Request for comments -- Directory favorites under bash

6 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Bash script to find comments in file

As I stated in a previous thread - I'm a newbie to Unix/Linux and programming. I'm trying to learn the basics on my own using a couple books and the exercises provided inside. I've reached an exercise that has me stumped. I need to write a bash script that will will read in a file and print the...

2. Shell Programming and Scripting

How to remove comments from a bash script?

I would like to remove comments from a bash script. In addition, I would like to remove lines that consist of only white spaces, and to remove blank lines. #!/bin/bash perl -pe 's/ *#.*$//g' $1 | grep -v ^]*$ | perl -pe 's/ +/ /g' > $2 # # $1 INFILE # $2 OUTFILE The above code...

3. Shell Programming and Scripting

Sed script, changing all C-comments to C++-comments

I must write a script to change all C++ like comments: // this is a comment to this one /* this is a comment */ How to do it by sed? With file: #include <cstdio> using namespace std; //one // two int main() { printf("Example"); // three }//four the result should be:

4. Shell Programming and Scripting

Directory Request

I want to write a script where it search for text in all the files in a directory ... this direcotry includes sub_directory which also contains list of files ... The for loop must pass by the list of files in directory and enters the subdiectory and list all its files.... Please i need...

5. Shell Programming and Scripting

Timing out lynx request in a bash script

I have a Bash script where, in a loop, I access several urls. Sometimes, if an url is not available, lynx hangs, and the script does not continue. How can I time out the lynx request when it takes more than, 10 Seconds, but continue with the other jobs... For some reason lynx does not care...

6. Shell Programming and Scripting

how can i remove comments in random positions in a file?(bash)

Suppose i have a file like this: #bla bla #bla bla bla bla bla Bla BLA BLA BLA #bla bla .... .... how can i remove all comments from every line,even if they are behind commands or strngs that are not comments? any idea how i could do that using awk?

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rbash

RBASH(1)						      General Commands Manual							  RBASH(1)

NAME

       rbash - restricted bash, see bash(1)

RESTRICTED SHELL

       If  bash  is  started with the name rbash, or the -r option is supplied at invocation, the shell becomes restricted.  A restricted shell is
       used to set up an environment more controlled than the standard shell.  It behaves identically to bash with the exception that the  follow-
       ing are disallowed or not performed:

       o      changing directories with cd

       o      setting or unsetting the values of SHELL, PATH, ENV, or BASH_ENV

       o      specifying command names containing /

       o      specifying a filename containing a / as an argument to the .  builtin command

       o      specifying a filename containing a slash as an argument to the -p option to the hash builtin command

       o      importing function definitions from the shell environment at startup

       o      parsing the value of SHELLOPTS from the shell environment at startup

       o      redirecting output using the >, >|, <>, >&, &>, and >> redirection operators

       o      using the exec builtin command to replace the shell with another command

       o      adding or deleting builtin commands with the -f and -d options to the enable builtin command

       o      using the enable builtin command to enable disabled shell builtins

       o      specifying the -p option to the command builtin command

       o      turning off restricted mode with set +r or set +o restricted.

       These restrictions are enforced after any startup files are read.

       When a command that is found to be a shell script is executed, rbash turns off any restrictions in the shell spawned to execute the script.

SEE ALSO

       bash(1)

GNU Bash-4.0							    2004 Apr 20 							  RBASH(1)

Shell Programming and Scripting