If the file is available in the specified location then while loop will read the file line by line and print the file content. In Bash, we can read a file line-by-line using a while loop and the read command. Remove any trailing newline from a line read, before it is assigned to an array element. If they both end up the same, I feel like < <(...) syntax looks cleaner, but I would rather not use that syntax if it actually creates and writes to a file. Hi All, Hope you guys had a wonderful weekend I have a scenario where in which I have to read a file line by line and check for few words before redirecting to a file I have searched the forum but,either those answers dint work (perhaps because of my wrong under standing of how IFS... (6 Replies) Discussion started by: Kingcobra. 841 6 6 gold signs 47 47 silver marks 101 101 bronze badge. In simpler words, the long string is split into several words separated by the delimiter and these words are stored in an array. There are the associative arrays and integer-indexed arrays. Some documentation here for mapfile, which is the same thing by another name In the latter, will Bash still write to the temp file, and then read that back in, or will it be smart enough to directly pipe input from the git commands into readarray? Elements in arrays are frequently referred to by their index number, which is the position in which they reside in the array. Bash Shell scripting – Read User Input February 28, 2017 admin Linux 0. We're using a while loop that runs a read command each time. The read command uses the -d '' option to specify the delimiter and it interprets the empty string as a NUL byte ( \0 ) (as Bash arguments can not contain NULs). test_array=(apple orange lemon) Access Array Elements. Read a line from the standard input and split it into fields. The option -a with read command stores the word read into an array in bash. The read builtin reads one line of data (text, user input, …) from standard input or a supplied filedescriptor number into one or more variables named by
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