10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have a Zsh script which invokes another program. One of the paramters to be passed, should be a literal tab, i.e what in common programming languages is often written as "\t".
If it were bash, I think I could use the special form
$"\t"
but this doesn't seem to work (the called program... (5 Replies)
Discussion started by: rovf
5 Replies
2. Shell Programming and Scripting
Hello.
I am using :
sed -i -e '/§name_script§/a#'"${MY_TAB11}"'# \
#'"${MY_TAB1}"'The Standard way'"${MY_TAB7}"'# \
#'"${MY_TAB1}"'==============='"${MY_TAB7}"'# \ ' "$CUR_FILE"
Is there a better way to define "MY_TAB7","MY_TAB11" in other way than :
MY_TAB1=$'\t'
MY_TAB2=${MY_TAB1}$'\t'... (2 Replies)
Discussion started by: jcdole
2 Replies
3. UNIX for Dummies Questions & Answers
I am trying to remove the tab character from a file, which occurs on two places in every line. So far I have tried the following and most are from threads in this forum:
sed -i '' -e 's/ / /' file.dat
sed -i '' -e 's/*/ /' file.dat
sed -i '' -e 's/\t*/ /g' file.dat
sed -i '' -e 's/*//g'... (4 Replies)
Discussion started by: figaro
4 Replies
4. UNIX for Dummies Questions & Answers
I would like to display the last 8 characters of the filenames for filenames of different lengths.
I can delete the last 8 characters with sed but dont know how to only show the last 8 characters.
The filenames are something like;
afxH340800340000
afxH30800340021
afxR3080034002122
I... (3 Replies)
Discussion started by: Beanz
3 Replies
5. Shell Programming and Scripting
I would like to remove characters from column 7 so that from an input file looking like this:
>HWI-EAS422_12:4:1:69:89 GGTTTAAATATTGCACAAAAGGTATAGAGCGT U0 1 0 0 ref_chr8.fa 6527777 F DD
I get something like that in an output file:
... (13 Replies)
Discussion started by: matlavmac
13 Replies
6. Shell Programming and Scripting
Hi,
I am having trouble using the result of the following awk command in a script, as displaying the contents of the placeholder automatically replaces the new created TAB by a space character again:
From the prompt:
cscyabl@comet:(develop)> echo "01 12" | awk '{gsub(" ","\t");print}'
01 ... (2 Replies)
Discussion started by: Indalecio
2 Replies
7. Shell Programming and Scripting
Hi everybody,
I'm using Hp unix tru64.
I have generate one file from shell script.
bus that file content pre "8 space char" convert one tab character.
why?
result file hex format:
hex 20 20 20 20 20 to 09 (6 Replies)
Discussion started by: Tlg13team
6 Replies
8. UNIX for Advanced & Expert Users
no problem (6 Replies)
Discussion started by: angelina
6 Replies
9. UNIX for Dummies Questions & Answers
im having trouble doing this:
i have a variable with 2 characters repeating e.g. aababbbaaaababaabbaabbba
is there a way i can search the variable for a's and b's and then change a's to b's and b's to a's?
im guessing its like getting the 1's compliment of the string
im doing this in... (2 Replies)
Discussion started by: vipervenom25
2 Replies
10. Shell Programming and Scripting
hi all,
if i do an:
"echo $string |" what should be after the pipe to display ONLY the last char of the output?
tia,
DN2 (9 Replies)
Discussion started by: DukeNuke2
9 Replies
exit(1) User Commands exit(1)
NAME
exit, return, goto - shell built-in functions to enable the execution of the shell to advance beyond its sequence of steps
SYNOPSIS
sh
exit [n]
return [n]
csh
exit [ ( expr )]
goto label
ksh
*exit [n]
*return [n]
DESCRIPTION
sh
exit will cause the calling shell or shell script to exit with the exit status specified by n. If n is omitted the exit status is that of
the last command executed (an EOF will also cause the shell to exit.)
return causes a function to exit with the return value specified by n. If n is omitted, the return status is that of the last command exe-
cuted.
csh
exit will cause the calling shell or shell script to exit, either with the value of the status variable or with the value specified by the
expression expr.
The goto built-in uses a specified label as a search string amongst commands. The shell rewinds its input as much as possible and searches
for a line of the form label: possibly preceded by space or tab characters. Execution continues after the indicated line. It is an error to
jump to a label that occurs between a while or for built-in command and its corresponding end.
ksh
exit will cause the calling shell or shell script to exit with the exit status specified by n. The value will be the least significant 8
bits of the specified status. If n is omitted then the exit status is that of the last command executed. When exit occurs when executing
a trap, the last command refers to the command that executed before the trap was invoked. An end-of-file will also cause the shell to exit
except for a shell which has the ignoreeof option (See set below) turned on.
return causes a shell function or '.' script to return to the invoking script with the return status specified by n. The value will be the
least significant 8 bits of the specified status. If n is omitted then the return status is that of the last command executed. If return
is invoked while not in a function or a '.' script, then it is the same as an exit.
On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:
1. Variable assignment lists preceding the command remain in effect when the command completes.
2. I/O redirections are processed after variable assignments.
3. Errors cause a script that contains them to abort.
4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari-
able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not
performed.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
break(1), csh(1), ksh(1), sh(1), attributes(5)
SunOS 5.10 15 Apr 1994 exit(1)