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Adding lines to files based on their names

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Top Forums Shell Programming and Scripting Adding lines to files based on their names
# 8  
Old 06-25-2010
So long as the reference ids (1a, 1b, 6) are valid sh varname sequences (alphanumeric and underscore), and the replacement text does not contain a "." on a line by itself (this tells ed to exit insert mode):
Code:
#!/bin/sh

_r1a='>Reference1a
AGCATGACGATCAGTGTGCGGGTGA'

_r1b='>Reference1b
AGCATGTGTGCGGGTGA'

_r6='>Reference6
AGCATGTGTGCGGGTGATTTTTT'

for f in *.fas; do
    printf '1i\n%s\n.\nw\nq\n' "$(eval echo \"\$_r"${f%%-*}"\")" | ed -s "$f"
done

# 9  
Old 06-25-2010
Code is not working
alister,

I have tried your code
Code:
#!/bin/sh

_r1a='>Reference1a
AGCATGACGATCAGTGTGCGGGTGA'

_r1b='>Reference1b
AGCATGTGTGCGGGTGA'

_r6='>Reference6
AGCATGTGTGCGGGTGATTTTTT'

for f in *.fas; do
    printf '1i\n%s\n.\nw\nq\n' "$(eval echo \"\$_r"${f%%-*}"\")" | ed -s "$f"
done

And this is what I am getting
Quote:
/bin/sh^M: bad interpreter: No such file or directory
I am missing something?
# 10  
Old 06-25-2010
Did you create that script under Windows? If that is the case, first run:
Code:
dos2unix script.sh

Then rerun your script.
# 11  
Old 06-25-2010
Linux Red Hat
No, I used gedit. Is it working in your end?
# 12  
Old 06-25-2010
Quote:
Originally Posted by Xterra
No, I used gedit. Is it working in your end?
I didn't try it on my test machine, but that error you are seeing means that illegal control character is appended to the end of the first line. Did you try using "dos2unix" on that file? As for the gedit.. Maybe you have character encoding misconfigured there? If it is set to something like DOS, then editor will insert those "^M" characters at the end of every line. Did you use gedit to write scripts earlier without problems?
# 13  
Old 06-25-2010
dos2unix
I did use it and I this is what I am getting
Quote:
?
?
?
# 14  
Old 06-25-2010
I would suggest to use some other editor to write your script.. You can use
Code:
nano

it is very easy to use, with all CTRL+ commands printed on the bottom. I'm sure that if you use it to create that script, it will run.
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