= yTrue if x is not equal to y. x ~ yTrue if the string x matches the regexp denoted by y. x !~ yTrue if the string x does not match the regexp denoted by y. subscript in array True if the array array has an element with the subscript subscript.6.7 表达式间的逻辑关系符...
($4,arr,",") ##Using split to split 4th field into array arr with delimiter of , for(i=1;i<=num;i++){ ##Running for loop till value of num(total elements of array arr). if(arr[i]=="adm1"){ ##Checking condition if arr[i] value is equal to adm1 then do following. ...
= y True if x is not equal to y. x ~ y True if the string x matches the regexp denoted by y. 这表示如果x匹配y这个模式,则为真;否则为假;y是一个模式 x !~ y True if the string x does not match the regexp denoted by y. 这个表示如果x不匹配y这个模式,结果则为真;否则为假;y是...
NF != 3 { print $0, "number of fields is not equal to 3" } $2 < 3.35 { print $0, "rate is below minimum wage" } $2 > 10 { print $0, "rate exceeds $10 per hour" } $3 < 0 { print $0, "negative hours worked" } ...
x != y Trueif x is not equal to y. x ~ y Trueif the string x matches the regexp denoted by y. x !~ y Trueif the string x does not match the regexp denoted by y. subscript in array True if the array array hasan element with the subscript subscript. ...
x >= yTrue if x is greater than or equal to y. x == yTrue if x is equal to y. x != yTrue if x is not equal to y. x ~ yTrue if the string x matches the regexp denoted by y. x !~ yTrue if the string x does not match the regexp denoted by y. ...
index-expression可以使用任意字符串;需要注意的是,如果某数据组元素事先不存在,那么在引用其时,awk会自动创建此元素并初始化为空串;因此,要判断某数据组中是否存在某元素,需要使用indexinarray的方式。 要遍历数组中的每一个元素,需要使用如下的特殊结构:for(varinarray) { statement1, ... } ...
x == y True if x is equal to y. x != y True if x is not equal to y. x ~ y True if the string x matches the regexp denoted by y. x !~ y True if the string x does not match the regexp denoted by y. subscript in array True if the array array has an element with ...
x == y Trueif x is equal to y. x != y Trueif x is not equal to y. x ~ y Trueif the string x matches the regexp denoted by y. x !~ y Trueif the string x does not match the regexp denoted by y. subscript in array True if the array array hasan element with the subscr...
x >= yTrue if x is greater than or equal to y. x == yTrue if x is equal to y. x != yTrue if x is not equal to y. x ~ yTrue if the string x matches the regexp denoted by y. x !~ yTrue if the string x does not match the regexp denoted by y. ...