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| comp.unix.shell Using and programming the Unix shell. |
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LinkBack | Outils de la discussion |
01/11/2006, 20h09
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#1 |
Messages: n/a
Hébergeur: |
sed replace first five chars
Hi - I have a file that contains a series of fields that I need to
retain but into which I need to insert a new field. The new field has to be the first field and consist of 8 characters broken down as a five digit number (preferably starting as 00001) followed by 3 spaces. The number being inserted into the first field needs to be incremented on each subsequent line. Is this a simple one or trickier than it sounds??? example structure - fixed field lengths (12,12,11,12) 874647864 Alan 01/01/06 comment1 874667865 Harry 01/10/06 comment2 874697866 malcolm 10/01/06 comment3 required structure (8,12,12,11,12) 00001 874647864 Alan 01/01/06 comment1 00002 874667865 Harry 01/10/06 comment2 00003 874697866 malcolm 10/01/06 comment3 TIA |
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01/11/2006, 20h19
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#2 |
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Messages: n/a
Hébergeur: |
Re: sed replace first five chars
NoManKey wrote:
> Hi - I have a file that contains a series of fields that I need to > retain but into which I need to insert a new field. > > The new field has to be the first field and consist of 8 characters > broken down as a five digit number (preferably starting as 00001) > followed by 3 spaces. The number being inserted into the first field > needs to be incremented on each subsequent line. > > Is this a simple one or trickier than it sounds??? > > example structure - fixed field lengths (12,12,11,12) > 874647864 Alan 01/01/06 comment1 > 874667865 Harry 01/10/06 comment2 > 874697866 malcolm 10/01/06 comment3 > > required structure (8,12,12,11,12) > 00001 874647864 Alan 01/01/06 comment1 > 00002 874667865 Harry 01/10/06 comment2 > 00003 874697866 malcolm 10/01/06 comment3 > > TIA > awk '{printf "%05d %s\n", NR, $0}' Janis |
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01/11/2006, 20h20
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#3 |
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Messages: n/a
Hébergeur: |
Re: sed replace first five chars
NoManKey wrote:
> Hi - I have a file that contains a series of fields that I need to > retain but into which I need to insert a new field. > > The new field has to be the first field and consist of 8 characters > broken down as a five digit number (preferably starting as 00001) > followed by 3 spaces. The number being inserted into the first field > needs to be incremented on each subsequent line. > > Is this a simple one or trickier than it sounds??? > > example structure - fixed field lengths (12,12,11,12) > 874647864 Alan 01/01/06 comment1 > 874667865 Harry 01/10/06 comment2 > 874697866 malcolm 10/01/06 comment3 > > required structure (8,12,12,11,12) > 00001 874647864 Alan 01/01/06 comment1 > 00002 874667865 Harry 01/10/06 comment2 > 00003 874697866 malcolm 10/01/06 comment3 > $ cat file 874647864 Alan 01/01/06 comment1 874667865 Harry 01/10/06 comment2 874697866 malcolm 10/01/06 comment3 $ awk '{printf "%05d %s\n",NR,$0}' file 00001 874647864 Alan 01/01/06 comment1 00002 874667865 Harry 01/10/06 comment2 00003 874697866 malcolm 10/01/06 comment3 Regards, Ed. |
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01/11/2006, 20h25
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#4 |
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Messages: n/a
Hébergeur: |
Re: sed replace first five chars
NoManKey <nomadic.monkey@gmail.com> wrote:
> Hi - I have a file that contains a series of fields that I need to > retain but into which I need to insert a new field. > > The new field has to be the first field and consist of 8 characters > broken down as a five digit number (preferably starting as 00001) > followed by 3 spaces. The number being inserted into the first field > needs to be incremented on each subsequent line. > > Is this a simple one or trickier than it sounds??? awk '{ printf("%05d %s\n", NR, $0) }' /your/file -- Daniel |
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