../beans' * matcher: <includematcher includes='beans(?:/|$)'> f beans/black ../beans/black f beans/borlotti ../beans/borlotti f beans/kidney ../beans/kidney f beans/navy ../beans/navy f beans/pinto ../beans/pinto f beans/turtle ../beans/turtle $ hg debugwalk -v 'rootfilesin:' * matcher: <patternmatcher patterns="rootfilesin: ['.']"> f fennel ../fennel f fenugreek ../fenugreek f fiddlehead ../fiddlehead $ hg debugwalk -v -I 'rootfilesin:' * matcher: <includematcher includes="rootfilesin: ['.']"> f fennel ../fennel f fenugreek ../fenugreek f fiddlehead ../fiddlehead $ hg debugwalk -v 'rootfilesin:.' * matcher: <patternmatcher patterns="rootfilesin: ['.']"> f fennel ../fennel f fenugreek ../fenugreek f fiddlehead ../fiddlehead $ hg debugwalk -v -I 'rootfilesin:.' * matcher: <includematcher includes="rootfilesin: ['.']"> f fennel ../fennel f fenugreek ../fenugreek f fiddlehead ../fiddlehead $ hg debugwalk -v -X 'rootfilesin:' * matcher: <differencematcher m1=<alwaysmatcher>, m2=<includematcher includes="rootfilesin: ['.']">> f beans/black ../beans/black f beans/borlotti ../beans/borlotti f beans/kidney ../beans/kidney f beans/navy ../beans/navy f beans/pinto ../beans/pinto f beans/turtle ../beans/turtle f mammals/Procyonidae/cacomistle Procyonidae/cacomistle f mammals/Procyonidae/coatimundi Procyonidae/coatimundi f mammals/Procyonidae/raccoon Procyonidae/raccoon f mammals/skunk skunk $ hg debugwalk -v 'rootfilesin:fennel' * matcher: <patternmatcher patterns="rootfilesin: ['fennel']"> $ hg debugwalk -v -I 'rootfilesin:fennel' * matcher: <includematcher includes="rootfilesin: ['fennel']"> $ hg debugwalk -v 'rootfilesin:skunk' * matcher: <patternmatcher patterns="rootfilesin: ['skunk']"> $ hg debugwalk -v -I 'rootfilesin:skunk' * matcher: <includematcher includes="rootfilesin: ['skunk']"> $ hg debugwalk -v 'rootfilesin:beans' * matcher: <patternmatcher patterns="rootfilesin: ['beans']"> f beans/black ../beans/black f beans/borlotti ../beans/borlotti f beans/kidney ../beans/kidney f beans/navy ../beans/navy f beans/pinto ../beans/pinto f beans/turtle ../beans/turtle $ hg debugwalk -v -I 'rootfilesin:beans' * matcher: <includematcher includes="rootfilesin: ['beans']"> f beans/black ../beans/black f beans/borlotti ../beans/borlotti f beans/kidney ../beans/kidney f beans/navy ../beans/navy f beans/pinto ../beans/pinto f beans/turtle ../beans/turtle $ hg debugwalk -v 'rootfilesin:mammals' * matcher: <patternmatcher patterns="rootfilesin: ['mammals']"> f mammals/skunk skunk $ hg debugwalk -v -I 'rootfilesin:mammals' * matcher: <includematcher includes="rootfilesin: ['mammals']"> f mammals/skunk skunk $ hg debugwalk -v 'rootfilesin:mammals/' * matcher: <patternmatcher patterns="rootfilesin: ['mammals']"> f mammals/skunk skunk $ hg debugwalk -v -I 'rootfilesin:mammals/' * matcher: <includematcher includes="rootfilesin: ['mammals']"> f mammals/skunk skunk $ hg debugwalk -v -X 'rootfilesin:mammals' * matcher: <differencematcher m1=<alwaysmatcher>, m2=<includematcher includes="rootfilesin: ['mammals']">> f beans/black ../beans/black f beans/borlotti ../beans/borlotti f beans/kidney ../beans/kidney f beans/navy ../beans/navy f beans/pinto ../beans/pinto f beans/turtle ../beans/turtle f fennel ../fennel f fenugreek ../fenugreek f fiddlehead ../fiddlehead f mammals/Procyonidae/cacomistle Procyonidae/cacomistle f mammals/Procyonidae/coatimundi Procyonidae/coatimundi f mammals/Procyonidae/raccoon Procyonidae/raccoon $ hg debugwalk -v . * matcher: <patternmatcher patterns='mammals(?:/|$)'> f mammals/Procyonidae/cacomistle Procyonidae/cacomistle f mammals/Procyonidae/coatimundi Procyonidae/coatimundi f mammals/Procyonidae/raccoon Procyonidae/raccoon f mammals/skunk skunk $ hg debugwalk -v -I. * matcher: <includematcher includes='mammals(?:/|$)'> f mammals/Procyonidae/cacomistle Procyonidae/cacomistle f mammals/Procyonidae/coatimundi Procyonidae/coatimundi f mammals/Procyonidae/raccoon Procyonidae/raccoon f mammals/skunk skunk $ hg debugwalk -v Procyonidae * matcher: <patternmatcher patterns='mammals/Procyonidae(?:/|$)'> f mammals/Procyonidae/cacomistle Procyonidae/cacomistle f mammals/Procyonidae/coatimundi Procyonidae/coatimundi f mammals/Procyonidae/raccoon Procyonidae/raccoon $ cd Procyonidae $ hg debugwalk -v . * matcher: <patternmatcher patterns='mammals/Procyonidae(?:/|$)'> f mammals/Procyonidae/cacomistle cacomistle f mammals/Procyonidae/coatimundi coatimundi f mammals/Procyonidae/raccoon raccoon $ hg debugwalk -v .. * matcher: <patternmatcher patterns='mammals(?:/|$)'> f mammals/Procyonidae/cacomistle cacomistle f mammals/Procyonidae/coatimundi coatimundi f mammals/Procyonidae/raccoon raccoon f mammals/skunk ../skunk $ cd .. $ hg debugwalk -v ../beans * matcher: <patternmatcher patterns='beans(?:/|$)'> f beans/black ../beans/black f beans/borlotti ../beans/borlotti f beans/kidney ../beans/kidney f beans/navy ../beans/navy f beans/pinto ../beans/pinto f beans/turtle ../beans/turtle $ hg debugwalk -v . * matcher: <patternmatcher patterns='mammals(?:/|$)'> f mammals/Procyonidae/cacomistle Procyonidae/cacomistle f mammals/Procyonidae/coatimundi Procyonidae/coatimundi f mammals/Procyonidae/raccoon Procyonidae/raccoon f mammals/skunk skunk $ hg debugwalk -v .hg abort: path 'mammals/.hg' is inside nested repo 'mammals' [10] $ hg debugwalk -v ../.hg abort: path contains illegal component: .hg [10] $ cd .. $ hg debugwalk -v -Ibeans * matcher: <includematcher includes='beans(?:/|$)'> f beans/black beans/black f beans/borlotti beans/borlotti f beans/kidney beans/kidney f beans/navy beans/navy f beans/pinto beans/pinto f beans/turtle beans/turtle $ hg debugwalk -v -I '{*,{b,m}*/*}k' * matcher: <includematcher includes='(?:[^/]*|(?:b|m)[^/]*/[^/]*)k(?:/|$)'> f beans/black beans/black f fenugreek fenugreek f mammals/skunk mammals/skunk $ hg debugwalk -v -Ibeans mammals * matcher: <intersectionmatcher m1=<patternmatcher patterns='mammals(?:/|$)'>, m2=<includematcher includes='beans(?:/|$)'>> $ hg debugwalk -v -Inon-existent * matcher: <includematcher includes='non\\-existent(?:/|$)'> $ hg debugwalk -v -Inon-existent -Ibeans/black * matcher: <includematcher includes='non\\-existent(?:/|$)|beans/black(?:/|$)'> f beans/black beans/black $ hg debugwalk -v -Ibeans beans/black * matcher: <intersectionmatcher m1=<patternmatcher patterns='beans/black(?:/|$)'>, m2=<includematcher includes='beans(?:/|$)'>> f beans/black beans/black exact $ hg debugwalk -v -Ibeans/black beans * matcher: <intersectionmatcher m1=<patternmatcher patterns='beans(?:/|$)'>, m2=<includematcher includes='beans/black(?:/|$)'>> f beans/black beans/black $ hg debugwalk -v -Xbeans/black beans * matcher: <differencematcher m1=<patternmatcher patterns='beans(?:/|$)'>, m2=<includematcher includes='beans/black(?:/|$)'>> f beans/borlotti beans/borlotti f beans/kidney beans/kidney f beans/navy beans/navy f beans/pinto beans/pinto f beans/turtle beans/turtle $ hg debugwalk -v -Xbeans/black -Ibeans * matcher: <differencematcher m1=<includematcher includes='beans(?:/|$)'>, m2=<includematcher includes='beans/black(?:/|$)'>> f beans/borlotti beans/borlotti f beans/kidney beans/kidney f beans/navy beans/navy f beans/pinto beans/pinto f beans/turtle beans/turtle $ hg debugwalk -v -Xbeans/black beans/black * matcher: <differencematcher m1=<patternmatcher patterns='beans/black(?:/|$)'>, m2=<includematcher includes='beans/black(?:/|$)'>> $ hg debugwalk -v -Xbeans/black -Ibeans/black * matcher: <differencematcher m1=<includematcher includes='beans/black(?:/|$)'>, m2=<includematcher includes='beans/black(?:/|$)'>> $ hg debugwalk -v -Xbeans beans/black * matcher: <differencematcher m1=<patternmatcher patterns='beans/black(?:/|$)'>, m2=<includematcher includes='beans(?:/|$)'>> $ hg debugwalk -v -Xbeans -Ibeans/black * matcher: <differencematcher m1=<includematcher includes='beans/black(?:/|$)'>, m2=<includematcher includes='beans(?:/|$)'>> $ hg debugwalk -v 'glob:mammals/../beans/b*' * matcher: <patternmatcher patterns='beans/b[^/]*$'> f beans/black beans/black f beans/borlotti beans/borlotti $ hg debugwalk -v '-X*/Procyonidae' mammals * matcher: <differencematcher m1=<patternmatcher patterns='mammals(?:/|$)'>, m2=<includematcher includes='[^/]*/Procyonidae(?:/|$)'>> f mammals/skunk mammals/skunk $ hg debugwalk -v path:mammals * matcher: <patternmatcher patterns='mammals(?:/|$)'> f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon f mammals/skunk mammals/skunk $ hg debugwalk -v .. abort: .. not under root '$TESTTMP/t' [255] $ hg debugwalk -v beans/../.. abort: beans/../.. not under root '$TESTTMP/t' [255] $ hg debugwalk -v .hg abort: path contains illegal component: .hg [10] $ hg debugwalk -v beans/../.hg abort: path contains illegal component: .hg [10] $ hg debugwalk -v beans/../.hg/data abort: path contains illegal component: .hg/data [10] $ hg debugwalk -v beans/.hg abort: path 'beans/.hg' is inside nested repo 'beans' [10] Test explicit paths and excludes: $ hg debugwalk -v fennel -X fennel * matcher: <differencematcher m1=<patternmatcher patterns='fennel(?:/|$)'>, m2=<includematcher includes='fennel(?:/|$)'>> $ hg debugwalk -v fennel -X 'f*' * matcher: <differencematcher m1=<patternmatcher patterns='fennel(?:/|$)'>, m2=<includematcher includes='f[^/]*(?:/|$)'>> $ hg debugwalk -v beans/black -X 'path:beans' * matcher: <differencematcher m1=<patternmatcher patterns='beans/black(?:/|$)'>, m2=<includematcher includes='beans(?:/|$)'>> $ hg debugwalk -v -I 'path:beans/black' -X 'path:beans' * matcher: <differencematcher m1=<includematcher includes='beans/black(?:/|$)'>, m2=<includematcher includes='beans(?:/|$)'>> Test absolute paths: $ hg debugwalk -v `pwd`/beans * matcher: <patternmatcher patterns='beans(?:/|$)'> f beans/black beans/black f beans/borlotti beans/borlotti f beans/kidney beans/kidney f beans/navy beans/navy f beans/pinto beans/pinto f beans/turtle beans/turtle $ hg debugwalk -v `pwd`/.. abort: $TESTTMP/t/.. not under root '$TESTTMP/t' [255] Test patterns: $ hg debugwalk -v glob:\* * matcher: <patternmatcher patterns='[^/]*$'> f fennel fennel f fenugreek fenugreek f fiddlehead fiddlehead #if eol-in-paths $ echo glob:glob > glob:glob $ hg addremove adding glob:glob warning: filename contains ':', which is reserved on Windows: 'glob:glob' $ hg debugwalk -v glob:\* * matcher: <patternmatcher patterns='[^/]*$'> f fennel fennel f fenugreek fenugreek f fiddlehead fiddlehead f glob:glob glob:glob $ hg debugwalk -v glob:glob * matcher: <patternmatcher patterns='glob$'> glob: $ENOENT$ $ hg debugwalk -v glob:glob:glob * matcher: <patternmatcher patterns='glob:glob$'> f glob:glob glob:glob exact $ hg debugwalk -v path:glob:glob * matcher: <patternmatcher patterns='glob:glob(?:/|$)'> f glob:glob glob:glob exact $ rm glob:glob $ hg addremove removing glob:glob #endif $ hg debugwalk -v 'glob:**e' * matcher: <patternmatcher patterns='.*e$'> f beans/turtle beans/turtle f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle $ hg debugwalk -v 're:.*[kb]$' * matcher: <patternmatcher patterns='.