Tej zaum qhov yooj yim tshaj los sib piv ob cov ntaub ntawv yog siv cov lus txib diff. Cov zis yuav qhia koj qhov sib txawv ntawm ob cov ntaub ntawv. Cov cim qhia seb cov kab ntxiv puas nyob hauv thawj () cov ntaub ntawv muab los ua kev sib cav.
Kuv yuav piv ob cov ntaub ntawv hauv Linux li cas?
Sib piv cov ntaub ntawv (diff command)
- Txhawm rau sib piv ob cov ntaub ntawv, ntaus cov hauv qab no: diff chap1.bak chap1. Qhov no qhia txog qhov sib txawv ntawm tshooj 1. …
- Txhawm rau sib piv ob cov ntaub ntawv thaum tsis quav ntsej qhov sib txawv ntawm qhov chaw dawb, ntaus cov hauv qab no: diff -w prog.c.bak prog.c.
How can I find the difference between two files?
diff stands for difference. This command is used to display the differences in the files by comparing the files line by line. Unlike its fellow members, cmp and comm, it tells us which lines in one file have is to be changed to make the two files identical.
2 txhais li cas hauv Linux?
38. Cov ntaub ntawv piav qhia 2 sawv cev txheem yuam kev. (lwm cov ntaub ntawv tshwj xeeb piav qhia suav nrog 0 rau tus qauv tswv yim thiab 1 rau cov qauv tsim tawm). 2> /dev/null txhais tau tias yuav hloov tus qauv yuam kev rau /dev/null . /dev/null yog ib lub cuab yeej tshwj xeeb uas muab pov tseg txhua yam uas tau sau rau nws.
Kuv yuav piv ob cov ntaub ntawv hauv UNIX li cas?
Muaj 3 cov lus txib yooj yim los sib piv cov ntaub ntawv hauv unix:
- cmp : Cov lus txib no yog siv los sib piv ob cov ntaub ntawv byte byte thiab raws li kev tsis sib haum xeeb tshwm sim, nws echoes nws ntawm qhov screen. yog tsis muaj mismatch tshwm sim kuv tsis teb. …
- comm : Cov lus txib no yog siv los nrhiav cov ntaub ntawv muaj nyob hauv ib qho tab sis tsis nyob hauv lwm qhov.
- txawv.
Kuv yuav piv ob cov ntaub ntawv hauv Windows li cas?
Nyob rau cov ntawv qhia ua ntaub ntawv thov, nyem Sib piv cov ntaub ntawv. Hauv Xaiv Thawj Cov Ntaub Ntawv dialog box, nrhiav thiab tom qab ntawd nyem lub npe cov ntaub ntawv rau thawj cov ntaub ntawv hauv kev sib piv, thiab tom qab ntawd nyem Qhib. Hauv Xaiv Cov Ntaub Ntawv Thib Ob dialog box, nrhiav thiab tom qab ntawd nyem lub npe cov ntaub ntawv rau cov ntaub ntawv thib ob hauv qhov sib piv, thiab tom qab ntawd nyem Qhib.
2 txhais li cas hauv bash?
2 refers to the second file descriptor of the process, i.e. stderr . > means redirection. &1 means the target of the redirection should be the same location as the first file descriptor, i.e. stdout .