I've forgotten how to use a filename parameter
using sed inside a shell script. What I want to do is
replace a string inside a file with the name of
the file being processed.
I think this should work ..
for filename do
sed -e "s/xxx/$filename/" ...
...
done
Thanks!
Ps: ... (5 Replies)
I'm trying to make a bash shell script that will allow a user to modify another file based on input they give. Maybe someone can see what I'm doing wrong here. I'm still pretty new at this...
Let's say my temp file contains this:
0 1 HELLO 3 4
And here's the code:
old=(0 1 3 4)
new=(zero... (2 Replies)
Hi all,
I have a data file formatted as in the following line:
Achadd 0:35 1:35 2:35 3:40 4:40 5:40
I need the minutes converted to seconds; I wrote a script, min2sec, to do so for one datapoint. I was hoping to use sed as in the following code to call this script and... (4 Replies)
Hi
The following code seems to work, but why am i getting an error message?
cscyabl@comet:(develop)> awk 'BEGIN {FS="|"}{print $2 >> $1}' test.sum
awk: A print or getline function must have a file name.
The input line number is 8. The file is test.sum.
The source line number is 1.
... (2 Replies)
sed -n '57p' filename
My file contains 57 lines ,the above command prints the 57 th line,but i want to assign the result of this to a variable, to compare with another line in a different file
suggest me some idea
if i directly use this to assign with variable like h=sed -n '57p' filename... (2 Replies)
Hello All,
I'm trying to write a script that will perform a dynamic match (of a dynamic variable) and set a variable to have the resulting (match) value.
The idea is that the environment variable to check ($1) and the regular expression to use ($2) are given as parameters.
For example,... (5 Replies)
Hi Experts,
Please let me know how to below situation:
Looking for:
sed "${linenum}d" $filename > $filename _Without_7C
Working Command:
sed "${linenum}d" A020820122200.tis2webGMNA001_GDS_DIDOut.txt > A020820122200.tis2webGMNA001_GDS_DIDOut.txt_Without_7C
appriciate if you can... (7 Replies)
I came across this sed expression, and it does exactly what I want.
However I haven't got the faintest clue how it does it and thus do not feel capable of using it.
Can someone please explain how this expression works?
(I used it to remove html tags in a html file I was converting to text)
... (3 Replies)
Hello,
Is it possible to embed the command output to the replacement of sed? Say I need to replace all the blank lines with random strings:
input:
ACCTTCGTCTTCTGG
GCTTGAGATGGTCCA
GCAGGGCTAGTGACG
GACGAGTCTCTTGAC
ACCAAATCAAAGATCand output is:
>26aa36d934d44f06d15b3aab4645a602 $(date |... (9 Replies)
Hello,
I'm using the awk command to insert empty columns on a tab delimited flatfile - which works fine -
=> But I'm not able to manage dynamicaly the filename of the awk output based on the source flatfile filename
I have 3 source flatfile:
flatfile_Jan-2016.csv
flatfile_Feb-2016.csv... (3 Replies)
Discussion started by: Tipiak
3 Replies
LEARN ABOUT REDHAT
clearerr_unlocked
UNLOCKED_STDIO(3) Linux Programmer's Manual UNLOCKED_STDIO(3)NAME
*_unlocked - non-locking stdio functions
SYNOPSIS
#include <stdio.h>
int getc_unlocked(FILE *stream);
int getchar_unlocked(void);
int putc_unlocked(int c, FILE *stream);
int putchar_unlocked(int c);
#define _BSD_SOURCE /* or _SVID_SOURCE or _GNU_SOURCE */
#include <stdio.h>
void clearerr_unlocked(FILE *stream);
int feof_unlocked(FILE *stream);
int ferror_unlocked(FILE *stream);
int fileno_unlocked(FILE *stream);
int fflush_unlocked(FILE *stream);
int fgetc_unlocked(FILE *stream);
int fputc_unlocked(int c, FILE *stream);
size_t fread_unlocked(void *ptr, size_t size, size_t n,
FILE *stream);
size_t fwrite_unlocked(const void *ptr, size_t size, size_t n,
FILE *stream);
#define _GNU_SOURCE
#include <stdio.h>
char *fgets_unlocked(char *s, int n, FILE *stream);
int fputs_unlocked(const char *s, FILE *stream);
#define _GNU_SOURCE
#include <wchar.h>
wint_t getwc_unlocked(FILE *stream);
wint_t getwchar_unlocked(void);
wint_t fgetwc_unlocked(FILE *stream);
wint_t fputwc_unlocked(wchar_t wc, FILE *stream);
wint_t putwc_unlocked(wchar_t wc, FILE *stream);
wint_t putwchar_unlocked(wchar_t wc);
wchar_t *fgetws_unlocked(wchar_t *ws, int n, FILE *stream);
int fputws_unlocked(const wchar_t *ws, FILE *stream);
DESCRIPTION
Each of these functions has the same behaviour as its counterpart without the `_unlocked' suffix, except that they do not use locking (they
do not set locks themselves, and do not test for the presence of locks set by others) and hence are thread-unsafe. See flockfile(3).
CONFORMING TO
The four functions getc_unlocked(), getchar_unlocked(), putc_unlocked(), putchar_unlocked() are in POSIX.1. The nonstandard *_unlocked()
variants occur on a few Unix systems, and are available in recent glibc. They should probably not be used.
SEE ALSO flockfile(3)
2001-10-18 UNLOCKED_STDIO(3)