DIFF(1)                       Cac cau l<?>nh                           DIFF(1)

TEN
       diff - compare files line by line

TOM T<?>T
       diff [TUY_CH<?>N]<?> CAC_T<?>P_TIN

MO T<?>
       So sanh cac T<?>P-TIN theo t<?>ng dong.

       Tuy ch<?>n dai yeu c<?>u d<?>i s<?> thi tuy ch<?>n ng<?>n cung v<?>y.

       --normal
              xu<?>t ra d<?>nh d<?>ng diff thong thu<?>ng (m<?>c d<?>nh)

       -q, --brief
              ch<?> bao cao n<?>u nh<?>ng t<?>p tin khac v<?>i nhau

       -s, --report-identical-files
              bao cao khi co hai t<?>p tin b<?>ng nhau

       -c, -C S<?>, --context[=S<?>]
              xu<?>t ra S<?> (m<?>c d<?>nh la 3) dong c<?>a ng<?> c<?>nh

       -u, -U S<?>, --unified[=S<?>]
              xu<?>t ra S<?> (m<?>c d<?>nh la 3) dong c<?>a ng<?> c<?>nh h<?>p
              nh<?>t

       -e, --ed
              xu<?>t t<?>p l<?>nh lo<?>i ed(1)

       -n, --rcs
              xu<?>t d<?> li<?>u khac bi<?>t s<?> d<?>ng d<?>nh d<?>ng RCS

       -y, --side-by-side
              xu<?>t ra theo d<?>nh d<?>ng hai c<?>t

       -W, --width=S<?>
              k<?>t xu<?>t nhi<?>u nh<?>t la S<?> c<?>t (m<?>c d<?>nh la 130)

       --left-column
              k<?>t xu<?>t ch<?> c<?>t ben trai c<?>a cac dong chung nhau

       --suppress-common-lines
              khong k<?>t xu<?>t cac dong chung nhau

       -p, --show-c-function
              hi<?>n th<?> cai ma t<?>ng ham C thay d<?>i <?> trong do

       -F, --show-function-line=RE
              hi<?>n th<?> nh<?>ng dong g<?>n nh<?>t kh<?>p v<?>i RE

       --label NHAN
              s<?> d<?>ng NHAN thay vi ten t<?>p tin va d<?>u th<?>i gian (co
              th<?> du<?>c l<?>p l<?>i)

       -t, --expand-tabs
              khai tri<?>n ky t<?> tab thanh cac kho<?>ng tr<?>ng khi k<?>t
              xu<?>t

       -T, --initial-tab
              t<?>o kho<?>ng tab cho dong b<?>ng cach them m<?>t tab vao
              tru<?>c

       --tabsize=S<?>
              d<?>nh kho<?>ng cach tab sau m<?>i S<?> c<?>t da in ra (m<?>c
              d<?>nh la 8)

       --suppress-blank-empty
              thu h<?>i kho<?>ng cach hay tab d<?>ng tru<?>c dong k<?>t xu<?>t
              tr<?>ng

       -l, --paginate
              chuy<?>n d<?> li<?>u k<?>t xu<?>t qua pr(1) d<?> dan trang no

       -r, --recursive
              so sanh d<?> qui m<?>i thu m<?>c con da tim th<?>y

       --no-dereference
              khong theo lien k<?>t m<?>m

       -N, --new-file
              coi t<?>p tin v<?>ng m<?>t la tr<?>ng

       --unidirectional-new-file
              coi t<?>p tin d<?>u ma v<?>ng m<?>t la tr<?>ng

       --ignore-file-name-case
              b<?> qua ch<?> HOA/thu<?>ng khi so sanh cac ten t<?>p tin

       --no-ignore-file-name-case
              phan bi<?>t HOA/thu<?>ng khi so sanh ten t<?>p tin

       -x, --exclude=M<?>U
              lo<?>i tr<?> cac t<?>p tin kh<?>p v<?>i M<?>U <?>y

       -X, --exclude-from=T<?>P_TIN
              lo<?>i tr<?> m<?>i t<?>p tin kh<?>p v<?>i b<?>t c<?> m<?>u nao
              trong T<?>P TIN <?>y

       -S, --starting-file=T<?>P_TIN
              b<?>t d<?>u v<?>i T<?>P TIN khi so sanh nhi<?>u thu m<?>c

       --from-file=T<?>P_TIN1
              so T<?>P TIN 1 v<?>i t<?>t c<?> toan h<?>ng; T<?>P TIN 1 co
              th<?> la thu m<?>c

       --to-file=T<?>P_TIN2
              So t<?>t c<?> toan h<?>ng v<?>i T<?>P TIN 2; T<?>P TIN 2 co
              th<?> la thu m<?>c

       -i, --ignore-case
              khong phan bi<?>t ch<?> HOA/thu<?>ng trong n<?>i dung t<?>p tin

       -E, --ignore-tab-expansion
              b<?> qua m<?>i thay d<?>i do m<?> r<?>ng tab

       -Z, --ignore-trailing-space
              b<?> qua t<?>t c<?> d<?>u cach <?> cu<?>i dong

       -b, --ignore-space-change
              b<?> qua thay d<?>i gay ra b<?>i nhom d<?>u cach

       -w, --ignore-all-space
              b<?> qua t<?>t c<?> d<?>u cach

       -B, --ignore-blank-lines
              b<?> qua thay d<?>i do dong tr<?>ng

       -I, --ignore-matching-lines=RE
              b<?> qua thay d<?>i do ma m<?>i dong kh<?>p v<?>i RE

       -a, --text
              coi m<?>i t<?>p tin la van b<?>n thu<?>ng

       --strip-trailing-cr
              c<?>t b<?> ky t<?> v<?> d<?>u dong (cr) theo sau khi nh<?>p

       -D, --ifdef=TEN
              k<?>t xu<?>t t<?>p tin da tr<?>n v<?>i khac bi<?>t "#ifdef TEN"

       --GTYPE-group-format=GFMT
              d<?>nh d<?>ng nh<?>p GTYPE v<?>i GFMT

       --line-format=LFMT
              d<?>nh d<?>ng t<?>t c<?>c cac dong vao v<?>i LFMT

       --LTYPE-line-format=LFMT
              d<?>nh d<?>ng nh<?>p LTYPE v<?>i LFMT

              Nhung tuy ch<?>n do di<?>u khi<?>n k<?>t xu<?>t ra d<?>nh d<?>ng
              diff

              d<?>p hon, khai quat hoa -D/--ifdef.

       LTYPE la "cu", "m<?>i", ho<?>c "chua thay d<?>i".
              GTYPE la LTYPE ho<?>c "thay d<?>i r<?>i".

              GFMT ch<?> co th<?> ch<?>a:

       %<     dong t<?> T<?>P_TIN1

       %>     dong t<?> T<?>P_TIN2

       %=     dong chung c<?>a T<?>P_TIN1 va T<?>P_TIN2

       %[-][D<?>_R<?>NG][.[PREC]]{doxX}CH<?>
              d<?>ng printf cho CH<?> <?>y

              CH<?> HOA cho nhom m<?>i, ch<?> thu<?>ng cho nhom cu:

       F      s<?> dong d<?>u

       L      s<?> dong cu<?>i cung

       N      t<?>ng s<?> dong = L-F+1

       E      F-1

       M      L+1

       %(A=B?T:E)
              n<?>u A b<?>ng B thi T n<?>u khong thi E

              LFMT ch<?> co th<?> ch<?>a:

       %L     n<?>i dung c<?>a dong

       %l     n<?>i dung c<?>a dong, lo<?>i tr<?> ky t<?> dong m<?>i nao di
              theo

       %[-][D_R<?>NG][.[PREC]]{doxX}n
              d<?>c t<?> d<?>ng printf cho s<?> dong d<?>u vao

              C<?> GFMT va LFMT co th<?> ch<?>a:

       %%     %

       %c'C'  ky t<?> rieng l<?> C

       %c'\OOO'
              ky t<?> co ma bat phan OOO

       C      ky t<?> C (cac ky t<?> khac d<?>i di<?>n cho chinh chung)

       -d, --minimal
              c<?> tim m<?>t thay d<?>i nh<?>

       --horizon-lines=S<?>
              gi<?> S<?> dong c<?>a ti<?>n t<?> va h<?>u t<?> chung

       --speed-large-files
              Gi<?> d<?>nh _t<?>p tin l<?>n_ va nhi<?>u thay d<?>i nh<?> r<?>i
              rac (_t<?>c d<?>_).

