Batch split text by line in LINUX system and name it with the content before TAB

Oct 4, 2024116

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The document provides instructions for splitting a file in a Linux system based on delimiters. 1. **Tab-separated files**: Use the command `awk -F'\t' '{print > "" $1 ".txt"}' 000.txt` to split a file named `000.txt` into multiple files, naming them based on the content before the tab in each line. 2. **Space-separated files**: Use the command `awk '{for (i=1; i $1 ".txt"}' 000.txt` to achieve a similar result for files separated by spaces. In both cases, the prefix for the output filenames can be specified or left empty.

1. TAB Separation#

Split files by line in LINUX system
Name each file based on the content before the TAB in each line
Only one command is needed
awk -F'\t' '{print > "" $1 ".txt"}' 000.txt
Here it is assumed that the file to be split is 000.txt
You can write the prefix for the split file name in the quotes or leave it empty

2. Space Separation#

Split files by line in LINUX system
Name each file based on the content before the space in each line
Only one command is needed
awk '{for (i=1; i<=NF; i++) print $i " " $i > $1 ".txt"}' 000.txt
Here it is assumed that the file to be split is 000.txt
You can write the prefix for the split file name in the quotes or leave it empty