關於for cat 和while read 讀取文件的比較:IFS(internal field separa_枝葉飛揚_新浪博客 關於for cat 和 while read 讀取文件的比較: IFS(internal field separa_枝葉飛揚_新浪博客,枝葉飛揚, ... #!/bin/bash ...
bash - `while IFS= read -r` still not preserving whitespace? - Stack Overflow IFS='' while read -r p; do echo $p done <
While loop - Linux Shell Scripting Tutorial - A Beginner's handbook while IFS= read -r line do command1 on $line command2 on $line .. .... commandN done < ...
shell - Understanding IFS - Unix & Linux Stack Exchange 2011年12月13日 - IFS is typically discussed in the context of "field splitting". Is field ... while IFS= read -r line do echo $line done < /path_to_text_file. behave if we ...
Bash / KSH: Define Delimiter (IFS) While Using read ... 2012年7月25日 - Explains how to read a f field-by-field using while loop and read command with IFS under ksh / bash shell.
While loop - Bash Shell Scripting Directory For Linux / UNIX 跳到 Reading A Text File With Separate Fields - bin/bash file=/etc/resolv.conf # set field separator to a single white space while IFS=' ' read -r f1 f2 do echo ...
Bash, read line by line from file, with IFS - Stack Overflow 2010年12月8日 - file=/etc/resolv.conf while IFS= read -r line do # echo line is stored in $line ... the part I don't understand is IFS= and how it contributes to this ...
while IFS= read -r -d $'\0' file ... explanation - Stack Overflow 2013年8月13日 - while IFS= read -r -d $'\0'; do ...; done ... In Bash, varname=value command runs command with the environment variable varname set to value ...
IFS – Internal Field Separator | *nix Shell 2007年9月26日 - bin/sh oIFS=$IFS # Always keep the original IFS! IFS="," # Now set it to what we want the "read" loop to use while read qty product customer do ...
The read builtin command [Bash Hackers Wiki] while read -r; do line=$REPLY ... done < text.txt. To preserve leading and trailing whitespace in the result, set IFS to the null string: while IFS= read -r; ...