Below is anexample Bash scriptwhich takes the stringsplitMeand returns items based on their position in the string split at the commas (,): #!/bin/bash # Define a comma-separated string splitMe='apple,banana,grape,kiwi' # Get the first item in the split string firstItem="$(echo $spli...
_repeat() { #@ USAGE: _repeat string number _REPEAT=$1 while (( ${#_REPEAT} < $2 )) ## Loop until string exceeds desired length do _REPEAT=$_REPEAT$_REPEAT$_REPEAT ## 3 seems to be the optimum number done _REPEAT=${_REPEAT:0:$2} ## Trim to desired length } repeat() { ...
ffset[:length]} parameter substring operator the ${param/pat[/string]} parameter pattern substitution operator expansions to perform substring removal (${p%[%]w}, ${p#[#]w}) expansion of positional parameters beyond $9 with ${num} variables: BASH, BASH_VERSION, BASH_VERSINFO, UID, EUID...
我使用hive的jdbc,insert中文进一张hive表,指定项目编码和hive表的编码都不管用,仍然乱码。解决方法:hive jdbc存数据的时候把字符串转一下编码(第三列是中文字段) String p1 = tmp.get(i).split(",")[0]; String p2 = tmp. hive comment中文乱码...
IFS The Internal Field Separator that is used for word splitting after expansion and to split lines into words with the read builtin command. The default value is ''. IGNOREEOF Controls the action of an interactive shell on receipt of an EOF character as the sole input. If set, the value...
The variable$addrsstring is passed to thereadcommand in the script below. TheIFSsets the delimiter that acts as a word boundary on the string variable. This means the-is the word boundary in our case. The-aoption tells thereadcommand to store the words that have been split into an array...
the particular string which was found by the last search command. This can cause less to run somewhat faster than the default. -G or --HILITE-SEARCH The -G option suppresses all highlighting of strings found by search commands. -hn or --max-back-scroll=n ...
嵌套for循环 for循环中的for循环 代码 # coding:utf-8 a = [1, 2, 3] b = [4, 5, 6] ...
Split a string on a delimiterCAVEAT: Requires bash 4+This is an alternative to cut, awk and other tools.Example Function:split() { # Usage: split "string" "delimiter" IFS=$'\n' read -d "" -ra arr <<< "${1//$2/$'\n'}" printf '%s\n' "${arr[@]}" }...
Using for loop to read a list of string values with spaces When a list of a string is read byfor-inloop and any string value contains space then the values split into words based on space if the string value is not quoted with a single or double quotation. The following example shows...