Linux 命令大全
Linux wc命令用于計(jì)算字?jǐn)?shù)。
利用wc指令我們可以計(jì)算文件的Byte數(shù)、字?jǐn)?shù)、或是列數(shù),若不指定文件名稱、或是所給予的文件名為"-"linux命令linux命令,則wc指令會(huì)從標(biāo)準(zhǔn)輸入設(shè)備讀取數(shù)據(jù)。
wc [-clw][--help][--version][文件...]
參數(shù):
在默認(rèn)的情況下,wc將計(jì)算指定文件的行數(shù)、字?jǐn)?shù),以及字節(jié)數(shù)。使用的命令為:
wc testfile
先查看testfile文件的內(nèi)容,可以看到:
$ cat testfile Linux networks are becoming more and more common, but scurity is often an overlooked issue. Unfortunately, in today’s environment all networks are potential hacker targets, fro0m tp-secret military research networks to small home LANs. Linux Network Securty focuses on securing Linux in a networked environment, where the security of the entire network needs to be considered rather than just isolated machines. It uses a mix of theory and practicl techniques to teach administrators how to install and use security applications, as well as how the applcations work and why they are necesary.
wc testfile testfile_1 testfile_2 #統(tǒng)計(jì)三個(gè)文件的信息
輸出結(jié)果如下:
$ wc testfile testfile_1 testfile_2 #統(tǒng)計(jì)三個(gè)文件的信息 3 92 598 testfile #第一個(gè)文件行數(shù)為3、單詞數(shù)92、字節(jié)數(shù)598 9 18 78 testfile_1 #第二個(gè)文件的行數(shù)為9、單詞數(shù)18、字節(jié)數(shù)78 3 6 32 testfile_2 #第三個(gè)文件的行數(shù)為3、單詞數(shù)6、字節(jié)數(shù)32 15 116 708 總用量 #三個(gè)文件總共的行數(shù)為15、單詞數(shù)116、字節(jié)數(shù)708
Linux 命令大全
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