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GNU sed and maybe BSD sed support ExtendedRE with a - r or -E option.
Then you can do a universal search:
sed -i -r '/(^|,)GETaboutUsCSS(,|$)/d' file
At the left side there must be either the...

Maybe try adding the "end of line" directive to your REGEX?

You can use $ to match the end of your REGEX, if you want to try.

Have a ^ anchor for the beginning of the line, and a $ anchor for the end of the line:
sed -i '/^GETaboutUsCSS$/d' file

You're close. Try
sed -r 's/([0-9])\/([0-9])/\1\t\2/' file
view pz19a0c0 1000T_J_3MoDw9DSLh1ZsCubdua-LKOQmbtiVgkIsiMbSiwF467?sessionId=15451401994597121249
view pz19a0c0 ...

Try
awk '
{X = 3 + int((NF-2) * rand())
print $(X-2), $(X-1), $X
}
' file

Hello Raghuram717,

Could you please try following(haven't tested it though).


awk '/^sdg-catalog/{close(file);file=$0;next} {print > file}' Input_file


Thanks,
R. Singh

Slight correction to Ravinder's suggestion:
awk '/^sdg-catalog/{close(file);file=$0;next} {print > file}' Input_file

That script should not output anything as BDT will be calculated to be zero, the epoch origin, and any timestamp in the data file will yield HCNT (hour count) gt 23 and force the script to exit.
But...

And, BTW, you might want to consider combining the solutions in this thread with the ones in your other thread...

In shell "pattern matching", (cf man bash). So, [1-24] matches 1, 2, and 4. For your case, you might want to try "brace expansion" (cf man bash):
echo file{1..24}
file1 file2 file3 file4 file5...

Try this for merging data according to the field 1 values, trying to keep the order of lines to the first file's. It partly takes care of $1 values disappearing or newly occurring, but does not care...

Try
awk -F, '
NR == 1 {for (i=1; i<=NF; i++) if ($i == SRCH) COL=i
HD = $1
}
FNR == 1 {FCNT++
HD = HD OFS SRCH
...

a bit verbose, but try: awk -f rag.awk file1 file2 where rag.awk is:

BEGIN {
FS=OFS=","
}
{idx=$1 OFS $2; _34=$3 OFS $4}
FNR==NR {if (FNR>1) f1[idx]=_34; next}
idx in f1 { print idx,...