两个字符串比较大小: 一、可以用compareTo()方法,另外还有compareToIgnoreCase(String) 忽略大小写及 compareTo(object string)这些 方法返回值是int, 以compareTo()方法为例: 1 .如果字符串相等返回值为0,不等返回其他数值。 比较方法是先比较对应 ios 与 字符串 字符串比较 java 字符串的比较大小 字符串 Syst...
/bin/bash # Script to do string equality comparison name=linuxtechi if [ $USER = $name ] then echo "User exists" else echo "User not found" fi # script to check string comparisons var1=a var2=z var3=Z if [ $var1 \> $var2 ] then echo "$var1 is greater" else echo "$var...
/bin/bash # Script to do string equality comparison name=linuxtechi if [ $USER = $name ] then echo "User exists" else echo "User not found" fi # script to check string comparisons var1=a var2=z var3=Z if [ $var1 \> $var2 ] then echo "$var1 is greater" else echo "$var...
/bin/bash # Script to do string equality comparison name=linuxtechi if [ $USER = $name ] then echo "User exists" else echo "User not found" fi # script to check string comparisons var1=a var2=z var3=Z if [ $var1 \> $var2 ] then echo "$var1 is greater" else echo "$var...
Bash string comparison It is advisable always to check and compare if two strings are equal in a Bash script; this is quite important for different reasons. If two strings are equal in a Bash script, it implies that both strings have the same length and character sequence. The “if” stat...
passwd文件格式->root:x:0:0:root:/root:/bin/bash login name:登录用名(wang) passwd:密码 (x) UID:用户身份编号 (1000) GID:登录默认所在组编号 (1000) GECOS:用户全名或注释 home directory:用户主目录 (/home/wang) shell:用户默认使用shell (/bin/bash)...
#return 0 if the two string is equal, return 1 if $1 < $2, else 2 strCompare() { local x=0 if [ "$1" != "$2" ]; then x=2 local TEMP=`printf "%s\n%s" "$1" "$2"` local TEMP2=`(echo "$1"; echo "$2") | sort` ...
(stdin) to the next one sort Sort lines of text files -n, --numeric-sort Compare according to string numerical value -r, --reverse Reverse the result of comparisons | A pipe serves the sdout of the previous command as input (stdin) to the next one head Output the first part of ...
awk=“AhoWeibergerandKernighan”三个作者的姓的第一个字母bash=BourneAgainSHellbc=Basic(Better)Calculatorbg=BackGroundbiff=作者HeidiStettner在U.C.Berkely养的一条狗,喜欢对邮递员汪汪叫。cal=Calendar(日历)cat=Catenate(链接)cd=ChangeDirectorychgrp=ChangeGroupchmod=ChangeModechown=ChangeOwnerchsh=ChangeShellcmp...
PS = Prompt String Perl= “Pratical Extraction and Report Language”(实际的抽取和报告语言) =”Pathologically Eclectic Rubbish Lister” Python得名于电视剧Monty Python’s Flying Circus Tcl = Tool Command Language Tk = ToolKit VT = Video Terminal ...