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Full Discussion: Preserve leading white space
Top Forums Shell Programming and Scripting Preserve leading white space Post 302936617 by Corona688 on Thursday 26th of February 2015 05:26:23 PM
Old 02-26-2015
read interprets backslashes by default, a little-known and occasionally baffling behavior. read -r to avoid that.
Code:
IFS="" while read -r line
do
...
done

 

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STRLTRIM(3pub)						       C Programmer's Manual						    STRLTRIM(3pub)

NAME
strltrim - remove leading whitespace from string SYNOPSIS
#include <publib.h> char *strltrim(char *s); DESCRIPTION
strltrim removes all leading whitespace characters from the beginning of a string, by moving everything starting from the first non-white- space character to the beginning of the string. As whitespace is counted everything for which isspace(3) returns true. RETURN VALUE
strltrim returns its argument. EXAMPLE
To remove all indentation from all lines in a program, you might do the following: #include <publib.h> int main(void) { char line[512]; while (fgets(line, sizeof(line), stdio) != NULL) { strltrim(line); printf("%s", line); } return 0; } SEE ALSO
publib(3), strrtrim(3), strtrim(3), isspace(3) AUTHOR
Lars Wirzenius (lars.wirzenius@helsinki.fi) Publib C Programmer's Manual STRLTRIM(3pub)
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