Ukuze ufomethe idethi ngefomethi ye-YYYY-MM-DD, sebenzisa idethi yomyalo +%F noma printf “%(%F)Tn” $EPOCHSECONDS . Inketho ye-%F iyisibizo se-%Y-%m-%d . Le fomethi iyifomethi ye-ISO 8601.
Ngiyishintsha kanjani ifomethi yedethi ku-bash?
Ifomethi Yosuku Lwe-Bash MM-YYYY
Ukufometha idethi ngefomethi ethi MM-YYYY, sebenzisa idethi yomyalo +%m-%Y .
Ithini ifomethi yedethi ye-Unix?
Isikhathi se-Unix ngu-a ifomethi yesikhathi sedethi esetshenziselwa ukuveza inombolo yama-millisecond adlule kusukela ngomhla ka-January 1, 1970 00:00:00 (UTC). Isikhathi se-Unix asiwabambi amasekhondi engeziwe avela osukwini olwengeziwe lweminyaka ye-leap.
Ngilubonisa kanjani usuku kuShell?
Isampula yeskripthi segobolondo ukubonisa idethi yamanje nesikhathi
#!/bin/bash now=”$(date)” printf “Idethi yamanje nesikhathi %sn” “$now” now=”$(idethi +'%d/%m/%Y')” printf “Idethi yamanje ngefomethi ethi dd/mm/yyyy %sn” “$now” echo “Ukuqala ukwenza isipele kokuthi $manje, sicela ulinde…” # umyalo wokwenza isipele umbhalo ungene lapha # …
Ngisifometha kanjani iskripthi segobolondo?
Ungabhala Kanjani Iskripthi SeShell ku-Linux/Unix
- Dala ifayela usebenzisa umhleli we-vi (noma yimuphi omunye umhleli). Qamba ifayela lombhalo elinesandiso. sh.
- Qala iskripthi nge-#! /bin/sh.
- Bhala ikhodi.
- Londoloza ifayela lombhalo njenge-filename.sh.
- Ukuze usebenzise uhlobo lombhalo bash filename.sh.
Ngilushintsha kanjani usuku ku-terminal ye-Linux?
Iseva newashi lesistimu kumele kube ngesikhathi.
- Setha idethi kusukela osukwini lomugqa womyalo +%Y%m%d -s “20120418”
- Setha isikhathi kusukela osukwini lomugqa womyalo +%T -s “11:14:00”
- Setha isikhathi nosuku kusukela osukwini lomugqa womyalo -s “19 APR 2012 11:14:00”
- Idethi yokuhlola ye-Linux kusukela ngosuku lomugqa womyalo. …
- Setha iwashi lehadiwe. …
- Setha izoni yesikhathi.
Iyiphi ifomethi yesitembu sesikhathi lesi?
Ukuhlaziya isitembu sesikhathi esizenzakalelayo
| Ifomethi yesitembu sesikhathi | Isibonelo |
|---|---|
| yyy-MM-dd*HH:mm:ss | 2017-07-04*13:23:55 |
| yy-MM-dd HH:mm:ss,SSS ZZZZ | 11-02-11 16:47:35,985 +0000 |
| yy-MM-dd HH:mm:ss,SSS | 10-06-26 02:31:29,573 |
| yy-MM-dd HH:mm:ss | 10-04-19 12:00:17 |
Ngisifunda kanjani isitembu sesikhathi se-Unix?
Kalula nje, isitembu sesikhathi se-Unix sinjalo indlela yokulandelela isikhathi njengesamba esisebenzayo samasekhondi. Lokhu kubala kuqala ku-Unix Epoch ngoJanuwari 1, 1970 e-UTC. Ngakho-ke, isitembu sesikhathi se-Unix siyinombolo nje yamasekhondi phakathi kwedethi ethile ne-Unix Epoch.
Usisebenzisa kanjani iskripthi njalo ngemizuzwana eyi-10?
Sebenzisa lala Command
Esimeni lapho kungokokuqala uzwa ngomyalo "wokulala", usetshenziselwa ukubambezela okuthile isikhathi esithile esicacisiwe. Emibhalweni, ungayisebenzisa ukuze utshele iskripthi sakho ukuthi sisebenzise umyalo 1, linda imizuzwana eyi-10 bese usebenzisa umyalo 2.
Ngiwubonisa kanjani umugqa wokugcina wefayela?
Ukuze ubheke imigqa embalwa yokugcina yefayela, sebenzisa umyalo womsila. umsila usebenza ngendlela efanayo neyekhanda: thayipha umsila kanye negama lefayela ukuze ubone imigqa yokugcina eyi-10 yalelo fayela, noma thayipha igama lefayela elithi tail -number ukuze ubone imigqa yenombolo yokugcina yefayela. Zama ukusebenzisa umsila ukuze ubheke imigqa emihlanu yokugcina yakho.
Imuphi umyalo ozobonisa unyaka kusukela kumyalo wedethi?
Izinketho zefomethi ye-Command ye-Linux
Lezi yizinhlamvu zokufometha ezivame kakhulu zomyalo wedethi: %D – Idethi yokubonisa njenge mm/dd/yy. %Y - Unyaka (isb, 2020)
Ngiluphrinta kanjani usuku ngefomethi ethi dd mm yyyy ku-Unix?
Ukuze ufomethe idethi ngefomethi ethi DD-MM-YYYY, sebenzisa idethi yomyalo +%d-%m-%Y noma printf “%(%d-%m-%Y)Tn” $EPOCHSECONDS .