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Top Forums Shell Programming and Scripting remove leading spaces from a line Post 302175722 by lijojoseph on Saturday 15th of March 2008 09:07:36 AM
Old 03-15-2008
Quote:
Originally Posted by Franklin52
Code:
awk '/^ /{print p $0; p=""; next}
p !~ /^ / && p {print p}
{p=$0}
END{if(!/^ /) {print}}
' file

Regards
Hello Franklin,
I tried with the above option it is giving syntax error for second line
error messages are
*******
awk: syntax error near line 1
awk: bailing out near line 1
*******
also i tried with awk '/^ /{print p$0;next}{p=$0}END{print}' but here it will not consider the lines without a leading space

pls help

Last edited by lijojoseph; 03-15-2008 at 10:12 AM..
 

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gencat(1)						      General Commands Manual							 gencat(1)

NAME
gencat - generate a formatted message catalog file SYNOPSIS
catfile msgfile ... DESCRIPTION
Message catalogs allow a program to process input and produce output according to local customs and languages. For details, see The command merges each message source msgfile into a formatted message catalog catfile that can be accessed by (see catgets(3C)). If cat- file does not exist, it is created. If catfile exists, its messages are included in the new catfile. If set and message numbers collide, the new message text in file replaces the old message text in catfile. A msgfile consists of message, directive, and comment lines (all without leading spaces or tabs) described below. Except as noted, fields are separated by one or more space or tab characters. If is specified as catalog file, standard output is used. If is specified for an instance of message file, standard input is used. A directive specifies the set s, of the messages that follow until the next or end-of-file appears. The set number s is an unsigned integer in the range 1 through Any string following the set number is treated as a comment. If a directive is not specified, messages are put in the default set Set numbers must be in ascending order within a msgfile but need not be contiguous. A directive deletes the message set identified by the set number s, from an existing message catalog. Any string following the set number is treated as a comment. m message_text A message line specifies a message number m, and associated message text. The message number m is an unsigned integer in the range 1 through The message_text is a C string, including spaces, tabs and (back- slash) escapes, but by default without surrounding quotes (see directive below). The message number m is separated from the message_text by a single space or tab character. The message_text begins with the first character following the separator and ends at new-line. Extra spaces or tabs (including any trailing spaces or tabs) are considered part of the message_text. The message_text of a message line is stored in catfile with message number m and set number s specified by the most recent directive. Message numbers must be in ascending order within a set, but need not be contiguous. Note that the space or tab separator distinguishes insertion of a null message from deletion of a message. If a message line has a number and separator but no text, the message number and an associated null message string are stored in catfile. If a message line has a number but neither separator nor text, the message number and its associated message text are deleted from catfile. If the option is specified, the length of message_text must be no more than - 1 bytes. If the option is not speci- fied, the length of message_text must be no more than bytes. See catgets(3C), for message length limits imposed by these routines. A directive specifies a quote character q, used to surround message_text and make leading and trailing space visible in a message line. Any string following the specified quote character q is treated as a comment. By default, or if a quote character q not is supplied, quoting of message_text is not recognized. A followed by a space or tab is treated as a comment and can appear anywhere in a file. A line consisting of zero or more spaces or tabs is treated as a comment line. and are defined in is defined in is defined in EXTERNAL INFLUENCES
Environment Variables provides a default value for the internationalization variables that are unset or null. If is unset or null, the default value of "C" (see lang(5)) is used. If any of the internationalization variables contains an invalid setting, will behave as if all internationalization variables are set to "C". See environ(5). if set to a non-empty string value, overrides the values of all of the other internationalization variables. determines the interpretation of text as single and/or multi-byte characters, the classification of characters as printable, and the char- acters matched by character class expressions in regular expressions. determines the locale that should be used to affect the format and contents of diagnostic messages written to standard error and informa- tive messages written to standard output. determines the location of message catalogs for the processing of International Code Set Support Single- and multi-byte character code sets are supported. WARNINGS
The directive is not currently supported on the HP MPE and RTE operating systems. AUTHOR
was developed by HP and the X/Open Company, Ltd. SEE ALSO
dumpmsg(1), findmsg(1), insertmsg(1), catgets(3C), catopen(3C). STANDARDS CONFORMANCE
gencat(1)
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