Loops as the name suggests are used to repeat the same task with specified conditions. Previously, in theguide to how to append to an array in bash,I used a simple for loop to print every element of an array and this guide is supposed to be an expansion of that part. And in this g...
break 2 ## break out of both while and for loops elif [ $RANDOM -lt 10000 ] then printf '"' break ## break out of the while loop fi done done echo 继续 在循环内部, continue命令通过传递任何剩余命令,立即开始循环的新迭代: for n in {1..9} ## See Brace expansion in Chapter 4 d...
BLAST是在蛋白质数据库或者基因数据库中进行相似性分析的工具,全称Basic Local Alignment Search...
for 循环 forloopin1 2 3 4 56doechoThe value is:$loopdone## 字符串forstrinThis is a stringdoecho$strdoneprintf"\n## 遍历数组\n"### 一for((i=0;i<${#arr[@]};i++))doecho${arr[i]}done;### 二forain${arr[@]}doecho${a}done### 三foriin"${!arr[@]}"doprintf"%s\t%s...
echo "You entered: $1, not what I was looking for." fi First let’s run the program with4as the first argument: bashsimpleelif.sh 4 ## 4 is my favorite number The condition in the IF statement was true, so only the firstechocommand was executed. Now let’s run the program with...
,则进入循环,执行命令区域,否则 不进入循环,介绍while 命令 行3,执行命令区域,这些命令中,
19 # 在for循环中20 echo -n "Values of \"a\" in the loop are: "21 for a in 7 8 9 1122 do23 echo -n "$a "24 done25 26 echo27 echo28 29 # 在read命令状态中30 echo -n "Enter \"a\" "31 read a32 echo "The value of \"a\" is now $a."...
# Loop from 0-VAR. VAR=50 for ((i=0;i<=VAR;i++)); do printf '%s\n' "$i" doneLoop over an arrayarr=(apples oranges tomatoes) # Just elements. for element in "${arr[@]}"; do printf '%s\n' "$element" doneLoop over an array with an index...
csv BASH脚本:给定用户输入,对TSV文件执行归一化上面的假设,正如你在评论中所说:如果指定了两列,则...
SIGINT not breaking loop with non-list function body Grisha Levit Re: SIGINT not breaking loop with non-list function body Chet Ramey segfault on initial word completion Grisha Levit Re: segfault on initial word completion Chet Ramey Re: segfault on initial word completion Grisha Levit Re:...