       --color[=WHEN]
              color output; WHEN is 'never', 'always', or 'auto'; plain
              --color means --color='auto'

       --palette=PALETTE
              cac mau du<?>c dung khi --color kich ho<?>t; PALETTE la m<?>t
              danh sach terminfo capabilities ngan cach b<?>ng d<?>u ph<?>y

       --help hi<?>n th<?> tr<?> giup nay r<?>i thoat

       -v, --version
              dua ra thong tin phien b<?>n r<?>i thoat

       CAC T<?>P TIN la "T<?>P_TIN1 T<?>P_TIN2" ho<?>c "THU_M<?>C1 THU_M<?>C2"
       ho<?>c "THU_M<?>C T<?>P_TIN" hay "T<?>P_TIN THU_M<?>C". N<?>u dua ra
       tuy ch<?>n --from-file (t<?> t<?>p tin) hay --to-file (vao t<?>p tin)
       thi khong co gi<?>i h<?>n T<?>P TIN. N<?>u T<?>P-TIN la "-", thi d<?>c
       t<?> d<?>u vao tieu chu<?>n. Tr<?>ng thai thoat la s<?> 0 n<?>u hai
       d<?>u vao b<?>ng nhau, s<?> 1 n<?>u la khac nhau va s<?> 2 n<?>u g<?>p
       l<?>i.

TAC GI<?>
       Tac gi<?>: Paul Eggert, Mike Haertel, David Hayes, Richard Stallman, va
       Len Tower.

THONG BAO L<?>I
       Thong bao l<?>i nao cho: <bug-diffutils@gnu.org>; Thong bao l<?>i
       d<?>ch nao cho: <http://translationproject.org/team/vi.html>
       Trang ch<?> GNU diffutils: <https://www.gnu.org/software/diffutils/>
       Tr<?> giup chung v<?> cach s<?> d<?>ng ph<?>n m<?>m GNU:
       <https://www.gnu.org/gethelp/>

B<?>N QUY<?>N
       Copyright (C) 2023 Free Software Foundation, Inc.  Gi<?>y phep GPL pb3+
       : Gi<?>y phep Cong c<?>ng GNU phien b<?>n 3 hay sau
       <https://gnu.org/licenses/gpl.html>.
       Day la ph<?>n m<?>m t<?> do: b<?>n co quy<?>n s<?>a d<?>i va phat hanh
       l<?>i no. KHONG CO B<?>O HANH GI C<?>, v<?>i di<?>u khi<?>n du<?>c phap
       lu<?>t cho phep.

XEM THEM
       wdiff(1), cmp(1), diff3(1), sdiff(1), patch(1)

       Tai li<?>u hu<?>ng d<?>n d<?>y d<?> v<?> diff du<?>c b<?>o tri du<?>i
       d<?>ng m<?>t s<?> tay Texinfo.  N<?>u chuong trinh info va diff du<?>c
       cai d<?>t dung <?> d<?>a ch<?> c<?>a b<?>n thi cau l<?>nh

              info diff

       nen cho phep b<?>n truy c<?>p d<?>n toan b<?> s<?> tay.

D<?>CH
       B<?>n d<?>ch ti<?>ng Vi<?>t c<?>a trang hu<?>ng d<?>n nay do

       th<?>c hi<?>n.

       B<?>n d<?>ch nay la Tai li<?>u Mi<?>n phi; d<?>c Gi<?>y phep Cong
       c<?>ng GNU Phien b<?>n 3 <https://www.gnu.org/licenses/gpl-3.0.html>
       ho<?>c m<?>i hon d<?> bi<?>t cac di<?>u kho<?>n b<?>n quy<?>n.  Chung
       toi cho r<?>ng KHONG CO TRACH NHI<?>M PHAP LY.

       N<?>u b<?>n tim th<?>y m<?>t s<?> sai sot trong b<?>n d<?>ch c<?>a
       trang hu<?>ng d<?>n nay, vui long g<?>i thu d<?>n TODO <>.

diffutils 3.10                Thang 5 nam 2023                         DIFF(1)