Created
July 21, 2022 16:36
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Replace first line in a file (or insert first line)
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| #!/bin/bash | |
| # | |
| # Replace first line in a file | |
| # | |
| # Insert first line | |
| echo -e "a\nb" | sed '1i transcript_id\tlength' | |
| # Replace - remove and replace first line | |
| echo -e "a\nb" | tail -n+2 | sed '1i transcript_id\tlength' |
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