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This is a good start to something, thank you for that!

That is a really nice solution, but it applies to an input text file. In my script, each of those lines is a variable in a loop. I do this so I can place the output of the sed command as a new...

Hi,
I would like to find a 3-letter character series in a string/variable and replace it with x's.

An example set of strings is:

563MS333_101_afp_400-100_screening...

Hi,

I am trying to remove the caret symbol from a bash variable. This is the variable:
var="GOTAN^TOK^B"and this is the code I am trying to use to remove the caret symbol:
nocarrot=`echo $var |...

Both of them work perfectly. Many thanks to you both.

Hi,

I would like to extract a pattern from a line. The first two characters will always be the same in this pattern, but the proceeding numbers will not be, and the pattern will always be 6...

You're the best. Thanks!

This works great, but I actually realize my mistake in writing that I wished to retain everything but the line with the second occurrence of the pattern. I would like to retain everything in the text...

Hi,

I have a file:

5 T1AxialPremosaic ok 512 448 23 1 284000-000005-000001.dcm
6 T2_SPACE ok 256 256 176 1 465000-000006-000001.dcm
7 FLAIRmosaic ok 512 432 23 1 748000-000007-000001.dcm
8...

Hi,

I'm trying to compare the value in a field to the value in a variable using awk. This works:

awk '$7 == "101"'but this is what I want (and it doesn't work):


value=101
awk '$7 ==...

Thanks Guru. It prevented the output of any error messages, but the variable was empty unfortunately. I'll keep working on this, thanks anyway!

Hi,

I would like to set a variable using ls, but I need to be able to list two possibilities simultaneously, i.e., I'd like to do this all on one line. These are the two possible directories, but...

If I try sheelscripter's suggestion:



$sername=field_mapping

if [ $sername == *map* ] || [ $sername == *DTI*FA* ]; then echo "Found an FA tag in sername"; else echo "The variable sername is...

Hi,

I have a variable, $sername, and I would like to display this variable only if it *does not* contain either of these two tags: *DTI*FA* or *DIFF*FA*.

I think the syntax for my 'or'...

That was a perfect solution. Thanks!

Hi,

I have the following text file:

8 T1mapping_flip02 ok 128 108 30 1 665000-000008-000001.dcm
9 T1mapping_flip05 ok 128 108 30 1 665000-000009-000001.dcm
10 ...

Jim - once again, your code worked flawlessly. Thanks to all for the other solutions, too!

Hi,

I've been trying to replace the numbers in the first column of my text file with all ones, unless the number is equal to 8. I have this:

1 1 11 123 258
2 1 9 135 175
1 1 15 143 274...

That worked perfectly, thank you! There are ABC_1* dirs, but I just moved the asterisk, it was fine:

find /mypath/ABC_* -type d -name 'VISIT*'

Thanks again.

Hi!
I would like to funnel a series of directories and subdirectories into a text file. This is the output I would like to see from a find command:

/mypath/ABC_01/VISIT_01...