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How can I pad numbers with leading zeroes using the seq command?

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Mahir

I had to generate a text file for a given range of numbers. As usual I had to use seq range_start range_end > text_file.txt to put it in a text file.

I gave the seq range where the starting point was 01700 and the ending point was 01800. I know it's useless to have 0 before the number but in my case it was important. The file generated had lines like 1700, 1701 ... 1800. But there was no 0 before the numbers as I put in the command.

How am I supposed to put 0 before every line in the file? Or, is there any way to generate the text with 0 in it before every line?

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seq
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vidarlo avatar Ubuntu
om flag
vidarlo

Try seq -w to keep consistent output width.

seq -w 01700 01800 will output 01700, 01701 etc.

As always, man seq should be your starting point when wondering about seq. Unix manpages are there for a reason, and very often solve such questions up front.

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