wc命令用来打印文件的文本行数、单词数、字节数等(print the number of newlines, words, and bytes in files)。在Windows的Word中有个“字数统计”的工具,可以帮我们把选中范围的字数、字符数统计出来。Linux下的wc命令可以实现这个功能。使用vi打开文件的时候,底下的信息也会显示行数和字节数。
Linux command wc 【Purpose】 Learning how to statistics line numbers in file 【Eevironment】 Ubuntu 16.04 terminal 【Procdeure】 $ cat test.sh #!/bin/bash echo "shell args option" echo "script name : $0" echo "first args : $1" echo "first args : $2" echo "first args : $3" echo...
# wc [options] filenames 以下是该命令提供的选项和用法。 OpenSuse Ubuntu Xubuntu Linux Mint Pearl Linux Slackware Mandriva 1. wc 命令的基本示例这 wc 不传递任何参数的命令将显示统计最长行的长度这 wc命令允许一个参数-L,可以用来打印最长行(number of characters) 的长度。所以,我们有最长的字符行(...
The Linuxwccommand calculates a file's word, line, character, or byte count. Far from just being a utility for word processing,wcis a useful tool for a variety of system tasks. [ Get theLinux commands cheat sheet. ] For basic usage, all you need is a file with some text in it. He...
on the command-line. */ if (optind < argc) { error (0, 0, _("extra operand %s"), quote (argv[optind])); fprintf (stderr, "%s\n", _("file operands cannot be combined with --files0-from")); usage (EXIT_FAILURE); } if (STREQ (files_from, "-")) stream = stdin; else ...
For example the command `(dd ibs=99k skip=1 count=0; ./wc -c) < /etc/group' should make wc report `0' bytes. */ if (count_bytes && !count_chars && !print_lines && !count_complicated) { off_t current_pos, end_pos; if (0 < fstatus->failed) fstatus->failed = fstat (fd...
1.cut -d delimiter -f fields eg. cut-d: -f1,3/etc/passwd 2.sort -n numeric-sort -r reverse -t delimiter -k sort via a key -u unique -f ignore upper case 3.uniq sorttest 12 13 12 12 uniq sorttest result: 12 13 12
(options.chars or options.words or options.lines):options.chars,options.words,options.lines=True,True,Trueifargs:total_lines,total_words,total_chars=0,0,0forfninargs:ifos.path.isfile(fn):withopen(fn)asfd:data=fd.read()lines,words,chars=get_Count(data)print_wc(options,lines,words,chars,...
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Without any options,lwcwill count the number of lines, words, and bytes in standard input, and write them to standard output. Contrary towc, it will also update standard output while it is still counting. All the standardwcoptionsare supported: ...