*[kb]$'> f beans/black beans/black f fenugreek fenugreek f mammals/skunk mammals/skunk $ hg debugwalk -v path:beans/black * matcher: <patternmatcher patterns='beans/black(?:/|$)'> f beans/black beans/black exact $ hg debugwalk -v path:beans//black * matcher: <patternmatcher patterns='beans/black(?:/|$)'> f beans/black beans/black exact $ hg debugwalk -v relglob:Procyonidae * matcher: <patternmatcher patterns='(?:|.*/)Procyonidae$'> $ hg debugwalk -v 'relglob:Procyonidae/**' * matcher: <patternmatcher patterns='(?:|.*/)Procyonidae/.*$'> f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon $ hg debugwalk -v 'relglob:Procyonidae/**' fennel * matcher: <patternmatcher patterns='(?:|.*/)Procyonidae/.*$|fennel(?:/|$)'> f fennel fennel exact f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon $ hg debugwalk -v beans 'glob:beans/*' * matcher: <patternmatcher patterns='beans(?:/|$)|beans/[^/]*$'> f beans/black beans/black f beans/borlotti beans/borlotti f beans/kidney beans/kidney f beans/navy beans/navy f beans/pinto beans/pinto f beans/turtle beans/turtle $ hg debugwalk -v 'glob:mamm**' * matcher: <patternmatcher patterns='mamm.*$'> f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon f mammals/skunk mammals/skunk $ hg debugwalk -v 'glob:mamm**' fennel * matcher: <patternmatcher patterns='mamm.*$|fennel(?:/|$)'> f fennel fennel exact f mammals/Procyonidae/cacomistle mammals/Procyonidae/cacomistle f mammals/Procyonidae/coatimundi mammals/Procyonidae/coatimundi f mammals/Procyonidae/raccoon mammals/Procyonidae/raccoon f mammals/skunk mammals/skunk $ hg debugwalk -v 'glob:j*' * matcher: <patternmatcher patterns='j[^/]*$'> $ hg debugwalk -v NOEXIST * matcher: <patternmatcher patterns='NOEXIST(?:/|$)'> NOEXIST: * (glob) #if fifo $ mkfifo fifo $ hg debugwalk -v fifo * matcher: <patternmatcher patterns='fifo(?:/|$)'> fifo: unsupported file type (type is fifo) #endif $ rm fenugreek $ hg debugwalk -v fenugreek * matcher: <patternmatcher patterns='fenugreek(?:/|$)'> f fenugreek fenugreek exact $ hg rm fenugreek $ hg debugwalk -v fenugreek * matcher: <patternmatcher patterns='fenugreek(?:/|$)'> f fenugreek fenugreek exact $ touch new $ hg debugwalk -v new * matcher: <patternmatcher patterns='new(?:/|$)'> f new new exact $ mkdir ignored $ touch ignored/file $ echo '^ignored$' > .hgignore $ hg debugwalk -v ignored * matcher: <patternmatcher patterns='ignored(?:/|$)'> $ hg debugwalk -v ignored/file * matcher: <patternmatcher patterns='ignored/file(?:/|$)'> f ignored/file ignored/file exact Test listfile and listfile0 $ "$PYTHON" -c "open('listfile0', 'wb').write(b'fenugreek\0new\0')" $ hg debugwalk -v -I 'listfile0:listfile0' * matcher: <includematcher includes='fenugreek(?:/|$)|new(?:/|$)'> f fenugreek fenugreek f new new $ "$PYTHON" -c "open('listfile', 'wb').write(b'fenugreek\nnew\r\nmammals/skunk\n')" $ hg debugwalk -v -I 'listfile:listfile' * matcher: <includematcher includes='fenugreek(?:/|$)|new(?:/|$)|mammals/skunk(?:/|$)'> f fenugreek fenugreek f mammals/skunk mammals/skunk f new new $ cd .. $ hg debugwalk -v -R t t/mammals/skunk * matcher: <patternmatcher patterns='mammals/skunk(?:/|$)'> f mammals/skunk t/mammals/skunk exact $ mkdir t2 $ cd t2 $ hg debugwalk -v -R ../t ../t/mammals/skunk * matcher: <patternmatcher patterns='mammals/skunk(?:/|$)'> f mammals/skunk ../t/mammals/skunk exact $ hg debugwalk -v --cwd ../t mammals/skunk * matcher: <patternmatcher patterns='mammals/skunk(?:/|$)'> f mammals/skunk mammals/skunk exact $ cd .. Test split patterns on overflow $ cd t $ echo fennel > overflow.list $ cat >> printnum.py <<EOF > from __future__ import print_function > for i in range(20000 // 100): > print('x' * 100) > EOF $ "$PYTHON" printnum.py >> overflow.list $ echo fenugreek >> overflow.list $ hg debugwalk 'listfile:overflow.list' 2>&1 | egrep -v '^xxx' f fennel fennel exact f fenugreek fenugreek exact $ cd ..