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I'm hoping to create a .cl script to run in IRAF. I have a list of spectra on which I want to run dispcor. I was wondering if there's an easy way to paste the output file names with incrementing numbers. The lines look like this:

dispcor extracted_ori5_r1.0001.fits calibrated_ori5_r1.0001.fits

I want the output file name to increase (.0001, .0002, etc.). Any help would be greatly appreciated!

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  • 2
    So by "paste the output file names," do you mean that you need to paste text to a file, or do you want to actually generate the new files? – Tumbler41 Aug 2 '16 at 19:32
  • I just need to add the "calibrated_ori5_r1.0xxx.fits" to the end of each line in the text file with incrementing numbers. I will then run this cl script in IRAF. – catclark Aug 2 '16 at 19:36
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Starting point:

dispcor extracted_ori5_r1.0001.fits calibrated_ori5_r1.0001.fits

  1. Start recording in register a:

    qa

  2. Yank the line:

    yy

  3. Put it right under the current line:

    p

  4. Move the cursor to the first 0001:

    f.l

  5. Increment the number:

    <C-a>

  6. Move the cursor to the next 0001:

    ;;l

  7. Increment again:

    .

  8. Stop recording:

    q

  9. Play it back 23 times:

    23@a

In short:

qayypf.l<C-a>;;l.q
23@a

Result:

dispcor extracted_ori5_r1.0001.fits calibrated_ori5_r1.0001.fit
dispcor extracted_ori5_r1.0002.fits calibrated_ori5_r1.0002.fit
dispcor extracted_ori5_r1.0003.fits calibrated_ori5_r1.0003.fit
dispcor extracted_ori5_r1.0004.fits calibrated_ori5_r1.0004.fit
dispcor extracted_ori5_r1.0005.fits calibrated_ori5_r1.0005.fit
dispcor extracted_ori5_r1.0006.fits calibrated_ori5_r1.0006.fit
dispcor extracted_ori5_r1.0007.fits calibrated_ori5_r1.0007.fit
dispcor extracted_ori5_r1.0008.fits calibrated_ori5_r1.0008.fit
dispcor extracted_ori5_r1.0009.fits calibrated_ori5_r1.0009.fit
[...]
dispcor extracted_ori5_r1.0025.fits calibrated_ori5_r1.0025.fit
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  • Need to be a little careful with this. I'm not sure why I'm getting a different result than you, but because of the leading zero's when I do this my <C-a> assumes octal numbers and increments as such. – Tumbler41 Aug 2 '16 at 19:51
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    @Tumbler41 Try :set nrformats-=octal – DJMcMayhem♦ Aug 2 '16 at 20:00
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    @DJMcMayhem fair enough, but default behavior is to treat it as octal. So reader be wary. – Tumbler41 Aug 2 '16 at 20:07
  • @Tumbler41 this default is going to be changed (or did already with the latest Vim release) – Christian Brabandt Aug 2 '16 at 20:21
  • Yes you probably can. Could you add a sample to your question? – romainl Aug 2 '16 at 21:00
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Here is a different solution. Copy the line: yy, paste 23 times: 23p, go to the second line: :2, Move to the 0001: $F1, block select the range you want to be incremented <ctrl>vGh, increment each number sequentially: g<ctrl-a>

This needs a relative recent Vim, something like 7.4.1000 should do it.

Read the help at :h g_Ctrl-A

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  • I forgot to mention. I already have a list of the extracted files, and they skip around (i.e. 1, 2, 3, 4, 9, 10, etc.). Is there a way to use the same number that is found at the beginning of the line at the end of the line? – catclark Aug 2 '16 at 20:53
  • @catclark i don't understand the question – Christian Brabandt Aug 3 '16 at 12:01

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