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SetFormat, alpha ...

 
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Beastmaster



Joined: 15 Apr 2004
Posts: 181
PostPosted: Thu Sep 30, 2004 8:14 pm    Post subject: SetFormat, alpha ... Reply with quote
I've to create an order file. Its format is specified, means each field of a data record has a fixed length.
All fields are right-justified. A field can contain numeric or alpha chars.
If numeric chars are used the field has to be padded with zeros. Thats no problem with AHK.

Quote:
Var = 12
SetFormat, float, 06.0
Var += 0 ; Sets Var to be 000012


But with literals there's no such option

Quote:
Var = ABCDEFGH
SetFormat, alpha, 30
Var += 0 ; Sets Var to be a 30 char string padded with spaces


Currently it needs some math Crying or Very sad and a Loop

Code:
Alphas = ABCDEFGH
FieldLen = 30
StringLen, NumAlphas, Alphas
FieldLen -= %NumAlphas%

Loop, %FieldLen%
     {
     FileAppend, %A_Space%, C:\MyFile.txt
     }
FileAppend, %Alphas%, C:\MyFile.txt


As there's a slight chance that I've overseen something in the helpfile, I've made that request here - instead on the wish list.
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Chris
Site Admin


Joined: 02 Mar 2004
Posts: 10480
PostPosted: Fri Oct 01, 2004 1:33 am    Post subject: Reply with quote
I think there is a slightly easier way to do it:
Code:
30Spaces = x                              x
StringReplace, 30Spaces, 30Spaces, x,, All
Alphas = ABCDEFGH
AutoTrim, off
PaddedString = %30Spaces%%Alphas%
StringRight, PaddedString, PaddedString, 30
MsgBox, "%PaddedString%"


You could also do the above with a loop that appends spaces to the beginning of the string based on its initial length. Both of these approaches would probably improve performance and reduce disk activity compared to the one you posted.

Because the need to add padding is somewhat rare, and because there are workarounds, I haven't added this to the wish list yet. If anyone else feels this is a common scripting requirement, feel free to add your vote.
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Beastmaster



Joined: 15 Apr 2004
Posts: 181
PostPosted: Fri Oct 01, 2004 9:18 am    Post subject: Reply with quote
Thx for your support Chris.

Beasty
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