At work I've been moved from ksh to bash per our policy. I haven't configured a .profile or .cshrc before but when I first started the guy that trained me (on just what I need to know in order to do the job) let me copy his .profile, .cshrc, and .cshrc_aliases file so we could all use them and then upload them to each server on which we administer accounts. We've always used ksh as a default so I'm not sure why he had us put a .cshrc file as I believe this pertains to c shell but when i would edit this file it would definitely reflect the change so I just rolled with it.
Now I have to use bash and I just want to get a few tweaks implemented from .cshrc but the syntax appears wrong. For example, in my .cshrc I have one of many if/then statements:
Code:
echo $host
if ( $host == 'a.a.a.a.') then
setenv env 'development';
if ( $host == 'b.b.b.b') then
setenv env 'production';
where a.a.a.a and b.b.b.b represent hostnames in our company. I want to login to a devlopment, production, or other environment server and have my prompt reflect that I am in the respective environment. I noticed that in .cshrc the setenv seems to be the equivalent of export in .bashrc but I tried replacing all %s/setenv/export/g and I still received an error when sourcing my .bashrc:
Code:
-bash: export: `1': not a valid identifier
-bash: export: `.:<company_defined_paths_omitted>:/usr/local/bin:/usr/bin:/usr/sbin:/bin:': not a valid identifier
-bash: export: `a.a.a.a': not a valid identifier
-bash: export: `': not a valid identifier
-bash: .bashrc: line 55: syntax error: unexpected end of file
Again - a.a.a.a is a hostname in our company. Is there more to defining those aliases or am I using the export directive incorrectly?
I can't do it verbatim but I've edited the parts specific to my company:
Code:
#
# Profile
#
export POSIXLY_CORRECT 1
export PATH '.:<path_removed>:/usr/local/bin:/usr/bin:/usr/sbin:/bin:'
export host `uname -n`
export env '';
echo $host
if ( $host == 'a.a.a.a.') then
export env 'dev'
export host_group 'dev_environment:';
else if ( $host == 'b.b.b.b.') then
export env 'qa'
export host_group 'qa_environment:';
endif
#if( -e .bashrc_aliases) then
# source .cshrc_aliases
#endif
set prompt = "[%n@$env %~]"
Granted - this was all copied from my .cshrc file and the term "export" was replaced by "setenv". I haven't tried the aforementioned edit yet - not so sure the part: host) looks right with an open parenthesis but I'll try it later.
It's not just the export vs setenv that's different. The entire language is different. bash is not csh. You'll have to rewrite it as bash code. The example I posted for you would be a good start.
Last edited by Corona688; 08-15-2011 at 05:30 PM..
It's not just the export vs setenv that's different. The entire language is different. bash is not csh. You'll have to rewrite it as bash code. The example I posted for you would be a good start.
Corona thanks for your suggestion. As I stated earlier I pasted the contents of the find/replace without entering your edits yet as I have to continue my work as usual before I can test new configurations and I've been extremely busy.
Now, that being said I tried implementing what you suggested and I'm having a problem. I'm just trying to get SOMETHING working for starters so I'm trying this snippet in my .bashrc:
Code:
export $HOST `uname -n`
echo $HOST
case $HOST in
"a")
export $env="dev";
;;
"b")
export $env="prod";
;;
esac
where "a" and "b" are hostnames of servers in my company. Then I run source .bashrc and I keep getting an error message stating:
Code:
-bash: export: `a.a.a.a': not a valid identifier
where a.a.a.a is the fqdn of the host I'm using. Why is this happening?
export makes the NAME of your variable available to child processes. A variable has a NAME and a VALUE assigned with the EQUAL SIGN (=) in the form: name=value. An example in the bashrc that you posted should be->
Code:
POSIXLY_CORRECT=1
export POSIXLY_CORRECT
#which could be written as
export POSIXLY_CORRECT=1
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