How to create single comma separated stack in Bash?
For each line in the file; chop off the first field and spaces following, chop off the remainder of the line following the second field and append to the hold space. Delete all lines except the last where we swap to the hold space and after deleting the introduced newline at the start, convert all newlines to , ‘s.
How to loop through space delimited strings in Bash?
Simple Unix way of looping through space-delimited strings? 1 load the file into a variable by filenames=’cat file_list’ 2 count the number of spaces, N, by tr -cd ‘ ‘
How to convert comma separated values into a list?
The command is working but the problem here is the number of fields is unknown. I have to place this command in a loop and iterate on the list so that I can extract the values one-by-one a redirect them to another file. Yes, you can use cut. The key point is the usage of –output-delimiter.
Is there an easier / more elegant way to loop through space-delimited strings?
I have a file, called file_list, containing space-delimited strings, each of which is a file name of a file to be processed. I now wish to loop through all the file names and process them one by one. Pseudocode is Is there an easier/more elegant way of doing this?
How do you convert a string into a comma?
Delete all lines except the last where we swap to the hold space and after deleting the introduced newline at the start, convert all newlines to , ‘s. which finds the string starting with +, followed by any string \\S\\+, then convert new line characters into commas.
How to split multiple lines into one line?
Slurp the file -0777 and then have it split on -F\\| ,i.e., wherever we see a pipe character followed by a newline character. The -a option will store the split fields into the array @F, which is zero-indexed.
How to concatenate multiple lines into one line?
The for loop loops over all the elements of the array @F and for each element, it changes all those newlines that do not see an end-of-string to their immediate right, (?!\\z), are substituted for a comma. Another method using POSIX ly sed editor. Here we load the pattern space as much as is needed to arrive at the decision to print it: