6 Awọn apẹẹrẹ Aṣẹ WC lati ka Nọmba Awọn Laini, Awọn ọrọ, Awọn ohun kikọ ni Lainos
Wc (kika ọrọ) pipaṣẹ ni awọn ọna ṣiṣe Unix/Linux ni a lo lati wa nọmba ti kika tuntun, kika ọrọ, baiti ati kika awọn ohun kikọ ninu awọn faili kan pato nipasẹ awọn ariyanjiyan faili. Iṣọpọ ti aṣẹ wc bi a ṣe han ni isalẹ.
# wc [options] filenames
Atẹle ni awọn aṣayan ati lilo ti a pese nipasẹ aṣẹ.
wc -l : Prints the number of lines in a file. wc -w : prints the number of words in a file. wc -c : Displays the count of bytes in a file. wc -m : prints the count of characters from a file. wc -L : prints only the length of the longest line in a file.
Nitorinaa, jẹ ki a wo bii a ṣe le lo aṣẹ 'wc' pẹlu awọn ariyanjiyan wọn ti o wa ati awọn apẹẹrẹ diẹ ninu nkan yii. A ti lo faili 'tecmint.txt' fun idanwo awọn ofin. Jẹ ki a wa abajade ti faili nipa lilo pipaṣẹ ologbo bi a ṣe han ni isalẹ.
cat tecmint.txt Red Hat CentOS Fedora Debian Scientific Linux OpenSuse Ubuntu Xubuntu Linux Mint Pearl Linux Slackware Mandriva
1. Apẹẹrẹ Ipilẹ ti WC Command
Aṣẹ 'wc' laisi ṣiṣafihan eyikeyi paramita yoo han abajade ipilẹ ti ”faili tecmint.txt. Awọn nọmba mẹta ti o han ni isalẹ wa ni 12 (nọmba awọn ila), 16 (nọmba awọn ọrọ) ati 112 (nọmba awọn baiti) ti faili naa.
wc tecmint.txt 12 16 112 tecmint.txt
2. Ka Nọmba Awọn Laini
Lati ka nọmba awọn tuntun ni faili kan lo aṣayan '-l', eyiti o tẹ nọmba awọn ila lati faili ti a fun. Sọ, aṣẹ atẹle yoo han iye ti awọn tuntun ni faili kan. Ninu iṣẹjade akọkọ ti a fiweranṣẹ sọtọ bi kika ati aaye keji ni orukọ faili.
wc -l tecmint.txt 12 tecmint.txt
3. Nọmba Ifihan ti Awọn ọrọ
Lilo ariyanjiyan '-w' pẹlu aṣẹ 'wc' tẹ nọmba awọn ọrọ inu faili kan. Tẹ aṣẹ atẹle lati ka awọn ọrọ inu faili kan.
wc -w tecmint.txt 16 tecmint.txt
4. Ka Nọmba ti Awọn Baiti ati Awọn ohun kikọ
Nigba lilo awọn aṣayan '-c' ati '-m' pẹlu aṣẹ 'wc' yoo tẹ nọmba lapapọ ti awọn baiti ati awọn kikọ sii lẹsẹsẹ ninu faili kan.
wc -c tecmint.txt 112 tecmint.txt
wc -m tecmint.txt 112 tecmint.txt
5. Ifihan gigun ti Laini to gunjulo
Aṣẹ 'wc' gba ariyanjiyan laaye '-L', o le ṣee lo lati tẹ sita ipari gigun (nọmba awọn kikọ) laini ninu faili kan. Nitorinaa, a ni laini ohun kikọ ti o gunjulo ('Linux Linux Scientific') ninu faili kan.
wc -L tecmint.txt 16 tecmint.txt
6. Ṣayẹwo Awọn aṣayan WC Diẹ sii
Fun alaye diẹ sii ati iranlọwọ lori aṣẹ wc, ṣiṣe ṣiṣe ni ‘wc –help’ tabi ‘man wc’ lati laini aṣẹ.
wc --help Usage: wc [OPTION]... [FILE]... or: wc [OPTION]... --files0-from=F Print newline, word, and byte counts for each FILE, and a total line if more than one FILE is specified. With no FILE, or when FILE is -, read standard input. -c, --bytes print the byte counts -m, --chars print the character counts -l, --lines print the newline counts -L, --max-line-length print the length of the longest line -w, --words print the word counts --help display this help and exit --version output version information and exit Report wc bugs to [email GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> For complete documentation, run: info coreutils 'wc invocation'