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awk '
NF && !/^ / {
ofile = $1
next
}
NF && /^ / {
print $1 >> ofile
close(ofile)
}
'...

did you reallly replace the space-^I in those charset sequences with space-<tab key>?

It should work pretty much anywhere. Sp those char set sequences are either:

[<space><tab>]
or...

Does it work to satisfaction as is? If yes, why incorporate it anywhere?

It checks for leading <TAB>s. If not found, use field as a file name. If found, print line into that file.

Try this instead since it is <TAB> separated:-
awk -F'[\t ]' '
NF == 1 {
ofile = $1
next
}
NF == 2 {
print $2 > ofile
...

Your file is <TAB> delimited, whic you didn't specify nor include in your sample . Try this adaption of Yoda's script (and try it on a small subset of your data):awk '!/^ / {OFN=$1; next} {print >...

Just for fun, place ^I with literal tab....


(sed -e '/^[ ^I]*$/d' -e '1s/^\([^ ^I].*\)/ cat >"\1" <<EOF/' -e '2,$s/^\([^ ^I].*\)/cat >"\1" <<EOF/' -e '/^cat/i\EOF' -e 's/^[ ^I]*//'...

Did you check the working directory you ran this awk program and verified that there are no output files?

If there are no output files, can you run below command and post the output:-
od -c...

awk '
NF && !/^ / {
ofile = $1
next
}
NF && /^ / {
print $1 >> ofile
close(ofile)
}
' input.txt

How about awk '/cn=/ {getline X; if (!X) print} ' file
cn=steve
cn=rob
cn=matt
?

---------- Post updated at 22:44 ---------- Previous update was at 22:43 ----------

Or evenawk '/cn=/...

Assuming that every segment in your file contains a cn=name line, this might be a little bit simpler (and more portable) to get the output you said you wanted:
awk 'NF==1' RS= file
Modifying your...

Just for fun:

(cat file;echo "") | sed -n -e '/^cn=/h;/^authtime=/{n;b};/^$/{x;p}'

With all of the help you got on your last request: Need help for count using shell (https://www.unix.com/shell-programming-and-scripting/261834-need-help-count-using-shell.html), you must have a good...

[buzzme]$ awk '/yahoo\.com/ && NF==2 {print $1}' RS= buzzme.file
user=alexander
user=paul
user=mike

[buzzme]$ awk '/yahoo\.com/ && NF>2 {print $1}' RS= buzzme.file
user=natasha
user=bipasha
...

Small variation:
awk -F= 'NF==4 && $4=="yahoo.com"{print $2}' RS= file
alexander
paul
mike

The condition for using RS= (set the RS variable to an empty string) is that the separation between...

users={}
mark=[]
with open("a.txt") as file:
for line in file:
line=line.replace("\n","")
if len(line)==0:
continue
if 'user=' in line:
user=line
else:
if user in users:...