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ok, how about using find. To start with:

find . \( -name '*.org' -o -name '*.texi' \) | xargs head

man head

Ok, where exactly are stuck?

How about:
echo ${#text1} ${#text2} | awk '$1*$2{a=b=$1;($1>$2)?a=$2:b=$2;print int(100/a*b)}'

a bit simpler - the order doesn't matter:

echo ${#text1} ${#text2} | awk '{a=b=$1;($1>$2)?a=$2:b=$2;print (100/a*b) }'

As always... what have you tried so far and where exactly are stuck?

the paradigm for the ksh/bash-like shells is:

myVar="$(executeMyCommandHere)"

I don't know what "other special characters" means and I am not csh-savvy, but the following seem to work


#!/bin/csh

set uid = 'jij'
set a = `awk -v v2s="${uid}" '$2==v2s {print $3}'...

well, my condolences ;)
you can adopt the ksh/bash approach to csh as well...

it's not a matterof the shell version. It's a matter of using double-quotes when doing var assignment and (more importantly) when echo-ing the variable value.
See my initial response with colored...

ok, still no need for grep.

val2search='jij'

a="$(awk -v v2s="${val2search}" '$2==v2s {print $3}' testfile)"
echo "$a"

you probably have a file named Qm6Pnw in the direfctory you're running these commands in.
try:

a="$(awk '$2=="jij" {print $3}' testfile)"
echo "$a"

how about to start with - you can enhance it to match ONLY 6 or 8 chars (not 6 though 8 including 7) - left as an exercise:
grep -iE '^#[a-f0-9]{6,8}$' colours.txt

I don't know either...
Most likely because you're using Extended RegEx without telling grep to do so (-E)
could you provide a sample file and a desired output (as always)?

well... first, you'd need to define what makes the code "invalid".
Them look at your "text file" and try to determine the logical pattern how to make the "call".

Are you saying you're logging in to each "device" and running the script manually?
You think this would scale?
Why not to invest time/effort into automating this repetitive task?!

I don't follow... How creating a single script file will "create a lot more work" whether it gets run against one file/device or 50?
But if you insist:

#!/bin/ksh
awk '
{
idx=""
...

awk -F"," 'FNR==1{next}; ....'

what have you done so far and where exactly are stuck?
have you searched for similar threads in these fora?
have you checked the 10 More Discussions You Might Find Interesting at the bottom of this...

echo 'A: a b c dA: e f g hA: i j k lA: m n o p' | sed 's/.:/\n&/g' | sed '/^$/d'

wouldn't FNR>1 do the job?

for simplicity sake.... create a file cham.awk with the content as indicated in the post and execute the command line as indicated in the post.
There're other ways to execute what's been provided,...

a bit verbose (assuming 'drop' comes first), but....
awk -f cham.awk ruleSetFile.txt where cham.awk is:

{
idx=""
slide=(/drop/)?2:1
for(i=1;i<=NF-slide;i++)
idx=(i==1)?$i:idx $i
}...

thumbelina,
you'll have to debug your script (as you said) "taking it one step at a time" given the suggestions provided previously by RudyC and the others.
The best approach is to do the debugging...

change
LOG="pdb.lg psmseis.lg psyseis.lg"
to
LOG="{pdb.lg,psmseis.lg,psyseis.lg}"

Read up on Brace Expansion in your favorite shell's man page.

There're other issues with the script to...