Linked Questions

I cannot not use a shell variable in sed in the $NUMBER form. I have this line in my shell script: cat shared.txt sed 's/whatever1/$2 ... whatever2/' > shared2.txt The result in shared2.txt looks ...

SED command not replacing in bash under Debian, but works in command line. Works in command line: sed -i 's|/dev/disk/by-label/SR6D4|/dev/disk/by-label/SR4D4|g' /etc/my/config.xml Not working in ...

I am trying to replace matching string with other string. This is what I have ZKHOSTS="host1,host2,host3" old_string="tsd.storage.hbase.zk_quorum*" new_string="tsd.storage.hbase.zk_quorum = $ZKHOSTS" ...

I tried: $ echo $HOME | sed 's/$HOME/~/g but this didn't work, perhaps because of forward slashes? Does anyone have a script to do this either or: using bash builtins using sed Thank you

I want to sed using a variable. For example, sed -n '1,10p' file. So, instead of 10, I want to use $k where k is an integer.

Situation: echo "tell me a word" read the_word How to replace all WordToReplace in a file by the_word? sed does not seems to appreciate: sed -i 's/WordToReplace/$the_word/g' thefile.sh

I want to comment out a line (add a # to the beginning). I used this command: sed -i '96s/^/#&/' file.txt on Linux to insert comment at line # 96. If the line number is a variable, then how can I ...

I'm using sed to modify a file. In simple terms, my modifier looks as so sed -e '11s/$/ $LinuxUsername/' This is suppose to add in their linux username at the end of line 11, however, it is instead ...

My file data Pattern is below and i need output as 6 or 3 or 8 or 4 based on the variable value which is eth0 and eth1 eth0RX:6:eth0TX:3|eth1RX:8:eth1TX:4| Below code works well sed 's/.*eth0RX:\([0-...

There is a file named partner like: abc def ghi There is another conf file like: part=abc var=x var=y id=123 part=def var=z id=345 and so on... I am making a shellscript which reads line from '...

Although this seems like a simple task, the sed call is not substituting the value that I send for IP. Instead, it is replacing localhost with "${IP}". substitute() { export IP=$1 echo $IP ...

I have a file which has the following content: BWA='/software/bwa/bwa-0.7.12/bwa' SAMTOOLS='/software/samtools/samtools-1.3.1/samtools' The above tools are on my computer: which bwa => /work/...

I am completely new to sed script. I want to make a script so that it asks user to enter value to be inserted in file. I am not able to find the correct code so the line I have in the text file looks ...

I've tried this: echo $RANDOM | md5sum | head -c 20 | { read val; sed -i 's/__SALT__/$val/g' app.txt; } But this replaces __SALT__ with the string $val instead of the value in the variable.

One of the ways replacing a string with sed can be done as follows: sed -i 's/old_str/new_str/' file.txt However if replace.sh is sed -i 's/$1/$2/' $3 the command ./replace.sh old_str new_str file....